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Upadacitinib earns FDA approval for ankylosing spondylitis
The Food and Drug Administration has approved upadacitinib (Rinvoq) as an oral treatment for active ankylosing spondylitis in adults, its manufacturer AbbVie announced April 29.
Upadacitinib, a selective and reversible Janus kinase inhibitor, is the second drug in its class to be FDA approved for ankylosing spondylitis, after tofacitinib (Xeljanz) in December.
Upadacitinib is now indicated for patients with active ankylosing spondylitis (AS) who have had an insufficient response or intolerance with one or more tumor necrosis factor (TNF) blockers. Upadacitinib is already approved by the FDA for adults with active psoriatic arthritis, moderately to severely active rheumatoid arthritis, and moderately to severely active ulcerative colitis who have had an insufficient response or intolerance with one or more TNF inhibitors. It also has been approved for adults and pediatric patients 12 years of age and older with refractory, moderate to severe atopic dermatitis.
The European Medicines Agency gave marketing approval for upadacitinib in adults with active AS in January 2021.
Two main clinical studies form the basis for the FDA’s approval decision. The phase 3 SELECT-AXIS 2 clinical trial involved patients with an inadequate response or intolerance to one or two biologic disease-modifying antirheumatic drugs (bDMARDs). A total of 44.5% patients with AS who were randomly assigned to upadacitinib 15 mg once daily met the primary endpoint of at least 40% improvement in Assessment in Spondyloarthritis International Society response criteria (ASAS 40) at 14 weeks, compared against 18.2% with placebo.
The second study, the phase 2/3 SELECT-AXIS 1 clinical trial, tested upadacitinib in patients who had never taken bDMARDs and had an inadequate response or intolerance to at least two NSAIDs. In this study, significantly more patients randomly assigned to 15 mg upadacitinib achieved ASAS 40 at 14 weeks, compared with placebo (51% vs. 26%).
Patients randomly assigned to upadacitinib also showed significant improvements in signs and symptoms of AS, as well as improvements in physical function and disease activity, compared with placebo, after 14 weeks. The safety profile for patients with AS treated with upadacitinib was similar to that seen in studies of patients with rheumatoid arthritis or psoriatic arthritis. Potential severe side effects include increased risk for death in patients aged 50 years and older with at least one cardiovascular risk factor; increased risk of serious infections, such as tuberculosis; and increased risk of certain cancers, according to the company statement.
Read the complete prescribing information here.
A version of this article first appeared on Medscape.com.
The Food and Drug Administration has approved upadacitinib (Rinvoq) as an oral treatment for active ankylosing spondylitis in adults, its manufacturer AbbVie announced April 29.
Upadacitinib, a selective and reversible Janus kinase inhibitor, is the second drug in its class to be FDA approved for ankylosing spondylitis, after tofacitinib (Xeljanz) in December.
Upadacitinib is now indicated for patients with active ankylosing spondylitis (AS) who have had an insufficient response or intolerance with one or more tumor necrosis factor (TNF) blockers. Upadacitinib is already approved by the FDA for adults with active psoriatic arthritis, moderately to severely active rheumatoid arthritis, and moderately to severely active ulcerative colitis who have had an insufficient response or intolerance with one or more TNF inhibitors. It also has been approved for adults and pediatric patients 12 years of age and older with refractory, moderate to severe atopic dermatitis.
The European Medicines Agency gave marketing approval for upadacitinib in adults with active AS in January 2021.
Two main clinical studies form the basis for the FDA’s approval decision. The phase 3 SELECT-AXIS 2 clinical trial involved patients with an inadequate response or intolerance to one or two biologic disease-modifying antirheumatic drugs (bDMARDs). A total of 44.5% patients with AS who were randomly assigned to upadacitinib 15 mg once daily met the primary endpoint of at least 40% improvement in Assessment in Spondyloarthritis International Society response criteria (ASAS 40) at 14 weeks, compared against 18.2% with placebo.
The second study, the phase 2/3 SELECT-AXIS 1 clinical trial, tested upadacitinib in patients who had never taken bDMARDs and had an inadequate response or intolerance to at least two NSAIDs. In this study, significantly more patients randomly assigned to 15 mg upadacitinib achieved ASAS 40 at 14 weeks, compared with placebo (51% vs. 26%).
Patients randomly assigned to upadacitinib also showed significant improvements in signs and symptoms of AS, as well as improvements in physical function and disease activity, compared with placebo, after 14 weeks. The safety profile for patients with AS treated with upadacitinib was similar to that seen in studies of patients with rheumatoid arthritis or psoriatic arthritis. Potential severe side effects include increased risk for death in patients aged 50 years and older with at least one cardiovascular risk factor; increased risk of serious infections, such as tuberculosis; and increased risk of certain cancers, according to the company statement.
Read the complete prescribing information here.
A version of this article first appeared on Medscape.com.
The Food and Drug Administration has approved upadacitinib (Rinvoq) as an oral treatment for active ankylosing spondylitis in adults, its manufacturer AbbVie announced April 29.
Upadacitinib, a selective and reversible Janus kinase inhibitor, is the second drug in its class to be FDA approved for ankylosing spondylitis, after tofacitinib (Xeljanz) in December.
Upadacitinib is now indicated for patients with active ankylosing spondylitis (AS) who have had an insufficient response or intolerance with one or more tumor necrosis factor (TNF) blockers. Upadacitinib is already approved by the FDA for adults with active psoriatic arthritis, moderately to severely active rheumatoid arthritis, and moderately to severely active ulcerative colitis who have had an insufficient response or intolerance with one or more TNF inhibitors. It also has been approved for adults and pediatric patients 12 years of age and older with refractory, moderate to severe atopic dermatitis.
The European Medicines Agency gave marketing approval for upadacitinib in adults with active AS in January 2021.
Two main clinical studies form the basis for the FDA’s approval decision. The phase 3 SELECT-AXIS 2 clinical trial involved patients with an inadequate response or intolerance to one or two biologic disease-modifying antirheumatic drugs (bDMARDs). A total of 44.5% patients with AS who were randomly assigned to upadacitinib 15 mg once daily met the primary endpoint of at least 40% improvement in Assessment in Spondyloarthritis International Society response criteria (ASAS 40) at 14 weeks, compared against 18.2% with placebo.
The second study, the phase 2/3 SELECT-AXIS 1 clinical trial, tested upadacitinib in patients who had never taken bDMARDs and had an inadequate response or intolerance to at least two NSAIDs. In this study, significantly more patients randomly assigned to 15 mg upadacitinib achieved ASAS 40 at 14 weeks, compared with placebo (51% vs. 26%).
Patients randomly assigned to upadacitinib also showed significant improvements in signs and symptoms of AS, as well as improvements in physical function and disease activity, compared with placebo, after 14 weeks. The safety profile for patients with AS treated with upadacitinib was similar to that seen in studies of patients with rheumatoid arthritis or psoriatic arthritis. Potential severe side effects include increased risk for death in patients aged 50 years and older with at least one cardiovascular risk factor; increased risk of serious infections, such as tuberculosis; and increased risk of certain cancers, according to the company statement.
Read the complete prescribing information here.
A version of this article first appeared on Medscape.com.
Sexually transmitted infections on a 30-year rise worldwide
The incidence of sexually transmitted infection (STI) as well as disability-adjusted life-years (DALYs) increased worldwide over 30 years, according to an observational trend study from China.
“Most countries had a decrease in age-standardized rates of incidence and DALY for STIs, whereas the absolute incident cases and DALYs increased from 1990 to 2019,” the authors write in The Lancet Infectious Diseases. “Therefore, STIs still represent a global public health challenge, especially in sub-Saharan Africa and Latin America, where more attention and health prevention services are warranted.”
“Our study also suggested an upward trend of age-standardized incidence rates among young populations, especially for syphilis, after 2010,” they add.
STIs are a major worldwide public health challenge
To assess global STI burden and trends, co–lead study author Yang Zheng, MD, of Zhejiang University School of Medicine in Hangzhou, China, and colleagues analyzed data from the Global Burden of Disease (GBD) study 2019.
They calculated incidence and DALYs of STIs in the general population at national, regional, and global levels over 30 years. They also calculated annual percentage changes in the age-standardized incidence rate and the age-standardized DALY rate of the five STIs included in the GBD study.
Of 204 countries in GBD 2019, 161 provided data on syphilis, 64 on gonorrhea, 94 on chlamydia, 56 on trichomonas, and 77 on genital herpes. The authors included 95% uncertainty intervals (UIs) and used Bayesian meta-regression to model the data.
- Overall, they found that the global age-standardized incidence rate of STIs trended downward, with an estimated annual percentage change of –0.04 (95% UI, –0.08 to 0.00) from 1990 to 2019, reaching 9,535.71 per 100,000 person-years (8,169.73-11,054.76) in 2019.
- The age-standardized DALY rate decreased with an estimated annual percentage change of –0.92 (–1.01 to –0.84) and reached 22.74 per 100,000 person-years (14.37-37.11) in 2019.
- Sub-Saharan Africa, one of the hotspots, had the highest age-standardized incidence rate (19,973.12 per 100,000 person-years, 17,382.69-23,001.57) and age-standardized DALY rate (389.32 per 100,000 person-years, 154.27-769.74).
- The highest incidence rate was among adolescents (18,377.82 per 100,000 person-years, 14,040.38-23,443.31), with stable total STI trends except for an increase in syphilis between 2010 (347.65 per 100,000 person-years, 203.58-590.69) and 2019 (423.16 per 100,000 person-years, 235.70-659.01).
- The age-standardized incidence rate was higher among males (10,471.63 per 100,000 person-years, 8,892.20-12,176.10) than females (8,602.40 per 100,000 person-years, 7,358.00-10,001.18), whereas the age-standardized DALY rate was higher among females (33.31 per 100,000 person-years, 21.05-55.25) than males (12.11 per 100,000 person-years, 7.63-18.93).
The authors deliver a call to action
“This paper is a call to action to focus on the STI pandemic with granular data on key target populations,” Yukari C. Manabe, MD, FIDSA, FRCP, who was not involved in the study, told this news organization. “If behavioral messaging and testing in adolescents is not improved, HIV incidence rates will be impacted, and the gains that have been made in this area will be threatened.”
“Although the number of countries from which data could be culled was limited, the change in incident cases is particularly striking, with most countries showing an increase and with African countries showing the largest rise,” said Dr. Manabe, professor of medicine, international health, and molecular microbiology and immunology at Johns Hopkins Medicine and director of the Johns Hopkins Center for Innovative Diagnostics for Infectious Diseases, Baltimore.
“The increase in syphilis incidence rates, particularly in younger people, including men who have sex with men, is also alarming,” she added in an email. “It is interesting to see the gender gap grow as more countries adopt antenatal syphilis screening.”
Ken S. Ho, MD, MPH, infectious diseases specialist and medical director of the Pitt Men’s Study at the University of Pittsburgh School of Medicine, Pennsylvania, called the study’s findings a wake-up call for clinicians to discuss sexual health and wellness with their patients, to increase STI screening, and to address STI stigma.
“Overall, STI rates in most countries have trended down, but paradoxically, the number of cases may be going up, because we have more younger, sexually actively people,” Dr. Ho said in an email.
“The study helps us understand the populations most impacted by STIs and allows us to design and create public health interventions that target the most impacted communities and demographic groups,” Dr. Ho, who also was not involved in the study, added. “It allows us to reflect on how we address disparities. For example, the greater burden of disease seen in women may be due to the fact that women may not be screened and are diagnosed later.”
Dr. Ho explained that the high STI rates in sub-Saharan Africa and Latin America are thought to be due to factors such as poverty and limited access to health care, known drivers of health care disparities.
The 2016 global incidence of common STIs was estimated to be up to 563.3 million, including 6.3 million cases of syphilis, 86.9 million cases of gonorrhea, 127.2 million cases of chlamydia, 156.0 million cases of trichomonas, and 186.9 million cases of genital herpes, the authors write.
The World Health Organization aims to end the STI epidemic by 2030, they note.
The study was funded by Mega-Project of National Science and Technology for the 13th Five-Year Plan of China and the National Natural Science Foundation of China. The authors, Dr. Manabe, and Dr. Ho have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
The incidence of sexually transmitted infection (STI) as well as disability-adjusted life-years (DALYs) increased worldwide over 30 years, according to an observational trend study from China.
“Most countries had a decrease in age-standardized rates of incidence and DALY for STIs, whereas the absolute incident cases and DALYs increased from 1990 to 2019,” the authors write in The Lancet Infectious Diseases. “Therefore, STIs still represent a global public health challenge, especially in sub-Saharan Africa and Latin America, where more attention and health prevention services are warranted.”
“Our study also suggested an upward trend of age-standardized incidence rates among young populations, especially for syphilis, after 2010,” they add.
STIs are a major worldwide public health challenge
To assess global STI burden and trends, co–lead study author Yang Zheng, MD, of Zhejiang University School of Medicine in Hangzhou, China, and colleagues analyzed data from the Global Burden of Disease (GBD) study 2019.
They calculated incidence and DALYs of STIs in the general population at national, regional, and global levels over 30 years. They also calculated annual percentage changes in the age-standardized incidence rate and the age-standardized DALY rate of the five STIs included in the GBD study.
Of 204 countries in GBD 2019, 161 provided data on syphilis, 64 on gonorrhea, 94 on chlamydia, 56 on trichomonas, and 77 on genital herpes. The authors included 95% uncertainty intervals (UIs) and used Bayesian meta-regression to model the data.
- Overall, they found that the global age-standardized incidence rate of STIs trended downward, with an estimated annual percentage change of –0.04 (95% UI, –0.08 to 0.00) from 1990 to 2019, reaching 9,535.71 per 100,000 person-years (8,169.73-11,054.76) in 2019.
- The age-standardized DALY rate decreased with an estimated annual percentage change of –0.92 (–1.01 to –0.84) and reached 22.74 per 100,000 person-years (14.37-37.11) in 2019.
- Sub-Saharan Africa, one of the hotspots, had the highest age-standardized incidence rate (19,973.12 per 100,000 person-years, 17,382.69-23,001.57) and age-standardized DALY rate (389.32 per 100,000 person-years, 154.27-769.74).
- The highest incidence rate was among adolescents (18,377.82 per 100,000 person-years, 14,040.38-23,443.31), with stable total STI trends except for an increase in syphilis between 2010 (347.65 per 100,000 person-years, 203.58-590.69) and 2019 (423.16 per 100,000 person-years, 235.70-659.01).
- The age-standardized incidence rate was higher among males (10,471.63 per 100,000 person-years, 8,892.20-12,176.10) than females (8,602.40 per 100,000 person-years, 7,358.00-10,001.18), whereas the age-standardized DALY rate was higher among females (33.31 per 100,000 person-years, 21.05-55.25) than males (12.11 per 100,000 person-years, 7.63-18.93).
The authors deliver a call to action
“This paper is a call to action to focus on the STI pandemic with granular data on key target populations,” Yukari C. Manabe, MD, FIDSA, FRCP, who was not involved in the study, told this news organization. “If behavioral messaging and testing in adolescents is not improved, HIV incidence rates will be impacted, and the gains that have been made in this area will be threatened.”
“Although the number of countries from which data could be culled was limited, the change in incident cases is particularly striking, with most countries showing an increase and with African countries showing the largest rise,” said Dr. Manabe, professor of medicine, international health, and molecular microbiology and immunology at Johns Hopkins Medicine and director of the Johns Hopkins Center for Innovative Diagnostics for Infectious Diseases, Baltimore.
“The increase in syphilis incidence rates, particularly in younger people, including men who have sex with men, is also alarming,” she added in an email. “It is interesting to see the gender gap grow as more countries adopt antenatal syphilis screening.”
Ken S. Ho, MD, MPH, infectious diseases specialist and medical director of the Pitt Men’s Study at the University of Pittsburgh School of Medicine, Pennsylvania, called the study’s findings a wake-up call for clinicians to discuss sexual health and wellness with their patients, to increase STI screening, and to address STI stigma.
“Overall, STI rates in most countries have trended down, but paradoxically, the number of cases may be going up, because we have more younger, sexually actively people,” Dr. Ho said in an email.
“The study helps us understand the populations most impacted by STIs and allows us to design and create public health interventions that target the most impacted communities and demographic groups,” Dr. Ho, who also was not involved in the study, added. “It allows us to reflect on how we address disparities. For example, the greater burden of disease seen in women may be due to the fact that women may not be screened and are diagnosed later.”
Dr. Ho explained that the high STI rates in sub-Saharan Africa and Latin America are thought to be due to factors such as poverty and limited access to health care, known drivers of health care disparities.
The 2016 global incidence of common STIs was estimated to be up to 563.3 million, including 6.3 million cases of syphilis, 86.9 million cases of gonorrhea, 127.2 million cases of chlamydia, 156.0 million cases of trichomonas, and 186.9 million cases of genital herpes, the authors write.
The World Health Organization aims to end the STI epidemic by 2030, they note.
The study was funded by Mega-Project of National Science and Technology for the 13th Five-Year Plan of China and the National Natural Science Foundation of China. The authors, Dr. Manabe, and Dr. Ho have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
The incidence of sexually transmitted infection (STI) as well as disability-adjusted life-years (DALYs) increased worldwide over 30 years, according to an observational trend study from China.
“Most countries had a decrease in age-standardized rates of incidence and DALY for STIs, whereas the absolute incident cases and DALYs increased from 1990 to 2019,” the authors write in The Lancet Infectious Diseases. “Therefore, STIs still represent a global public health challenge, especially in sub-Saharan Africa and Latin America, where more attention and health prevention services are warranted.”
“Our study also suggested an upward trend of age-standardized incidence rates among young populations, especially for syphilis, after 2010,” they add.
STIs are a major worldwide public health challenge
To assess global STI burden and trends, co–lead study author Yang Zheng, MD, of Zhejiang University School of Medicine in Hangzhou, China, and colleagues analyzed data from the Global Burden of Disease (GBD) study 2019.
They calculated incidence and DALYs of STIs in the general population at national, regional, and global levels over 30 years. They also calculated annual percentage changes in the age-standardized incidence rate and the age-standardized DALY rate of the five STIs included in the GBD study.
Of 204 countries in GBD 2019, 161 provided data on syphilis, 64 on gonorrhea, 94 on chlamydia, 56 on trichomonas, and 77 on genital herpes. The authors included 95% uncertainty intervals (UIs) and used Bayesian meta-regression to model the data.
- Overall, they found that the global age-standardized incidence rate of STIs trended downward, with an estimated annual percentage change of –0.04 (95% UI, –0.08 to 0.00) from 1990 to 2019, reaching 9,535.71 per 100,000 person-years (8,169.73-11,054.76) in 2019.
- The age-standardized DALY rate decreased with an estimated annual percentage change of –0.92 (–1.01 to –0.84) and reached 22.74 per 100,000 person-years (14.37-37.11) in 2019.
- Sub-Saharan Africa, one of the hotspots, had the highest age-standardized incidence rate (19,973.12 per 100,000 person-years, 17,382.69-23,001.57) and age-standardized DALY rate (389.32 per 100,000 person-years, 154.27-769.74).
- The highest incidence rate was among adolescents (18,377.82 per 100,000 person-years, 14,040.38-23,443.31), with stable total STI trends except for an increase in syphilis between 2010 (347.65 per 100,000 person-years, 203.58-590.69) and 2019 (423.16 per 100,000 person-years, 235.70-659.01).
- The age-standardized incidence rate was higher among males (10,471.63 per 100,000 person-years, 8,892.20-12,176.10) than females (8,602.40 per 100,000 person-years, 7,358.00-10,001.18), whereas the age-standardized DALY rate was higher among females (33.31 per 100,000 person-years, 21.05-55.25) than males (12.11 per 100,000 person-years, 7.63-18.93).
The authors deliver a call to action
“This paper is a call to action to focus on the STI pandemic with granular data on key target populations,” Yukari C. Manabe, MD, FIDSA, FRCP, who was not involved in the study, told this news organization. “If behavioral messaging and testing in adolescents is not improved, HIV incidence rates will be impacted, and the gains that have been made in this area will be threatened.”
“Although the number of countries from which data could be culled was limited, the change in incident cases is particularly striking, with most countries showing an increase and with African countries showing the largest rise,” said Dr. Manabe, professor of medicine, international health, and molecular microbiology and immunology at Johns Hopkins Medicine and director of the Johns Hopkins Center for Innovative Diagnostics for Infectious Diseases, Baltimore.
“The increase in syphilis incidence rates, particularly in younger people, including men who have sex with men, is also alarming,” she added in an email. “It is interesting to see the gender gap grow as more countries adopt antenatal syphilis screening.”
Ken S. Ho, MD, MPH, infectious diseases specialist and medical director of the Pitt Men’s Study at the University of Pittsburgh School of Medicine, Pennsylvania, called the study’s findings a wake-up call for clinicians to discuss sexual health and wellness with their patients, to increase STI screening, and to address STI stigma.
“Overall, STI rates in most countries have trended down, but paradoxically, the number of cases may be going up, because we have more younger, sexually actively people,” Dr. Ho said in an email.
“The study helps us understand the populations most impacted by STIs and allows us to design and create public health interventions that target the most impacted communities and demographic groups,” Dr. Ho, who also was not involved in the study, added. “It allows us to reflect on how we address disparities. For example, the greater burden of disease seen in women may be due to the fact that women may not be screened and are diagnosed later.”
Dr. Ho explained that the high STI rates in sub-Saharan Africa and Latin America are thought to be due to factors such as poverty and limited access to health care, known drivers of health care disparities.
The 2016 global incidence of common STIs was estimated to be up to 563.3 million, including 6.3 million cases of syphilis, 86.9 million cases of gonorrhea, 127.2 million cases of chlamydia, 156.0 million cases of trichomonas, and 186.9 million cases of genital herpes, the authors write.
The World Health Organization aims to end the STI epidemic by 2030, they note.
The study was funded by Mega-Project of National Science and Technology for the 13th Five-Year Plan of China and the National Natural Science Foundation of China. The authors, Dr. Manabe, and Dr. Ho have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
FROM THE LANCET INFECTIOUS DISEASES
Cases of hepatitis of unknown origin in children raise alarm
After several cases of acute hepatitis of unknown origin in children in the United Kingdom were reported, further cases have now been reported in France (two cases), Denmark, Ireland, the Netherlands, and Spain. More than 80 cases have been reported overall, raising fears of an epidemic, according to a press release from the European Centre for Disease Prevention and Control (ECDC).
Furthermore, nine cases have allegedly been reported since last autumn in Alabama in the United States. These cases have mainly been in children aged 1-6 years.
Investigations are ongoing in all these countries, particularly as the “exact causes of these cases of acute hepatitis remain unknown.” Nevertheless, the team working on these cases in the United Kingdom believes that, based on clinical and epidemiologic data, the cause is probably infectious in origin.
Coordinated by the ECDC, European medical societies such as the European Association for the Study of the Liver and the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) are working together to promote information sharing, according to the European agency.
Potential infectious agent
For context, on April 5, the United Kingdom reported about 10 cases of acute hepatitis of unknown origin in children younger than 10 in Scotland with no underlying conditions. Seven days later, the UK reported that 61 additional cases were under investigation in England, Wales, and Northern Ireland, the majority of which were in children aged 2-5 years.
The cases in the United Kingdom presented with severe acute hepatitis, with increased liver enzyme levels (aspartate aminotransferase [AST] and alanine aminotransferase [ALT] levels above 500 IU/L), and most presented with jaundice. Some reported gastrointestinal symptoms such as abdominal pain, diarrhea, and vomiting in the previous weeks.
The majority had no fever.
Although no deaths had been reported at press time, some cases needed to be seen by a liver specialist in the hospital, and others had to undergo transplantation (six transplants in Europe and two in the United States).
Initial hypotheses have focused on a potential infectious agent or exposure to a toxin. No link to COVID-19 vaccination has been established.
Which type of hepatitis?
The ECDC reports that laboratory tests have ruled out the possibility of attributing the cases to type A, B, C, D, and E viral hepatitis. Of the 13 cases in Scotland, 3 tested positive for SARS-CoV-2, 5 were negative, and 2 had contracted COVID-19 over the course of the last 3 months.
One positive test for adenovirus was found in 5 of the 13 Scottish cases, out of the 11 that were tested. All the cases reported in the United States tested positive for an adenovirus, five of which were for adenovirus type 41, which is responsible for inflammation of the bowel. Investigations are ongoing to assess any possible involvement of this virus in other cases. It should be noted that adenoviruses can cause hepatitis in children, but generally only in those who are immunosuppressed.
The pandemic could be another possible explanation, Nancy Reau, MD, head of the hepatology department at Rush University, Chicago, told this news organization. “The possibility that these cases are linked to COVID still exists,” she said. Some cases in the United Kingdom tested positive for COVID-19; none of these children had received the COVID-19 vaccine.
“COVID has been regularly seen to raise liver markers. It has also been shown to affect organs other than the lungs,” she stated. “It could be the case that, as it evolves, this virus has the potential to cause hepatitis in children.”
A version of this article first appeared on Medscape.com.
After several cases of acute hepatitis of unknown origin in children in the United Kingdom were reported, further cases have now been reported in France (two cases), Denmark, Ireland, the Netherlands, and Spain. More than 80 cases have been reported overall, raising fears of an epidemic, according to a press release from the European Centre for Disease Prevention and Control (ECDC).
Furthermore, nine cases have allegedly been reported since last autumn in Alabama in the United States. These cases have mainly been in children aged 1-6 years.
Investigations are ongoing in all these countries, particularly as the “exact causes of these cases of acute hepatitis remain unknown.” Nevertheless, the team working on these cases in the United Kingdom believes that, based on clinical and epidemiologic data, the cause is probably infectious in origin.
Coordinated by the ECDC, European medical societies such as the European Association for the Study of the Liver and the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) are working together to promote information sharing, according to the European agency.
Potential infectious agent
For context, on April 5, the United Kingdom reported about 10 cases of acute hepatitis of unknown origin in children younger than 10 in Scotland with no underlying conditions. Seven days later, the UK reported that 61 additional cases were under investigation in England, Wales, and Northern Ireland, the majority of which were in children aged 2-5 years.
The cases in the United Kingdom presented with severe acute hepatitis, with increased liver enzyme levels (aspartate aminotransferase [AST] and alanine aminotransferase [ALT] levels above 500 IU/L), and most presented with jaundice. Some reported gastrointestinal symptoms such as abdominal pain, diarrhea, and vomiting in the previous weeks.
The majority had no fever.
Although no deaths had been reported at press time, some cases needed to be seen by a liver specialist in the hospital, and others had to undergo transplantation (six transplants in Europe and two in the United States).
Initial hypotheses have focused on a potential infectious agent or exposure to a toxin. No link to COVID-19 vaccination has been established.
Which type of hepatitis?
The ECDC reports that laboratory tests have ruled out the possibility of attributing the cases to type A, B, C, D, and E viral hepatitis. Of the 13 cases in Scotland, 3 tested positive for SARS-CoV-2, 5 were negative, and 2 had contracted COVID-19 over the course of the last 3 months.
One positive test for adenovirus was found in 5 of the 13 Scottish cases, out of the 11 that were tested. All the cases reported in the United States tested positive for an adenovirus, five of which were for adenovirus type 41, which is responsible for inflammation of the bowel. Investigations are ongoing to assess any possible involvement of this virus in other cases. It should be noted that adenoviruses can cause hepatitis in children, but generally only in those who are immunosuppressed.
The pandemic could be another possible explanation, Nancy Reau, MD, head of the hepatology department at Rush University, Chicago, told this news organization. “The possibility that these cases are linked to COVID still exists,” she said. Some cases in the United Kingdom tested positive for COVID-19; none of these children had received the COVID-19 vaccine.
“COVID has been regularly seen to raise liver markers. It has also been shown to affect organs other than the lungs,” she stated. “It could be the case that, as it evolves, this virus has the potential to cause hepatitis in children.”
A version of this article first appeared on Medscape.com.
After several cases of acute hepatitis of unknown origin in children in the United Kingdom were reported, further cases have now been reported in France (two cases), Denmark, Ireland, the Netherlands, and Spain. More than 80 cases have been reported overall, raising fears of an epidemic, according to a press release from the European Centre for Disease Prevention and Control (ECDC).
Furthermore, nine cases have allegedly been reported since last autumn in Alabama in the United States. These cases have mainly been in children aged 1-6 years.
Investigations are ongoing in all these countries, particularly as the “exact causes of these cases of acute hepatitis remain unknown.” Nevertheless, the team working on these cases in the United Kingdom believes that, based on clinical and epidemiologic data, the cause is probably infectious in origin.
Coordinated by the ECDC, European medical societies such as the European Association for the Study of the Liver and the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) are working together to promote information sharing, according to the European agency.
Potential infectious agent
For context, on April 5, the United Kingdom reported about 10 cases of acute hepatitis of unknown origin in children younger than 10 in Scotland with no underlying conditions. Seven days later, the UK reported that 61 additional cases were under investigation in England, Wales, and Northern Ireland, the majority of which were in children aged 2-5 years.
The cases in the United Kingdom presented with severe acute hepatitis, with increased liver enzyme levels (aspartate aminotransferase [AST] and alanine aminotransferase [ALT] levels above 500 IU/L), and most presented with jaundice. Some reported gastrointestinal symptoms such as abdominal pain, diarrhea, and vomiting in the previous weeks.
The majority had no fever.
Although no deaths had been reported at press time, some cases needed to be seen by a liver specialist in the hospital, and others had to undergo transplantation (six transplants in Europe and two in the United States).
Initial hypotheses have focused on a potential infectious agent or exposure to a toxin. No link to COVID-19 vaccination has been established.
Which type of hepatitis?
The ECDC reports that laboratory tests have ruled out the possibility of attributing the cases to type A, B, C, D, and E viral hepatitis. Of the 13 cases in Scotland, 3 tested positive for SARS-CoV-2, 5 were negative, and 2 had contracted COVID-19 over the course of the last 3 months.
One positive test for adenovirus was found in 5 of the 13 Scottish cases, out of the 11 that were tested. All the cases reported in the United States tested positive for an adenovirus, five of which were for adenovirus type 41, which is responsible for inflammation of the bowel. Investigations are ongoing to assess any possible involvement of this virus in other cases. It should be noted that adenoviruses can cause hepatitis in children, but generally only in those who are immunosuppressed.
The pandemic could be another possible explanation, Nancy Reau, MD, head of the hepatology department at Rush University, Chicago, told this news organization. “The possibility that these cases are linked to COVID still exists,” she said. Some cases in the United Kingdom tested positive for COVID-19; none of these children had received the COVID-19 vaccine.
“COVID has been regularly seen to raise liver markers. It has also been shown to affect organs other than the lungs,” she stated. “It could be the case that, as it evolves, this virus has the potential to cause hepatitis in children.”
A version of this article first appeared on Medscape.com.
Rapid MRSA and S. aureus decolonization beneficial for emergency hip surgery
LISBON – Screening for Staphylococcus aureus, decolonization, and use of teicoplanin for surgical antimicrobial prophylaxis among patients with methicillin-resistant S. aureus (MRSA) lowered the number of prosthetic joint infections in elderly patients undergoing surgery for fracture of the femur.
The findings were presented in a poster at the 32nd European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) 2022, which was one of the few awarded the accolade of “top-rated poster.”
“We actually found that with our intervention, all prosthetic joint infections decreased, not just the Staphylococcus aureus but those due to MRSA, too,” Natividad Benito, MD, an infectious diseases specialist at Hospital de la Santa Creu i Sant Pau in Barcelona, said in an interview. “We’re pleased with these results because prosthetic joint infections present such a complicated situation for patients and surgeons. This is also a relatively easy intervention to use, and with time, even the PCR [polymerase chain reaction] technology will become cheaper. Now, in our hospital, prosthetic joint infections are rare.”
At Hospital de la Santa Creu i Sant Pau, around 200 hip hemiarthroplasties are performed per year. Preceding the intervention, the hospital recorded 11 prosthetic joint infections, with up to five infections due to S. aureus and up to four due to MRSA.
The intervention was introduced in 2016. After 2 years, there were no cases of prosthetic joint infections due to S. aureus; in 2018 there, was one case of prosthetic joint infection due to MRSA. In 2019, there was one case of prosthetic joint infection, but it was due neither to S. aureus nor MRSA. In 2020 and 2021, there was one infection each year that was due to MRSA.
Jesús Rodríguez Baño, MD, head of the infectious diseases division, Hospital Universitario Virgen Macarena at the University of Seville, Spain, who was not involved in the study, explained that for patients with hip fracture, “the time frame in which colonization can be studied is too short using traditional methods. Prosthetic joint infections in this population have a devastating effect, with not negligible mortality and very important morbidity and health care costs.”
Referring to the significant reduction in the rate of S. aureus prosthetic joint infections in the postintervention period, Dr. Rodríguez Baño said in an interview, “The results are sound, and the important reduction in infection risk invites for the development of a multicenter, randomized trial to confirm these interesting results.
“The authors are commended for measuring the impact of applying a well-justified preventive protocol,” Dr. Rodríguez Baño added. However, the study has some limitations: “It was performed in one center, it was not randomized, and control for potential confounders is needed.”
Decolonization in an emergency femur fracture
This study addressed a particular need in residents of Spain’s long-term care facilities. In 2016, the prevalence of MRSA was high.
Roughly one-third of the general population carry S. aureus in their noses. In care homes, the rate of MRSA is higher than in the general population, at around 30% of those with S. aureus. In Spain, recommendations for patients undergoing elective total joint arthroplasty advise S. aureus decolonization – which can take 5 days – to prevent surgical site infections.
“The problem with the elderly population is not only have they a higher incidence of MRSA but that the surgical prophylaxis is inadequate for MRSA,” Dr. Benito pointed out.
Many patients in long-term care facilities are elderly and frail and are at greater risk of fracture. Unlike elective hip surgery, in which patients are asked to undergo decolonization over the 5 days prior to their operation, with emergent femur fractures, there is insufficient time for such preparation. “These patients with femur fractures need surgery as soon as possible,” said Dr. Benito.
No studies have been conducted to determine the best way to minimize infection risk from S. aureus and MRSA for patients undergoing emergency hip hemiarthroplasty surgery to treat femoral fractures.
In the current study, Dr. Benito and coauthors assessed whether a bundle of measures – including rapid detection of S. aureus nasal carriage by PCR upon arrival in the emergency setting, followed by decolonization of carriers using a topical treatment in the nose and a prescription of surgical antimicrobial prophylaxis (adapted antibiotic prophylaxis for MRSA) – reduces the incidence of prosthetic joint infections after surgery.
The quasi-experimental single-center study included patients admitted to the emergency department at Hospital de la Santa Creu i Sant Pau. The PCR was rapid, with a turnaround of just 1.5 hours. Decolonization of S. aureus carriers was carried out using nasal mupirocin and chlorhexidine gluconate bathing, which was started immediately. It was used for a 5 days and was usually continued throughout and after surgery.
Patients carrying MRSA received teicoplanin as optimal surgical antimicrobial prophylaxis instead of cefazolin. The intervention did not interfere with the timing of surgery. The study’s principal outcomes were overall incidence of prosthetic joint infections and the incidence of those specifically caused by S. aureus and MRSA.
The researchers compared findings regarding these outcomes over 5 consecutive years of the intervention to outcomes during 4 consecutive years prior to the intervention, which started in 2016.
During 2016-2020, from 22% to 31% of the overall number of patients requiring hip hemiarthroplasty were referred from long-term care facilities. From 25% to 29% of these patients tested positive for S. aureus on PCR, and of these, 33%-64% had MRSA.
There were 772 surgical procedures from 2012 to 2015 and 786 from 2017 to 2020.
Prior to the intervention, over the years 2012-2014, S. aureus caused 36%-50% of prosthetic joint infections; 25%-100% of the S. aureus infections were MRSA. This decreased significantly after the intervention.
During 2016-2020, there was an average of 14 prosthetic joint infections (1.5%), compared to 36 (4.7%) in 2012-2015 (P < .001). Similarly, the incidence of prosthetic joint infections due to S. aureus dropped to 0.3% from 1.8% (P < .002). The incidence of MRSA prosthetic joint infections was 0.3% for 2016-2020, versus 1.2% for 2012-2015 (P = .012).
The years 2018, 2020, and 2021 each saw one case of infection due to MRSA. They were most likely due to “the intervention not being performed properly in all cases,” said Dr. Benito.
A prosthetic joint infection is very serious for the patient. “It means reoperating, because antibiotics are not enough to clear the infection. The biofilm and pus of the infection need to be cleaned out, a new prosthesis is needed, after which more antibiotics are needed for around 2 months, which can be hard to tolerate, and even then, the infection might not be eradicated,” explained Dr. Benito. “Many of these people are old and frail, and mortality can be significant. Getting a prosthetic joint infection is catastrophic for these patients.”
Dr. Benito and Dr. Rodríguez-Baño have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
LISBON – Screening for Staphylococcus aureus, decolonization, and use of teicoplanin for surgical antimicrobial prophylaxis among patients with methicillin-resistant S. aureus (MRSA) lowered the number of prosthetic joint infections in elderly patients undergoing surgery for fracture of the femur.
The findings were presented in a poster at the 32nd European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) 2022, which was one of the few awarded the accolade of “top-rated poster.”
“We actually found that with our intervention, all prosthetic joint infections decreased, not just the Staphylococcus aureus but those due to MRSA, too,” Natividad Benito, MD, an infectious diseases specialist at Hospital de la Santa Creu i Sant Pau in Barcelona, said in an interview. “We’re pleased with these results because prosthetic joint infections present such a complicated situation for patients and surgeons. This is also a relatively easy intervention to use, and with time, even the PCR [polymerase chain reaction] technology will become cheaper. Now, in our hospital, prosthetic joint infections are rare.”
At Hospital de la Santa Creu i Sant Pau, around 200 hip hemiarthroplasties are performed per year. Preceding the intervention, the hospital recorded 11 prosthetic joint infections, with up to five infections due to S. aureus and up to four due to MRSA.
The intervention was introduced in 2016. After 2 years, there were no cases of prosthetic joint infections due to S. aureus; in 2018 there, was one case of prosthetic joint infection due to MRSA. In 2019, there was one case of prosthetic joint infection, but it was due neither to S. aureus nor MRSA. In 2020 and 2021, there was one infection each year that was due to MRSA.
Jesús Rodríguez Baño, MD, head of the infectious diseases division, Hospital Universitario Virgen Macarena at the University of Seville, Spain, who was not involved in the study, explained that for patients with hip fracture, “the time frame in which colonization can be studied is too short using traditional methods. Prosthetic joint infections in this population have a devastating effect, with not negligible mortality and very important morbidity and health care costs.”
Referring to the significant reduction in the rate of S. aureus prosthetic joint infections in the postintervention period, Dr. Rodríguez Baño said in an interview, “The results are sound, and the important reduction in infection risk invites for the development of a multicenter, randomized trial to confirm these interesting results.
“The authors are commended for measuring the impact of applying a well-justified preventive protocol,” Dr. Rodríguez Baño added. However, the study has some limitations: “It was performed in one center, it was not randomized, and control for potential confounders is needed.”
Decolonization in an emergency femur fracture
This study addressed a particular need in residents of Spain’s long-term care facilities. In 2016, the prevalence of MRSA was high.
Roughly one-third of the general population carry S. aureus in their noses. In care homes, the rate of MRSA is higher than in the general population, at around 30% of those with S. aureus. In Spain, recommendations for patients undergoing elective total joint arthroplasty advise S. aureus decolonization – which can take 5 days – to prevent surgical site infections.
“The problem with the elderly population is not only have they a higher incidence of MRSA but that the surgical prophylaxis is inadequate for MRSA,” Dr. Benito pointed out.
Many patients in long-term care facilities are elderly and frail and are at greater risk of fracture. Unlike elective hip surgery, in which patients are asked to undergo decolonization over the 5 days prior to their operation, with emergent femur fractures, there is insufficient time for such preparation. “These patients with femur fractures need surgery as soon as possible,” said Dr. Benito.
No studies have been conducted to determine the best way to minimize infection risk from S. aureus and MRSA for patients undergoing emergency hip hemiarthroplasty surgery to treat femoral fractures.
In the current study, Dr. Benito and coauthors assessed whether a bundle of measures – including rapid detection of S. aureus nasal carriage by PCR upon arrival in the emergency setting, followed by decolonization of carriers using a topical treatment in the nose and a prescription of surgical antimicrobial prophylaxis (adapted antibiotic prophylaxis for MRSA) – reduces the incidence of prosthetic joint infections after surgery.
The quasi-experimental single-center study included patients admitted to the emergency department at Hospital de la Santa Creu i Sant Pau. The PCR was rapid, with a turnaround of just 1.5 hours. Decolonization of S. aureus carriers was carried out using nasal mupirocin and chlorhexidine gluconate bathing, which was started immediately. It was used for a 5 days and was usually continued throughout and after surgery.
Patients carrying MRSA received teicoplanin as optimal surgical antimicrobial prophylaxis instead of cefazolin. The intervention did not interfere with the timing of surgery. The study’s principal outcomes were overall incidence of prosthetic joint infections and the incidence of those specifically caused by S. aureus and MRSA.
The researchers compared findings regarding these outcomes over 5 consecutive years of the intervention to outcomes during 4 consecutive years prior to the intervention, which started in 2016.
During 2016-2020, from 22% to 31% of the overall number of patients requiring hip hemiarthroplasty were referred from long-term care facilities. From 25% to 29% of these patients tested positive for S. aureus on PCR, and of these, 33%-64% had MRSA.
There were 772 surgical procedures from 2012 to 2015 and 786 from 2017 to 2020.
Prior to the intervention, over the years 2012-2014, S. aureus caused 36%-50% of prosthetic joint infections; 25%-100% of the S. aureus infections were MRSA. This decreased significantly after the intervention.
During 2016-2020, there was an average of 14 prosthetic joint infections (1.5%), compared to 36 (4.7%) in 2012-2015 (P < .001). Similarly, the incidence of prosthetic joint infections due to S. aureus dropped to 0.3% from 1.8% (P < .002). The incidence of MRSA prosthetic joint infections was 0.3% for 2016-2020, versus 1.2% for 2012-2015 (P = .012).
The years 2018, 2020, and 2021 each saw one case of infection due to MRSA. They were most likely due to “the intervention not being performed properly in all cases,” said Dr. Benito.
A prosthetic joint infection is very serious for the patient. “It means reoperating, because antibiotics are not enough to clear the infection. The biofilm and pus of the infection need to be cleaned out, a new prosthesis is needed, after which more antibiotics are needed for around 2 months, which can be hard to tolerate, and even then, the infection might not be eradicated,” explained Dr. Benito. “Many of these people are old and frail, and mortality can be significant. Getting a prosthetic joint infection is catastrophic for these patients.”
Dr. Benito and Dr. Rodríguez-Baño have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
LISBON – Screening for Staphylococcus aureus, decolonization, and use of teicoplanin for surgical antimicrobial prophylaxis among patients with methicillin-resistant S. aureus (MRSA) lowered the number of prosthetic joint infections in elderly patients undergoing surgery for fracture of the femur.
The findings were presented in a poster at the 32nd European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) 2022, which was one of the few awarded the accolade of “top-rated poster.”
“We actually found that with our intervention, all prosthetic joint infections decreased, not just the Staphylococcus aureus but those due to MRSA, too,” Natividad Benito, MD, an infectious diseases specialist at Hospital de la Santa Creu i Sant Pau in Barcelona, said in an interview. “We’re pleased with these results because prosthetic joint infections present such a complicated situation for patients and surgeons. This is also a relatively easy intervention to use, and with time, even the PCR [polymerase chain reaction] technology will become cheaper. Now, in our hospital, prosthetic joint infections are rare.”
At Hospital de la Santa Creu i Sant Pau, around 200 hip hemiarthroplasties are performed per year. Preceding the intervention, the hospital recorded 11 prosthetic joint infections, with up to five infections due to S. aureus and up to four due to MRSA.
The intervention was introduced in 2016. After 2 years, there were no cases of prosthetic joint infections due to S. aureus; in 2018 there, was one case of prosthetic joint infection due to MRSA. In 2019, there was one case of prosthetic joint infection, but it was due neither to S. aureus nor MRSA. In 2020 and 2021, there was one infection each year that was due to MRSA.
Jesús Rodríguez Baño, MD, head of the infectious diseases division, Hospital Universitario Virgen Macarena at the University of Seville, Spain, who was not involved in the study, explained that for patients with hip fracture, “the time frame in which colonization can be studied is too short using traditional methods. Prosthetic joint infections in this population have a devastating effect, with not negligible mortality and very important morbidity and health care costs.”
Referring to the significant reduction in the rate of S. aureus prosthetic joint infections in the postintervention period, Dr. Rodríguez Baño said in an interview, “The results are sound, and the important reduction in infection risk invites for the development of a multicenter, randomized trial to confirm these interesting results.
“The authors are commended for measuring the impact of applying a well-justified preventive protocol,” Dr. Rodríguez Baño added. However, the study has some limitations: “It was performed in one center, it was not randomized, and control for potential confounders is needed.”
Decolonization in an emergency femur fracture
This study addressed a particular need in residents of Spain’s long-term care facilities. In 2016, the prevalence of MRSA was high.
Roughly one-third of the general population carry S. aureus in their noses. In care homes, the rate of MRSA is higher than in the general population, at around 30% of those with S. aureus. In Spain, recommendations for patients undergoing elective total joint arthroplasty advise S. aureus decolonization – which can take 5 days – to prevent surgical site infections.
“The problem with the elderly population is not only have they a higher incidence of MRSA but that the surgical prophylaxis is inadequate for MRSA,” Dr. Benito pointed out.
Many patients in long-term care facilities are elderly and frail and are at greater risk of fracture. Unlike elective hip surgery, in which patients are asked to undergo decolonization over the 5 days prior to their operation, with emergent femur fractures, there is insufficient time for such preparation. “These patients with femur fractures need surgery as soon as possible,” said Dr. Benito.
No studies have been conducted to determine the best way to minimize infection risk from S. aureus and MRSA for patients undergoing emergency hip hemiarthroplasty surgery to treat femoral fractures.
In the current study, Dr. Benito and coauthors assessed whether a bundle of measures – including rapid detection of S. aureus nasal carriage by PCR upon arrival in the emergency setting, followed by decolonization of carriers using a topical treatment in the nose and a prescription of surgical antimicrobial prophylaxis (adapted antibiotic prophylaxis for MRSA) – reduces the incidence of prosthetic joint infections after surgery.
The quasi-experimental single-center study included patients admitted to the emergency department at Hospital de la Santa Creu i Sant Pau. The PCR was rapid, with a turnaround of just 1.5 hours. Decolonization of S. aureus carriers was carried out using nasal mupirocin and chlorhexidine gluconate bathing, which was started immediately. It was used for a 5 days and was usually continued throughout and after surgery.
Patients carrying MRSA received teicoplanin as optimal surgical antimicrobial prophylaxis instead of cefazolin. The intervention did not interfere with the timing of surgery. The study’s principal outcomes were overall incidence of prosthetic joint infections and the incidence of those specifically caused by S. aureus and MRSA.
The researchers compared findings regarding these outcomes over 5 consecutive years of the intervention to outcomes during 4 consecutive years prior to the intervention, which started in 2016.
During 2016-2020, from 22% to 31% of the overall number of patients requiring hip hemiarthroplasty were referred from long-term care facilities. From 25% to 29% of these patients tested positive for S. aureus on PCR, and of these, 33%-64% had MRSA.
There were 772 surgical procedures from 2012 to 2015 and 786 from 2017 to 2020.
Prior to the intervention, over the years 2012-2014, S. aureus caused 36%-50% of prosthetic joint infections; 25%-100% of the S. aureus infections were MRSA. This decreased significantly after the intervention.
During 2016-2020, there was an average of 14 prosthetic joint infections (1.5%), compared to 36 (4.7%) in 2012-2015 (P < .001). Similarly, the incidence of prosthetic joint infections due to S. aureus dropped to 0.3% from 1.8% (P < .002). The incidence of MRSA prosthetic joint infections was 0.3% for 2016-2020, versus 1.2% for 2012-2015 (P = .012).
The years 2018, 2020, and 2021 each saw one case of infection due to MRSA. They were most likely due to “the intervention not being performed properly in all cases,” said Dr. Benito.
A prosthetic joint infection is very serious for the patient. “It means reoperating, because antibiotics are not enough to clear the infection. The biofilm and pus of the infection need to be cleaned out, a new prosthesis is needed, after which more antibiotics are needed for around 2 months, which can be hard to tolerate, and even then, the infection might not be eradicated,” explained Dr. Benito. “Many of these people are old and frail, and mortality can be significant. Getting a prosthetic joint infection is catastrophic for these patients.”
Dr. Benito and Dr. Rodríguez-Baño have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
AT ECCMID 2022
Parents’ autoimmune diseases may affect children’s development
Results of a meta-analysis carried out by a French team indicate that there is a link between a father’s or mother’s autoimmune disease and their children’s risk of developing certain neurodevelopmental disorders (autism spectrum disorder [ASD] and attention-deficit/hyperactivity disorder). This meta-analysis is the first to separately explore the link between a father’s or mother’s autoimmune disease and the onset of neurodevelopmental disorders in their children.
According to its authors, these associations may result from exposure to environmental factors that contribute to autoimmune disorders, such as exposure to pollutants or cigarette smoke, and/or genetic predisposition, including genes relating to cytokines or to the HLA system.
Research is needed to determine the pathophysiologic links between these associations. This study suggests that there could be a shared mechanism between both parents, even though the maternal route seems to constitute an additional excess risk.
Why is this important?
Neurodevelopmental disorders are said to occur because of a close interrelationship between a person’s genes and environment. Immune-mediated adverse reactions may play an important role in triggering such disorders, as has been shown in associated epidemiologic studies and in animal studies. Autoimmune and autoinflammatory disorders are effectively characterized by the activation of the immune system, the circulation of autoantibodies, and the secretion of cytokines that are harmful to certain tissues.
Some relevant studies suggest a link between autoimmune disorders in the family or in the mother and the onset of neurodevelopmental disorders in their children. However, none of the studies have distinguished the influence of each of the parents so as to provide data that can be used to assess whether this association is more likely to be direct, and thus established during pregnancy, or rather genetic or environmental.
Main findings
Overall, the meta-analysis involved 14 studies that included 845,411 mothers and 601,148 fathers with an autoimmune disease, 4,984,965 control mothers and 4,992,854 control fathers. There were 182,927 children with neurodevelopmental disorders and 14,168,474 with no such diagnosis.
Globally, autoimmune diseases in mothers (adjusted odds ratio, 1.27 [1.03-1.57]; P = .02; I2 = 65%) and in fathers (AOR, 1.18 [1.07-1.30]; P = .01; I2 = 15.5%) are associated with a diagnosis of ASD in children. Similarly, they are associated with an increased risk of ADHD in children (AOR, 1.31 [1.11-1.55]; P = .001; I2 = 93% and AOR, 1.14 [1.10-1.17]; P < .0001; I2 = 0%, respectively, for mothers and fathers).
In mothers, type 1 diabetes (AOR, 1.60 [1.18-2.18]; P = .002; I2 = 0%), psoriasis (AOR, 1.45 [1.14-1.85]; P = .002; I2 = 0%), and rheumatoid arthritis (AOR, 1.38 [1.14-1.68]; P = .001; I2 = 0.8%) were associated with a risk of ASD in children. These three conditions also predisposed children to the risk of ADHD (AOR, 1.36 [1.24-1.52]; 1.41 [1.29-1.54]; and 1.32 [1.25-1.40], respectively, all P < .0001).
In fathers, type 1 diabetes considered in isolation was associated with a risk of ASD and ADHD in children (AOR, 1.42 [1.10-1.83] and 1.19 [1.08-1.31], respectively), while psoriasis (AOR, 1.18 [1.12-1.24]; P < .0001) is associated with a risk of ADHD in children.
A version of this article first appeared on Medscape.com.
Results of a meta-analysis carried out by a French team indicate that there is a link between a father’s or mother’s autoimmune disease and their children’s risk of developing certain neurodevelopmental disorders (autism spectrum disorder [ASD] and attention-deficit/hyperactivity disorder). This meta-analysis is the first to separately explore the link between a father’s or mother’s autoimmune disease and the onset of neurodevelopmental disorders in their children.
According to its authors, these associations may result from exposure to environmental factors that contribute to autoimmune disorders, such as exposure to pollutants or cigarette smoke, and/or genetic predisposition, including genes relating to cytokines or to the HLA system.
Research is needed to determine the pathophysiologic links between these associations. This study suggests that there could be a shared mechanism between both parents, even though the maternal route seems to constitute an additional excess risk.
Why is this important?
Neurodevelopmental disorders are said to occur because of a close interrelationship between a person’s genes and environment. Immune-mediated adverse reactions may play an important role in triggering such disorders, as has been shown in associated epidemiologic studies and in animal studies. Autoimmune and autoinflammatory disorders are effectively characterized by the activation of the immune system, the circulation of autoantibodies, and the secretion of cytokines that are harmful to certain tissues.
Some relevant studies suggest a link between autoimmune disorders in the family or in the mother and the onset of neurodevelopmental disorders in their children. However, none of the studies have distinguished the influence of each of the parents so as to provide data that can be used to assess whether this association is more likely to be direct, and thus established during pregnancy, or rather genetic or environmental.
Main findings
Overall, the meta-analysis involved 14 studies that included 845,411 mothers and 601,148 fathers with an autoimmune disease, 4,984,965 control mothers and 4,992,854 control fathers. There were 182,927 children with neurodevelopmental disorders and 14,168,474 with no such diagnosis.
Globally, autoimmune diseases in mothers (adjusted odds ratio, 1.27 [1.03-1.57]; P = .02; I2 = 65%) and in fathers (AOR, 1.18 [1.07-1.30]; P = .01; I2 = 15.5%) are associated with a diagnosis of ASD in children. Similarly, they are associated with an increased risk of ADHD in children (AOR, 1.31 [1.11-1.55]; P = .001; I2 = 93% and AOR, 1.14 [1.10-1.17]; P < .0001; I2 = 0%, respectively, for mothers and fathers).
In mothers, type 1 diabetes (AOR, 1.60 [1.18-2.18]; P = .002; I2 = 0%), psoriasis (AOR, 1.45 [1.14-1.85]; P = .002; I2 = 0%), and rheumatoid arthritis (AOR, 1.38 [1.14-1.68]; P = .001; I2 = 0.8%) were associated with a risk of ASD in children. These three conditions also predisposed children to the risk of ADHD (AOR, 1.36 [1.24-1.52]; 1.41 [1.29-1.54]; and 1.32 [1.25-1.40], respectively, all P < .0001).
In fathers, type 1 diabetes considered in isolation was associated with a risk of ASD and ADHD in children (AOR, 1.42 [1.10-1.83] and 1.19 [1.08-1.31], respectively), while psoriasis (AOR, 1.18 [1.12-1.24]; P < .0001) is associated with a risk of ADHD in children.
A version of this article first appeared on Medscape.com.
Results of a meta-analysis carried out by a French team indicate that there is a link between a father’s or mother’s autoimmune disease and their children’s risk of developing certain neurodevelopmental disorders (autism spectrum disorder [ASD] and attention-deficit/hyperactivity disorder). This meta-analysis is the first to separately explore the link between a father’s or mother’s autoimmune disease and the onset of neurodevelopmental disorders in their children.
According to its authors, these associations may result from exposure to environmental factors that contribute to autoimmune disorders, such as exposure to pollutants or cigarette smoke, and/or genetic predisposition, including genes relating to cytokines or to the HLA system.
Research is needed to determine the pathophysiologic links between these associations. This study suggests that there could be a shared mechanism between both parents, even though the maternal route seems to constitute an additional excess risk.
Why is this important?
Neurodevelopmental disorders are said to occur because of a close interrelationship between a person’s genes and environment. Immune-mediated adverse reactions may play an important role in triggering such disorders, as has been shown in associated epidemiologic studies and in animal studies. Autoimmune and autoinflammatory disorders are effectively characterized by the activation of the immune system, the circulation of autoantibodies, and the secretion of cytokines that are harmful to certain tissues.
Some relevant studies suggest a link between autoimmune disorders in the family or in the mother and the onset of neurodevelopmental disorders in their children. However, none of the studies have distinguished the influence of each of the parents so as to provide data that can be used to assess whether this association is more likely to be direct, and thus established during pregnancy, or rather genetic or environmental.
Main findings
Overall, the meta-analysis involved 14 studies that included 845,411 mothers and 601,148 fathers with an autoimmune disease, 4,984,965 control mothers and 4,992,854 control fathers. There were 182,927 children with neurodevelopmental disorders and 14,168,474 with no such diagnosis.
Globally, autoimmune diseases in mothers (adjusted odds ratio, 1.27 [1.03-1.57]; P = .02; I2 = 65%) and in fathers (AOR, 1.18 [1.07-1.30]; P = .01; I2 = 15.5%) are associated with a diagnosis of ASD in children. Similarly, they are associated with an increased risk of ADHD in children (AOR, 1.31 [1.11-1.55]; P = .001; I2 = 93% and AOR, 1.14 [1.10-1.17]; P < .0001; I2 = 0%, respectively, for mothers and fathers).
In mothers, type 1 diabetes (AOR, 1.60 [1.18-2.18]; P = .002; I2 = 0%), psoriasis (AOR, 1.45 [1.14-1.85]; P = .002; I2 = 0%), and rheumatoid arthritis (AOR, 1.38 [1.14-1.68]; P = .001; I2 = 0.8%) were associated with a risk of ASD in children. These three conditions also predisposed children to the risk of ADHD (AOR, 1.36 [1.24-1.52]; 1.41 [1.29-1.54]; and 1.32 [1.25-1.40], respectively, all P < .0001).
In fathers, type 1 diabetes considered in isolation was associated with a risk of ASD and ADHD in children (AOR, 1.42 [1.10-1.83] and 1.19 [1.08-1.31], respectively), while psoriasis (AOR, 1.18 [1.12-1.24]; P < .0001) is associated with a risk of ADHD in children.
A version of this article first appeared on Medscape.com.
FROM TRANSLATIONAL PSYCHIATRY
Antibiotic prescriptions to Black and Hispanic/Latinx patients in the U.S. are often inappropriate
LISBON – Two-thirds of antibiotic prescriptions written for Black patients and more than half of antibiotic prescriptions for Hispanic/Latinx patients are inappropriate, according to data from a study of antibiotic prescribing habits in U.S. doctors’ offices, hospital clinics, and emergency departments.
Eric Young, PharmD, PhD, from the University of Texas at Austin, and UT Health, San Antonio, presented his work as a poster at the 32nd European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) 2022.
“We were really surprised mainly by the racial findings, because Black patients have the highest overall and the highest inappropriate prescribing of antibiotics,” he told this news organization. “There was also a difference seen for age [across all ethnicities].”
Pediatric patients were found to have high overall prescribing but, notably, the lowest inappropriate prescribing among all the patient groups, reported Dr. Young. “This is interesting because oftentimes we think the more antibiotics are prescribed, then surely the greater the inappropriate prescribing would be too, but pediatricians actually have one of the lowest rates of inappropriate antibiotic prescribing. They do a great job.”
The study included more than 7 billion patient visits, 11.3% of which involved an antibiotic prescription.
The rate of antibiotic prescribing was 122 per 1,000 visits in Black patients and 139 per 1,000 visits in Hispanic patients, while in White patients, the rate was 109 per 1,000 visits. The rate was 114 per 1,000 visits in patients younger than 18 years and 170 per 1,000 visits in females.
Dr. Young found that almost 64% of antibiotic prescriptions written for Black patients and 58% for Hispanic patients were inappropriate. For White patients, the rate of inappropriate antibiotic prescribing was 56%. Similarly, 74% of prescriptions dispensed to patients aged 65 years and older and 58% to males were deemed inappropriate.
Kajal Bhakta, PharmD, BCACP, ambulatory care clinical pharmacist, University Health System, UT Health Science Center San Antonio, who was not involved in the study, pointed out that antibiotics are frequently prescribed without confirmation of an infection, owing to the fact that the verification process may delay care, especially in the outpatient setting.
Dr. Bhakta said that overprescribing in the elderly population and in certain ethnic groups was “likely due to socioeconomic and cultural factors. These prescribing methods may lead to unnecessary drug side effects and/or antimicrobial resistance.”
Regarding the patient-doctor consultation process, she pointed out that “older patients may have trouble describing their symptoms, and when those symptoms remain unresolved, providers may be more inclined to prescribe antibiotics to help.”
Sometimes overprescribing can occur because of the logistics involved in getting to the doctor’s office in the outpatient setting. “Sometimes patients struggle with transportation, as two separate trips to the doctor and pharmacy may not be feasible. Additionally, these same patients may have limited access to health care and therefore may use an urgent care facility for their acute infection–like symptoms,” Dr. Bhakta explained.
Dr. Young, who is of Asian descent, first became interested in disparities in health care when he noticed that ethnic minority groups showed greater hesitancy toward COVID-19 vaccination. “I noticed that there weren’t many Asians involved in previous trials and realized at this point that disparities were rampant.”
Dr. Young had been involved in investigating the overall use and the inappropriate use of antibiotics across the whole U.S. population when his interest in health disparities prompted him to study these patterns in specific demographic groups.
“Most previous data are derived from inpatient studies where the physician is giving the antibiotics,” said Dr. Young, who looked specifically at outpatient prescribing.
Dr. Young used prescribing data from the Centers for Disease Control and Prevention’s National Ambulatory Medical Care Survey, which covers more than 5.7 billion adult (aged 18 and older) and 1.3 billion child visits to outpatient practices between 2009 and 2016 across all 50 U.S. states and Washington, D.C.
He gathered patient data on ICD-9-CM and ICD-10 diagnostic codes for infections and for diagnoses that “appeared like infections.” All of the patients who were included had received at least one oral antibiotic. Antibiotic prescribing was defined as visits that included an antibiotic per 1,000 total patient visits.
On the basis of previous research, Dr. Young and his colleagues then determined whether each antibiotic prescription was appropriate, possibly appropriate, or inappropriate. Patient demographics included age (younger than 18 years, 18-64 years, and older than 64 years), sex (male or female), race, and ethnicity (White, Black, more than one race, Hispanic/Latinx, and other). These data were used to evaluate overall and inappropriate use.
“The health care community needs to be really careful with the judicious use of antibiotics,” Dr. Young said. “We have good guidelines on antimicrobial stewardship both in the inpatient and outpatient settings, but sometimes we overlook the disparities and cultural implications held by some patients.”
Typical examples of socioeconomic and cultural factors at play included patients not being able to afford the antibiotics, having limited access to care, or not returning for a follow-up visit for whatever reason.
“Patients of Black and Hispanic descent often don’t have the same degree of established care that many White patients have,” Dr. Young noted.
In the future, Dr. Young wants to conduct research into whether patients are actually taking their prescribed antibiotics, as well as their outcomes. For example, he would like to investigate whether rates of antibiotic resistance or Clostridioides difficile infection are higher among Black patients.
Dr. Young and Dr. Bhakta have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
LISBON – Two-thirds of antibiotic prescriptions written for Black patients and more than half of antibiotic prescriptions for Hispanic/Latinx patients are inappropriate, according to data from a study of antibiotic prescribing habits in U.S. doctors’ offices, hospital clinics, and emergency departments.
Eric Young, PharmD, PhD, from the University of Texas at Austin, and UT Health, San Antonio, presented his work as a poster at the 32nd European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) 2022.
“We were really surprised mainly by the racial findings, because Black patients have the highest overall and the highest inappropriate prescribing of antibiotics,” he told this news organization. “There was also a difference seen for age [across all ethnicities].”
Pediatric patients were found to have high overall prescribing but, notably, the lowest inappropriate prescribing among all the patient groups, reported Dr. Young. “This is interesting because oftentimes we think the more antibiotics are prescribed, then surely the greater the inappropriate prescribing would be too, but pediatricians actually have one of the lowest rates of inappropriate antibiotic prescribing. They do a great job.”
The study included more than 7 billion patient visits, 11.3% of which involved an antibiotic prescription.
The rate of antibiotic prescribing was 122 per 1,000 visits in Black patients and 139 per 1,000 visits in Hispanic patients, while in White patients, the rate was 109 per 1,000 visits. The rate was 114 per 1,000 visits in patients younger than 18 years and 170 per 1,000 visits in females.
Dr. Young found that almost 64% of antibiotic prescriptions written for Black patients and 58% for Hispanic patients were inappropriate. For White patients, the rate of inappropriate antibiotic prescribing was 56%. Similarly, 74% of prescriptions dispensed to patients aged 65 years and older and 58% to males were deemed inappropriate.
Kajal Bhakta, PharmD, BCACP, ambulatory care clinical pharmacist, University Health System, UT Health Science Center San Antonio, who was not involved in the study, pointed out that antibiotics are frequently prescribed without confirmation of an infection, owing to the fact that the verification process may delay care, especially in the outpatient setting.
Dr. Bhakta said that overprescribing in the elderly population and in certain ethnic groups was “likely due to socioeconomic and cultural factors. These prescribing methods may lead to unnecessary drug side effects and/or antimicrobial resistance.”
Regarding the patient-doctor consultation process, she pointed out that “older patients may have trouble describing their symptoms, and when those symptoms remain unresolved, providers may be more inclined to prescribe antibiotics to help.”
Sometimes overprescribing can occur because of the logistics involved in getting to the doctor’s office in the outpatient setting. “Sometimes patients struggle with transportation, as two separate trips to the doctor and pharmacy may not be feasible. Additionally, these same patients may have limited access to health care and therefore may use an urgent care facility for their acute infection–like symptoms,” Dr. Bhakta explained.
Dr. Young, who is of Asian descent, first became interested in disparities in health care when he noticed that ethnic minority groups showed greater hesitancy toward COVID-19 vaccination. “I noticed that there weren’t many Asians involved in previous trials and realized at this point that disparities were rampant.”
Dr. Young had been involved in investigating the overall use and the inappropriate use of antibiotics across the whole U.S. population when his interest in health disparities prompted him to study these patterns in specific demographic groups.
“Most previous data are derived from inpatient studies where the physician is giving the antibiotics,” said Dr. Young, who looked specifically at outpatient prescribing.
Dr. Young used prescribing data from the Centers for Disease Control and Prevention’s National Ambulatory Medical Care Survey, which covers more than 5.7 billion adult (aged 18 and older) and 1.3 billion child visits to outpatient practices between 2009 and 2016 across all 50 U.S. states and Washington, D.C.
He gathered patient data on ICD-9-CM and ICD-10 diagnostic codes for infections and for diagnoses that “appeared like infections.” All of the patients who were included had received at least one oral antibiotic. Antibiotic prescribing was defined as visits that included an antibiotic per 1,000 total patient visits.
On the basis of previous research, Dr. Young and his colleagues then determined whether each antibiotic prescription was appropriate, possibly appropriate, or inappropriate. Patient demographics included age (younger than 18 years, 18-64 years, and older than 64 years), sex (male or female), race, and ethnicity (White, Black, more than one race, Hispanic/Latinx, and other). These data were used to evaluate overall and inappropriate use.
“The health care community needs to be really careful with the judicious use of antibiotics,” Dr. Young said. “We have good guidelines on antimicrobial stewardship both in the inpatient and outpatient settings, but sometimes we overlook the disparities and cultural implications held by some patients.”
Typical examples of socioeconomic and cultural factors at play included patients not being able to afford the antibiotics, having limited access to care, or not returning for a follow-up visit for whatever reason.
“Patients of Black and Hispanic descent often don’t have the same degree of established care that many White patients have,” Dr. Young noted.
In the future, Dr. Young wants to conduct research into whether patients are actually taking their prescribed antibiotics, as well as their outcomes. For example, he would like to investigate whether rates of antibiotic resistance or Clostridioides difficile infection are higher among Black patients.
Dr. Young and Dr. Bhakta have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
LISBON – Two-thirds of antibiotic prescriptions written for Black patients and more than half of antibiotic prescriptions for Hispanic/Latinx patients are inappropriate, according to data from a study of antibiotic prescribing habits in U.S. doctors’ offices, hospital clinics, and emergency departments.
Eric Young, PharmD, PhD, from the University of Texas at Austin, and UT Health, San Antonio, presented his work as a poster at the 32nd European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) 2022.
“We were really surprised mainly by the racial findings, because Black patients have the highest overall and the highest inappropriate prescribing of antibiotics,” he told this news organization. “There was also a difference seen for age [across all ethnicities].”
Pediatric patients were found to have high overall prescribing but, notably, the lowest inappropriate prescribing among all the patient groups, reported Dr. Young. “This is interesting because oftentimes we think the more antibiotics are prescribed, then surely the greater the inappropriate prescribing would be too, but pediatricians actually have one of the lowest rates of inappropriate antibiotic prescribing. They do a great job.”
The study included more than 7 billion patient visits, 11.3% of which involved an antibiotic prescription.
The rate of antibiotic prescribing was 122 per 1,000 visits in Black patients and 139 per 1,000 visits in Hispanic patients, while in White patients, the rate was 109 per 1,000 visits. The rate was 114 per 1,000 visits in patients younger than 18 years and 170 per 1,000 visits in females.
Dr. Young found that almost 64% of antibiotic prescriptions written for Black patients and 58% for Hispanic patients were inappropriate. For White patients, the rate of inappropriate antibiotic prescribing was 56%. Similarly, 74% of prescriptions dispensed to patients aged 65 years and older and 58% to males were deemed inappropriate.
Kajal Bhakta, PharmD, BCACP, ambulatory care clinical pharmacist, University Health System, UT Health Science Center San Antonio, who was not involved in the study, pointed out that antibiotics are frequently prescribed without confirmation of an infection, owing to the fact that the verification process may delay care, especially in the outpatient setting.
Dr. Bhakta said that overprescribing in the elderly population and in certain ethnic groups was “likely due to socioeconomic and cultural factors. These prescribing methods may lead to unnecessary drug side effects and/or antimicrobial resistance.”
Regarding the patient-doctor consultation process, she pointed out that “older patients may have trouble describing their symptoms, and when those symptoms remain unresolved, providers may be more inclined to prescribe antibiotics to help.”
Sometimes overprescribing can occur because of the logistics involved in getting to the doctor’s office in the outpatient setting. “Sometimes patients struggle with transportation, as two separate trips to the doctor and pharmacy may not be feasible. Additionally, these same patients may have limited access to health care and therefore may use an urgent care facility for their acute infection–like symptoms,” Dr. Bhakta explained.
Dr. Young, who is of Asian descent, first became interested in disparities in health care when he noticed that ethnic minority groups showed greater hesitancy toward COVID-19 vaccination. “I noticed that there weren’t many Asians involved in previous trials and realized at this point that disparities were rampant.”
Dr. Young had been involved in investigating the overall use and the inappropriate use of antibiotics across the whole U.S. population when his interest in health disparities prompted him to study these patterns in specific demographic groups.
“Most previous data are derived from inpatient studies where the physician is giving the antibiotics,” said Dr. Young, who looked specifically at outpatient prescribing.
Dr. Young used prescribing data from the Centers for Disease Control and Prevention’s National Ambulatory Medical Care Survey, which covers more than 5.7 billion adult (aged 18 and older) and 1.3 billion child visits to outpatient practices between 2009 and 2016 across all 50 U.S. states and Washington, D.C.
He gathered patient data on ICD-9-CM and ICD-10 diagnostic codes for infections and for diagnoses that “appeared like infections.” All of the patients who were included had received at least one oral antibiotic. Antibiotic prescribing was defined as visits that included an antibiotic per 1,000 total patient visits.
On the basis of previous research, Dr. Young and his colleagues then determined whether each antibiotic prescription was appropriate, possibly appropriate, or inappropriate. Patient demographics included age (younger than 18 years, 18-64 years, and older than 64 years), sex (male or female), race, and ethnicity (White, Black, more than one race, Hispanic/Latinx, and other). These data were used to evaluate overall and inappropriate use.
“The health care community needs to be really careful with the judicious use of antibiotics,” Dr. Young said. “We have good guidelines on antimicrobial stewardship both in the inpatient and outpatient settings, but sometimes we overlook the disparities and cultural implications held by some patients.”
Typical examples of socioeconomic and cultural factors at play included patients not being able to afford the antibiotics, having limited access to care, or not returning for a follow-up visit for whatever reason.
“Patients of Black and Hispanic descent often don’t have the same degree of established care that many White patients have,” Dr. Young noted.
In the future, Dr. Young wants to conduct research into whether patients are actually taking their prescribed antibiotics, as well as their outcomes. For example, he would like to investigate whether rates of antibiotic resistance or Clostridioides difficile infection are higher among Black patients.
Dr. Young and Dr. Bhakta have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
ECCMID 2022
A New Approach to an Old Problem: Not Just the Azoles for Vulvovaginal Candidiasis
At the conclusion of this activity, the participant will be able to:
• Appreciate the scope of the problem of Candida infection in terms of cost, lost productivity, and medical visits
• Learn current diagnostic and treatment patterns for vulvovaginal candidiasis
• Appreciate the attributes of the new antifungal class (triterpenoids) for vulvovaginal candidiasis
• Analyze clinical trial data with the non-azole approach to vulvovaginal candidiasis
Click here to read this supplement
To access post-test and evaluation, visit www.worldclasscme.com/online-courses/new-approach-old-problem-no-longer-just-azoles-candida
World Class CME designates this journal-based CME activity for a maximum of 1.0 AMA PRA Category1 Credit™.
At the conclusion of this activity, the participant will be able to:
• Appreciate the scope of the problem of Candida infection in terms of cost, lost productivity, and medical visits
• Learn current diagnostic and treatment patterns for vulvovaginal candidiasis
• Appreciate the attributes of the new antifungal class (triterpenoids) for vulvovaginal candidiasis
• Analyze clinical trial data with the non-azole approach to vulvovaginal candidiasis
Click here to read this supplement
To access post-test and evaluation, visit www.worldclasscme.com/online-courses/new-approach-old-problem-no-longer-just-azoles-candida
World Class CME designates this journal-based CME activity for a maximum of 1.0 AMA PRA Category1 Credit™.
At the conclusion of this activity, the participant will be able to:
• Appreciate the scope of the problem of Candida infection in terms of cost, lost productivity, and medical visits
• Learn current diagnostic and treatment patterns for vulvovaginal candidiasis
• Appreciate the attributes of the new antifungal class (triterpenoids) for vulvovaginal candidiasis
• Analyze clinical trial data with the non-azole approach to vulvovaginal candidiasis
Click here to read this supplement
To access post-test and evaluation, visit www.worldclasscme.com/online-courses/new-approach-old-problem-no-longer-just-azoles-candida
World Class CME designates this journal-based CME activity for a maximum of 1.0 AMA PRA Category1 Credit™.
Drug combo holds promise as on-demand contraceptive: Study
A combination of ulipristal acetate (UA) and a cyclo-oxygenase-2 (COX-2) inhibitor holds promise as a pericoital, “on- demand” female oral contraceptive, taken only when needed, according to an exploratory study published in BMJ Sexual & Reproductive Health.
The prospective, open-label, pilot study showed that UA and meloxicam successfully disrupted ovulation at “the peak of luteal surge, when conception risk is highest,” reported lead author Erica P Cahill, MD, of Stanford (Calif.) University, and colleagues.
“There are many people who report being interested in preventing pregnancy who are not using contraception,” Dr. Cahill said in an interview. The ideal is to be able to take a medication to prevent ovulation and know that you wouldn’t ovulate or be able to become pregnant for the next 3-5 days. These would be pericoital contraceptive pills that one could take prior to or immediately after intercourse that would expand the contraceptive options available and meet some of this need, she said.
Dr. Cahill said currently approved emergency contraceptives containing ulipristal acetate or levonorgestrel “work by inhibiting ovulation at the level of the luteal surge, the pituitary signal that starts the ovulation cascade. Because of this mechanism, they are only effective when taken prior to that signal. If they are taken near or after ovulation has occurred, they are not effective.” She said combining meloxicam with UA could address this because meloxicam “has been shown to prevent some of the later steps of ovulation just prior to the egg being released.”
The study included nine healthy women, with a mean age of 31.4 years, and a mean body mass index of 24.5 ± 3.9 kg/m2. All subjects had no exposure to hormonal medication, pregnancy, or lactation in the prior 3 months.
Each participant was followed for two cycles: The first without treatment, to establish normal ovulatory function; and the second during treatment with a one-time dose of UA 30 mg and meloxicam 30 mg during the “fertile window.” This window was defined as when the lead ovarian follicle had a mean diameter of 18 mm, and was determined via thrice-weekly ultrasounds, as well as luteinizing hormone (LH) measurements.
The primary outcome of the study was ovulation disruption, defined as unruptured dominant follicle for 5 days, a blunted LH peak, defined as <15 IU/L, and a nonovulatory luteal phase progesterone level, defined as <3 ng/mL.
Ovulation disruption was achieved in six subjects (67.7%), with eight subjects (88.9%) meeting some criteria.
“When we compare ovulation disruption rates in our study with the previous studies on which our protocol is based, the combination of UA and meloxicam disrupted ovulation at each phase of the fertile window more than any other medication previously studied,” the researchers wrote. “This medication combination is an important candidate to evaluate as oral pericoital contraception.”
When comparing subjects’ baseline cycles with their treatment cycles, the latter were approximately 3 days longer, although there was no difference in endometrial stripe thickness or irregular bleeding.
“Cycle length changes are an important parameter as people interested in oral, on-demand contraception may also be using fertility awareness methods which can be affected by cycle length changes.”
The authors noted that measures of full efficacy and side effects were beyond the scope of the study and would require repeat dosing. Similarly, liver enzymes were not measured, because there was only one dose of study medication, but “given the potential impact of repeat UA on liver enzymes, this measurement is critical for future studies.”
Asked to comment on the study, Eve Espey, MD, said that although it was limited in size and the use of an “intermediate outcome” of ovulation disruption, “the combination does show some promise as a focus of future research.” However, Dr. Espey, distinguished professor and chair in the department of obstetrics and gynecology at the University of New Mexico, Albuquerque, said it is too early to determine the significance of the findings. “But it does point the way to further research,” she noted. “Compared with existing emergency contraception, this study shows that the UA-meloxicam combination disrupts ovulation over a broader mid-cycle time period – [an] extended duration of action [that] could theoretically translate into increased effectiveness as a contraceptive.”
The study was supported by the Society for Family Planning Research Fund. None of the authors, or Dr. Espey, declared competing interests.
A combination of ulipristal acetate (UA) and a cyclo-oxygenase-2 (COX-2) inhibitor holds promise as a pericoital, “on- demand” female oral contraceptive, taken only when needed, according to an exploratory study published in BMJ Sexual & Reproductive Health.
The prospective, open-label, pilot study showed that UA and meloxicam successfully disrupted ovulation at “the peak of luteal surge, when conception risk is highest,” reported lead author Erica P Cahill, MD, of Stanford (Calif.) University, and colleagues.
“There are many people who report being interested in preventing pregnancy who are not using contraception,” Dr. Cahill said in an interview. The ideal is to be able to take a medication to prevent ovulation and know that you wouldn’t ovulate or be able to become pregnant for the next 3-5 days. These would be pericoital contraceptive pills that one could take prior to or immediately after intercourse that would expand the contraceptive options available and meet some of this need, she said.
Dr. Cahill said currently approved emergency contraceptives containing ulipristal acetate or levonorgestrel “work by inhibiting ovulation at the level of the luteal surge, the pituitary signal that starts the ovulation cascade. Because of this mechanism, they are only effective when taken prior to that signal. If they are taken near or after ovulation has occurred, they are not effective.” She said combining meloxicam with UA could address this because meloxicam “has been shown to prevent some of the later steps of ovulation just prior to the egg being released.”
The study included nine healthy women, with a mean age of 31.4 years, and a mean body mass index of 24.5 ± 3.9 kg/m2. All subjects had no exposure to hormonal medication, pregnancy, or lactation in the prior 3 months.
Each participant was followed for two cycles: The first without treatment, to establish normal ovulatory function; and the second during treatment with a one-time dose of UA 30 mg and meloxicam 30 mg during the “fertile window.” This window was defined as when the lead ovarian follicle had a mean diameter of 18 mm, and was determined via thrice-weekly ultrasounds, as well as luteinizing hormone (LH) measurements.
The primary outcome of the study was ovulation disruption, defined as unruptured dominant follicle for 5 days, a blunted LH peak, defined as <15 IU/L, and a nonovulatory luteal phase progesterone level, defined as <3 ng/mL.
Ovulation disruption was achieved in six subjects (67.7%), with eight subjects (88.9%) meeting some criteria.
“When we compare ovulation disruption rates in our study with the previous studies on which our protocol is based, the combination of UA and meloxicam disrupted ovulation at each phase of the fertile window more than any other medication previously studied,” the researchers wrote. “This medication combination is an important candidate to evaluate as oral pericoital contraception.”
When comparing subjects’ baseline cycles with their treatment cycles, the latter were approximately 3 days longer, although there was no difference in endometrial stripe thickness or irregular bleeding.
“Cycle length changes are an important parameter as people interested in oral, on-demand contraception may also be using fertility awareness methods which can be affected by cycle length changes.”
The authors noted that measures of full efficacy and side effects were beyond the scope of the study and would require repeat dosing. Similarly, liver enzymes were not measured, because there was only one dose of study medication, but “given the potential impact of repeat UA on liver enzymes, this measurement is critical for future studies.”
Asked to comment on the study, Eve Espey, MD, said that although it was limited in size and the use of an “intermediate outcome” of ovulation disruption, “the combination does show some promise as a focus of future research.” However, Dr. Espey, distinguished professor and chair in the department of obstetrics and gynecology at the University of New Mexico, Albuquerque, said it is too early to determine the significance of the findings. “But it does point the way to further research,” she noted. “Compared with existing emergency contraception, this study shows that the UA-meloxicam combination disrupts ovulation over a broader mid-cycle time period – [an] extended duration of action [that] could theoretically translate into increased effectiveness as a contraceptive.”
The study was supported by the Society for Family Planning Research Fund. None of the authors, or Dr. Espey, declared competing interests.
A combination of ulipristal acetate (UA) and a cyclo-oxygenase-2 (COX-2) inhibitor holds promise as a pericoital, “on- demand” female oral contraceptive, taken only when needed, according to an exploratory study published in BMJ Sexual & Reproductive Health.
The prospective, open-label, pilot study showed that UA and meloxicam successfully disrupted ovulation at “the peak of luteal surge, when conception risk is highest,” reported lead author Erica P Cahill, MD, of Stanford (Calif.) University, and colleagues.
“There are many people who report being interested in preventing pregnancy who are not using contraception,” Dr. Cahill said in an interview. The ideal is to be able to take a medication to prevent ovulation and know that you wouldn’t ovulate or be able to become pregnant for the next 3-5 days. These would be pericoital contraceptive pills that one could take prior to or immediately after intercourse that would expand the contraceptive options available and meet some of this need, she said.
Dr. Cahill said currently approved emergency contraceptives containing ulipristal acetate or levonorgestrel “work by inhibiting ovulation at the level of the luteal surge, the pituitary signal that starts the ovulation cascade. Because of this mechanism, they are only effective when taken prior to that signal. If they are taken near or after ovulation has occurred, they are not effective.” She said combining meloxicam with UA could address this because meloxicam “has been shown to prevent some of the later steps of ovulation just prior to the egg being released.”
The study included nine healthy women, with a mean age of 31.4 years, and a mean body mass index of 24.5 ± 3.9 kg/m2. All subjects had no exposure to hormonal medication, pregnancy, or lactation in the prior 3 months.
Each participant was followed for two cycles: The first without treatment, to establish normal ovulatory function; and the second during treatment with a one-time dose of UA 30 mg and meloxicam 30 mg during the “fertile window.” This window was defined as when the lead ovarian follicle had a mean diameter of 18 mm, and was determined via thrice-weekly ultrasounds, as well as luteinizing hormone (LH) measurements.
The primary outcome of the study was ovulation disruption, defined as unruptured dominant follicle for 5 days, a blunted LH peak, defined as <15 IU/L, and a nonovulatory luteal phase progesterone level, defined as <3 ng/mL.
Ovulation disruption was achieved in six subjects (67.7%), with eight subjects (88.9%) meeting some criteria.
“When we compare ovulation disruption rates in our study with the previous studies on which our protocol is based, the combination of UA and meloxicam disrupted ovulation at each phase of the fertile window more than any other medication previously studied,” the researchers wrote. “This medication combination is an important candidate to evaluate as oral pericoital contraception.”
When comparing subjects’ baseline cycles with their treatment cycles, the latter were approximately 3 days longer, although there was no difference in endometrial stripe thickness or irregular bleeding.
“Cycle length changes are an important parameter as people interested in oral, on-demand contraception may also be using fertility awareness methods which can be affected by cycle length changes.”
The authors noted that measures of full efficacy and side effects were beyond the scope of the study and would require repeat dosing. Similarly, liver enzymes were not measured, because there was only one dose of study medication, but “given the potential impact of repeat UA on liver enzymes, this measurement is critical for future studies.”
Asked to comment on the study, Eve Espey, MD, said that although it was limited in size and the use of an “intermediate outcome” of ovulation disruption, “the combination does show some promise as a focus of future research.” However, Dr. Espey, distinguished professor and chair in the department of obstetrics and gynecology at the University of New Mexico, Albuquerque, said it is too early to determine the significance of the findings. “But it does point the way to further research,” she noted. “Compared with existing emergency contraception, this study shows that the UA-meloxicam combination disrupts ovulation over a broader mid-cycle time period – [an] extended duration of action [that] could theoretically translate into increased effectiveness as a contraceptive.”
The study was supported by the Society for Family Planning Research Fund. None of the authors, or Dr. Espey, declared competing interests.
FROM BMJ SEXUAL & REPRODUCTIVE HEALTH
Cats, toxoplasmosis, and psychosis: Understanding the risks
It has been clearly established that most human infectious diseases are caused by infectious agents that have been transmitted from animals to humans.1 Based on published estimates from the 2000s, 60% to 76% of emerging infectious disease events are transmitted from animals to humans.2
When we consider animals that cause human diseases, we usually think of rats and bats. We rarely think of the 90 million cats owned as pets in the United States, or the approximately 30 to 80 million feral cats. Many consider cats as family members, and three-fourths of cats owned in the United States are allowed to sleep on the beds of their owners.1 These cats may be a substantial source of human disease. Researchers at the University of Liverpool have identified 273 infectious agents carried by cats, of which 151 are known to be shared with humans.1 The most widely known of these agents are Lyssavirus, the virus that causes rabies; Bartonella henselae, the bacteria that causes cat scratch disease; and Toxoplasma gondii (T. gondii), the parasite that causes toxoplasmosis.
In my new open-access book Parasites, Pussycats and Psychosis (available at https://link.springer.com/book/10.1007/978-3-030-86811-6), I describe the relationship between cats, T. gondii, and toxoplasmosis, and detail the evidence linking T. gondii to some cases of schizophrenia, bipolar disorder, and other diseases.1 Though human T. gondii infection is typically asymptomatic or produces minor, flu-like symptoms, there are a few important exceptions. This article outlines those exceptions, and investigates evidence that implicates a link between T. gondii and psychosis.
How T. gondii can be transmitted
T. gondii has been called “one of the most successful parasites on earth.”3 Globally, approximately one-third of the human population is infected with T. gondii, though this varies widely by country and is dependent on dietary habits and exposure to cats. A 2014 survey reported that 11% of Americans—approximately 40 million people—have been infected, as evidenced by the presence of antibodies in their blood.1
T. gondii begins its life cycle when a cat becomes infected, usually as a kitten. Most infected cats are asymptomatic, but for approximately 8 days they excrete up to 50 million infectious oocysts in their feces daily. Depending on the temperature, these oocysts can live for 2 years or longer.It is thought that a single oocyst can cause human infection.1 Since cats like loose soil for defecation, the infective oocysts commonly end up in gardens, uncovered sandboxes, or animal feed piles in barns. After 24 hours, the oocysts dry out and may become aerosolized. For this reason, cat owners are advised to change their cat’s litter daily.
The number of ways T. gondii can be transmitted to humans is extensive. Farm animals can become infected from contaminated feed; this causes T. gondii oocysts in animals’ muscles, which later may cause human infection if eaten as undercooked meat. Many such family outbreaks of toxoplasmosis have been described.1
If infective oocysts get into the water supply, they may also cause outbreaks of disease. More than 200 such outbreaks have been described, including an instance in Victoria, British Columbia, in which 100 people became clinically infected.4
Continue to: Family outbreaks...
Family outbreaks have also been described that involve multiple children who played in an infected sandbox or dirt pile.5 Similarly, an outbreak has been reported in a riding stable that was home to infected cats. Infective oocysts were thought to have become aerosolized and breathed in by the patrons.6 Multiple other possible modes of transmission are being investigated, including sexual transmission among humans.7
Human infections are not always benign
In most human T. gondii cases, the infected individual experiences mild, flu-like symptoms, often with enlarged lymph nodes, or has no symptoms.1 Thus, most people who have been infected with
There are 3 exceptions to this otherwise benign clinical picture. The first is cerebral toxoplasmosis, which occurs in individuals who are immunosuppressed because they have AIDS or are receiving treatment for cancer or organ transplantation. Cerebral toxoplasmosis can be severe and was a common cause of death in patients with AIDS before the development of effective AIDS treatments.
The second exception is congenital toxoplasmosis, when an infection occurs in a pregnant woman. Such infections can cause severe damage to the developing fetus, including abortion, stillbirth, and brain damage. Congenital toxoplasmosis infections occur in approximately 1 of every 10,000 births in the United States, or approximately 3,800 each year.8 As a result, pregnant women are advised not to change their cat’s litter and to be tested for evidence of T. gondii infection.
The third exception is eye disease. Toxoplasmosis is one of the most common causes of eye disease, especially of the retina. Each year in the United States, approximately 4,800 individuals develop systematic ocular toxoplasmosis.9
Continue to: Toxoplasmosis and psychosis
Toxoplasmosis and psychosis: What evidence supports a link?
Until recently, cerebral infections, congenital infections, and eye disease were thought to be the main clinical problems associated with toxoplasmosis. However, accumulating evidence suggests that psychosis should be added to this list. Five lines of evidence support this.
1. T. gondii can cause psychotic symptoms. It has been known for decades that T. gondii can cause delusions, auditory hallucinations, and other psychotic symptoms.1 In one of the earliest publications (1966), Ladee10 concluded “The literature not infrequently focuses attention on psychosis with schizophrenia or schizophreniform features that accompany chronic toxoplasmosis.” Among the cases Ladee10 described was a laboratory worker who became infected with T. gondii and developed delusions and hallucinations.10
2. Patients with schizophrenia who are infected with T. gondii have more severe psychotic symptoms. This finding has been reported in at least 7 studies.1 Holub et al11 evaluated 251 patients with schizophrenia who were treated in Prague Psychiatric Centre between 2000 and 2010. Overall, 57 participants were infected with T. gondii and 194 were not infected. Compared to those who were not infected, the infected group:
- had significantly more severe symptoms (P = .032) as measured on the Positive and Negative Symptom Scale
- were prescribed higher doses of antipsychotic medications
- had been hospitalized longer.11
3. Compared with controls, patients with psychosis are significantly more likely to have antibodies against T. gondii, indicating previous infection. To date there have been approximately 100 such studies, of which at least three-fourths reported a positive association. In a 2012 meta-analysis of 38 such studies, Torrey et al12 reported an odds ratio (OR) of 2.7—compared to persons who have not been infected, those who have been infected with T. gondii were 2.7 times more likely to have schizophrenia.12 This study replicated the findings of a previous meta-analysis of 23 antibody studies, which also found an OR of 2.7.13
4. Compared with controls, individuals with schizophrenia or bipolar disorder are significantly more likely as a child to have lived in a home with a cat. Since 1995, 10 such studies have been published; 7 were positive, 2 were negative, and 1 was inconclusive.1 Torrey et al14 reviewed 2,025 individuals with schizophrenia or bipolar disorder and 4,847 controls and found that 51% of the cases and 43% of the controls had owned a cat before age 13; this difference was highly significant (P < .001). In fact, it is surprising that any study can find a statistically significant association between cat ownership and childhood psychosis. This is because a child who did not own a cat could become infected in many locations where cats have been present, including sandboxes at school, a babysitter’s or friend’s house, or a public park. And even if a child became infected at home, they would not necessarily have owned a cat, since the neighbor’s cat could have been responsible for the oocyst contamination.
Continue to: Epidemiologically...
5. Epidemiologically, there is a close temporal correlation between the rise of cats as pets and the rise of psychosis. This can be illustrated most clearly in England, where the rise of cat ownership has been documented by writers and where there is data on the rise of psychosis, especially in the 18th and 19th centuries.1
How many cases of psychosis might be caused by T. gondii?
In 2014, using data from the antibody studies discussed above,12,13 Smith15 sought to discover how many cases of psychosis might be caused by T. gondii. He concluded that 21% of cases of schizophrenia might have been caused by T. gondii. Based on the annual incidence of schizophrenia in the United States, this would mean an estimated >10,000 new cases of schizophrenia each year are attributable to this parasite.
Some researchers have found links between T. gondii and several nonpsychiatric diseases and conditions, including epilepsy and brain cancer (Box1,16-19).
Box
As interest in Toxoplasma gondii (T. gondii) has increased, researchers have looked for associations between this parasite with other diseases and conditions. Based on the literature, the following are of most interest:
Epilepsy. Since 1995, 16 studies1 have explored the relationship between T. gondii and epilepsy. A recent meta-analysis reported a statistically significant association between T. gondii and epilepsy.16
Brain cancer. Authors in 2 of 3 studies of meningiomas and 4 of 5 studies of gliomas reported statistically significant associations between these brain tumors and infection with T. gondii.1,17
Rheumatoid arthritis. Eight studies reported an increased prevalence of T. gondii antibodies in individuals with rheumatoid arthritis.1,18
Motor vehicle accidents. Infection with T. gondii is known to decrease motor reaction times in humans. At least 11 studies1 have examined whether infected individuals are more likely to have been involved in motor vehicle accidents. The results are mixed; the largest study reported a weak but statistically significant association.19
Clinical implications: What to tell patients about cats
What do these studies of toxoplasmosis imply for psychiatric care? As mental health professionals, part of our job is to educate our patients. Anything that appears to be a risk factor for the development of psychosis is thus of interest. Consider discussing the following with your patients.
Are cats safe? Cats that are kept exclusively indoors are safe pets because they are unlikely to become infected with T. gondii. However, cats that are allowed to go outdoors may not be safe, especially for children and young adults. What is needed is an effective vaccine that could be given to newborn kittens to prevent infection, but development of this type of vaccine has never been prioritized. At the community level, programs to decrease the number of stray and feral cats would also decrease the risk of infection.
Continue to: How to decrease risk
How to decrease risk. On a personal level, we can decrease T. gondii infections by not eating undercooked meat. Pregnant women and individuals who are immunocompromised should not change cat litter. When gardening, we should wear gloves because cats favor loose soil for depositing their feces. We should also protect children by covering sandboxes when not in use and by not allowing children to play in uncovered public sandboxes.
Treatment. Toxoplasmosis typically is treated with pyrimethamine, usually in combination with a sulfa drug. However, pyrimethamine does not cross the blood brain barrier and thus is ineffective when T. gondii infects the brain. The development of a drug that will effectively treat T. gondii in the brain should be a high priority.
For additional details on the studies discussed in this article as well as more resources on the impact T. gondii can have if proper precautions are not taken, see my open-access book at https://link.springer.com/book/10.1007/978-3-030-86811-6.
Bottom Line
Some evidence suggests that infection with Toxoplasma gondii (T. gondii) may cause psychotic symptoms, may increase an individual’s risk of developing psychosis, and may result in more severe psychotic symptoms. Cats can transmit T. gondii to humans. Educate patients that they can reduce their risk by keeping their cats inside, avoiding exposure to cat feces, particularly while pregnant or if immunocompromised, and not eating undercooked meat.
Related Resources
- Torrey EF. Parasites, Pussycats, and Psychosis: The Unknown Dangers of Human Toxoplasmosis. Springer Nature; 2022. https://link.springer.com/book/10.1007/978-3-030-86811-6
Drug Brand Names
Pyrimethamine • Daraprim
1. Torrey EF. Parasites, Pussycats, and Psychosis: The Unknown Dangers of Human Toxoplasmosis. Springer Nature; 2022. https://link.springer.com/book/10.1007/978-3-030-86811-6
2. Rohr JR, Barrett CB, Civitello DJ, et al. Emerging human infectious diseases and the links to global food production. Nat Sustain. 2019;2(6):445-456.
3. Joynson DHM. Preface. In: Joynson DHM, Wreghitt TG, eds. Toxoplasmosis: A Comprehensive Clinical Guide. Cambridge University Press; 2001:xi.
4. Bowie WR, King AS, Werker DH, et al. Outbreak of toxoplasmosis associated with municipal drinking water. Lancet. 1997;350(9072):173-177.
5. Stagno S, Dykes AC, Amos CS, et al. An outbreak of toxoplasmosis linked to cats. Pediatrics. 1980;65(4):706-712.
6. Teutsch SM, Juranek DD, Sulzer A, et al. Epidemic toxoplasmosis associated with infected cats. N Engl J Med. 1979;300(13):695-699.
7. Kaňková Š, Hlaváčová J, Flegr J. Oral sex: a new, and possibly the most dangerous, route of toxoplasmosis transmission. Med Hypotheses. 2020;141:109725.
8. Guerina NG, Hsu HW, Meissner HC, et al. Neonatal serologic screening and early treatment for congenital T. gondii infection. N Engl J Med. 1994;330(26):1858-1863.
9. Jones JL, Holland GN. Annual burden of ocular toxoplasmosis in the US. Am J Trop Med Hyg. 2010;82(3):464-465.
10. Ladee GA. Diagnostic problems in psychiatry with regard to acquired toxoplasmosis. Psychiatr Neurol Neurochir. 1966;69(1):65-82.
11. Holub D, Flegr J, Dragomirecká E, et al. Differences in onset of disease and severity of psychopathology between toxoplasmosis-related and toxoplasmosis-unrelated schizophrenia. Acta Psychiatr Scand. 2013;127(3):227-238.
12. Torrey EF, Bartko JJ, Yolken RH. T. gondii and other risk factors for schizophrenia: an update. Schizophr Bull. 2012;38(3):642-647.
13. Torrey EF, Bartko JJ, Lun ZR, et al. Antibodies to Toxoplasma gondii in patients with schizophrenia: a meta-analysis. Schizophr Bull. 2007;33:729-736.
14. Torrey EF, Simmons W, Yolken RH. Is childhood cat ownership a risk factor for schizophrenia later in life? Schizophr Res. 2015;165(1):1-2.
15. Smith G. Estimating the population attributable fraction for schizophrenia when T. gondii is assumed absent in human populations. Prev Vet Med. 2014;117(3-4):425-435.
16. Sadeghi M, Riahi SM, Mohammadi M, et al. An updated meta-analysis of the association between T. gondii infection and risk of epilepsy. Trans R Soc Trop Med Hyg. 2019;113(8):453-462.
17. Hodge JM, Coghill AE, Kim Y, et al. T. gondii infection and the risk of adult glioma in two prospective studies. Int J Cancer. 2021;148(10):2449-2456.
18. Hosseininejad Z, Sharif M, Sarvi S, et al. Toxoplasmosis seroprevalence in rheumatoid arthritis patients: a systematic review and meta-analysis. PLoS Negl Trop Dis. 2018;12(6):e0006545.
19. Burgdorf KS, Trabjerg BB, Pedersen MG, et al. Large-scale study of Toxoplasma and Cytomegalovirus shows an association between infection and serious psychiatric disorders. Brain Behav Immun. 2019; 79:152-158.
It has been clearly established that most human infectious diseases are caused by infectious agents that have been transmitted from animals to humans.1 Based on published estimates from the 2000s, 60% to 76% of emerging infectious disease events are transmitted from animals to humans.2
When we consider animals that cause human diseases, we usually think of rats and bats. We rarely think of the 90 million cats owned as pets in the United States, or the approximately 30 to 80 million feral cats. Many consider cats as family members, and three-fourths of cats owned in the United States are allowed to sleep on the beds of their owners.1 These cats may be a substantial source of human disease. Researchers at the University of Liverpool have identified 273 infectious agents carried by cats, of which 151 are known to be shared with humans.1 The most widely known of these agents are Lyssavirus, the virus that causes rabies; Bartonella henselae, the bacteria that causes cat scratch disease; and Toxoplasma gondii (T. gondii), the parasite that causes toxoplasmosis.
In my new open-access book Parasites, Pussycats and Psychosis (available at https://link.springer.com/book/10.1007/978-3-030-86811-6), I describe the relationship between cats, T. gondii, and toxoplasmosis, and detail the evidence linking T. gondii to some cases of schizophrenia, bipolar disorder, and other diseases.1 Though human T. gondii infection is typically asymptomatic or produces minor, flu-like symptoms, there are a few important exceptions. This article outlines those exceptions, and investigates evidence that implicates a link between T. gondii and psychosis.
How T. gondii can be transmitted
T. gondii has been called “one of the most successful parasites on earth.”3 Globally, approximately one-third of the human population is infected with T. gondii, though this varies widely by country and is dependent on dietary habits and exposure to cats. A 2014 survey reported that 11% of Americans—approximately 40 million people—have been infected, as evidenced by the presence of antibodies in their blood.1
T. gondii begins its life cycle when a cat becomes infected, usually as a kitten. Most infected cats are asymptomatic, but for approximately 8 days they excrete up to 50 million infectious oocysts in their feces daily. Depending on the temperature, these oocysts can live for 2 years or longer.It is thought that a single oocyst can cause human infection.1 Since cats like loose soil for defecation, the infective oocysts commonly end up in gardens, uncovered sandboxes, or animal feed piles in barns. After 24 hours, the oocysts dry out and may become aerosolized. For this reason, cat owners are advised to change their cat’s litter daily.
The number of ways T. gondii can be transmitted to humans is extensive. Farm animals can become infected from contaminated feed; this causes T. gondii oocysts in animals’ muscles, which later may cause human infection if eaten as undercooked meat. Many such family outbreaks of toxoplasmosis have been described.1
If infective oocysts get into the water supply, they may also cause outbreaks of disease. More than 200 such outbreaks have been described, including an instance in Victoria, British Columbia, in which 100 people became clinically infected.4
Continue to: Family outbreaks...
Family outbreaks have also been described that involve multiple children who played in an infected sandbox or dirt pile.5 Similarly, an outbreak has been reported in a riding stable that was home to infected cats. Infective oocysts were thought to have become aerosolized and breathed in by the patrons.6 Multiple other possible modes of transmission are being investigated, including sexual transmission among humans.7
Human infections are not always benign
In most human T. gondii cases, the infected individual experiences mild, flu-like symptoms, often with enlarged lymph nodes, or has no symptoms.1 Thus, most people who have been infected with
There are 3 exceptions to this otherwise benign clinical picture. The first is cerebral toxoplasmosis, which occurs in individuals who are immunosuppressed because they have AIDS or are receiving treatment for cancer or organ transplantation. Cerebral toxoplasmosis can be severe and was a common cause of death in patients with AIDS before the development of effective AIDS treatments.
The second exception is congenital toxoplasmosis, when an infection occurs in a pregnant woman. Such infections can cause severe damage to the developing fetus, including abortion, stillbirth, and brain damage. Congenital toxoplasmosis infections occur in approximately 1 of every 10,000 births in the United States, or approximately 3,800 each year.8 As a result, pregnant women are advised not to change their cat’s litter and to be tested for evidence of T. gondii infection.
The third exception is eye disease. Toxoplasmosis is one of the most common causes of eye disease, especially of the retina. Each year in the United States, approximately 4,800 individuals develop systematic ocular toxoplasmosis.9
Continue to: Toxoplasmosis and psychosis
Toxoplasmosis and psychosis: What evidence supports a link?
Until recently, cerebral infections, congenital infections, and eye disease were thought to be the main clinical problems associated with toxoplasmosis. However, accumulating evidence suggests that psychosis should be added to this list. Five lines of evidence support this.
1. T. gondii can cause psychotic symptoms. It has been known for decades that T. gondii can cause delusions, auditory hallucinations, and other psychotic symptoms.1 In one of the earliest publications (1966), Ladee10 concluded “The literature not infrequently focuses attention on psychosis with schizophrenia or schizophreniform features that accompany chronic toxoplasmosis.” Among the cases Ladee10 described was a laboratory worker who became infected with T. gondii and developed delusions and hallucinations.10
2. Patients with schizophrenia who are infected with T. gondii have more severe psychotic symptoms. This finding has been reported in at least 7 studies.1 Holub et al11 evaluated 251 patients with schizophrenia who were treated in Prague Psychiatric Centre between 2000 and 2010. Overall, 57 participants were infected with T. gondii and 194 were not infected. Compared to those who were not infected, the infected group:
- had significantly more severe symptoms (P = .032) as measured on the Positive and Negative Symptom Scale
- were prescribed higher doses of antipsychotic medications
- had been hospitalized longer.11
3. Compared with controls, patients with psychosis are significantly more likely to have antibodies against T. gondii, indicating previous infection. To date there have been approximately 100 such studies, of which at least three-fourths reported a positive association. In a 2012 meta-analysis of 38 such studies, Torrey et al12 reported an odds ratio (OR) of 2.7—compared to persons who have not been infected, those who have been infected with T. gondii were 2.7 times more likely to have schizophrenia.12 This study replicated the findings of a previous meta-analysis of 23 antibody studies, which also found an OR of 2.7.13
4. Compared with controls, individuals with schizophrenia or bipolar disorder are significantly more likely as a child to have lived in a home with a cat. Since 1995, 10 such studies have been published; 7 were positive, 2 were negative, and 1 was inconclusive.1 Torrey et al14 reviewed 2,025 individuals with schizophrenia or bipolar disorder and 4,847 controls and found that 51% of the cases and 43% of the controls had owned a cat before age 13; this difference was highly significant (P < .001). In fact, it is surprising that any study can find a statistically significant association between cat ownership and childhood psychosis. This is because a child who did not own a cat could become infected in many locations where cats have been present, including sandboxes at school, a babysitter’s or friend’s house, or a public park. And even if a child became infected at home, they would not necessarily have owned a cat, since the neighbor’s cat could have been responsible for the oocyst contamination.
Continue to: Epidemiologically...
5. Epidemiologically, there is a close temporal correlation between the rise of cats as pets and the rise of psychosis. This can be illustrated most clearly in England, where the rise of cat ownership has been documented by writers and where there is data on the rise of psychosis, especially in the 18th and 19th centuries.1
How many cases of psychosis might be caused by T. gondii?
In 2014, using data from the antibody studies discussed above,12,13 Smith15 sought to discover how many cases of psychosis might be caused by T. gondii. He concluded that 21% of cases of schizophrenia might have been caused by T. gondii. Based on the annual incidence of schizophrenia in the United States, this would mean an estimated >10,000 new cases of schizophrenia each year are attributable to this parasite.
Some researchers have found links between T. gondii and several nonpsychiatric diseases and conditions, including epilepsy and brain cancer (Box1,16-19).
Box
As interest in Toxoplasma gondii (T. gondii) has increased, researchers have looked for associations between this parasite with other diseases and conditions. Based on the literature, the following are of most interest:
Epilepsy. Since 1995, 16 studies1 have explored the relationship between T. gondii and epilepsy. A recent meta-analysis reported a statistically significant association between T. gondii and epilepsy.16
Brain cancer. Authors in 2 of 3 studies of meningiomas and 4 of 5 studies of gliomas reported statistically significant associations between these brain tumors and infection with T. gondii.1,17
Rheumatoid arthritis. Eight studies reported an increased prevalence of T. gondii antibodies in individuals with rheumatoid arthritis.1,18
Motor vehicle accidents. Infection with T. gondii is known to decrease motor reaction times in humans. At least 11 studies1 have examined whether infected individuals are more likely to have been involved in motor vehicle accidents. The results are mixed; the largest study reported a weak but statistically significant association.19
Clinical implications: What to tell patients about cats
What do these studies of toxoplasmosis imply for psychiatric care? As mental health professionals, part of our job is to educate our patients. Anything that appears to be a risk factor for the development of psychosis is thus of interest. Consider discussing the following with your patients.
Are cats safe? Cats that are kept exclusively indoors are safe pets because they are unlikely to become infected with T. gondii. However, cats that are allowed to go outdoors may not be safe, especially for children and young adults. What is needed is an effective vaccine that could be given to newborn kittens to prevent infection, but development of this type of vaccine has never been prioritized. At the community level, programs to decrease the number of stray and feral cats would also decrease the risk of infection.
Continue to: How to decrease risk
How to decrease risk. On a personal level, we can decrease T. gondii infections by not eating undercooked meat. Pregnant women and individuals who are immunocompromised should not change cat litter. When gardening, we should wear gloves because cats favor loose soil for depositing their feces. We should also protect children by covering sandboxes when not in use and by not allowing children to play in uncovered public sandboxes.
Treatment. Toxoplasmosis typically is treated with pyrimethamine, usually in combination with a sulfa drug. However, pyrimethamine does not cross the blood brain barrier and thus is ineffective when T. gondii infects the brain. The development of a drug that will effectively treat T. gondii in the brain should be a high priority.
For additional details on the studies discussed in this article as well as more resources on the impact T. gondii can have if proper precautions are not taken, see my open-access book at https://link.springer.com/book/10.1007/978-3-030-86811-6.
Bottom Line
Some evidence suggests that infection with Toxoplasma gondii (T. gondii) may cause psychotic symptoms, may increase an individual’s risk of developing psychosis, and may result in more severe psychotic symptoms. Cats can transmit T. gondii to humans. Educate patients that they can reduce their risk by keeping their cats inside, avoiding exposure to cat feces, particularly while pregnant or if immunocompromised, and not eating undercooked meat.
Related Resources
- Torrey EF. Parasites, Pussycats, and Psychosis: The Unknown Dangers of Human Toxoplasmosis. Springer Nature; 2022. https://link.springer.com/book/10.1007/978-3-030-86811-6
Drug Brand Names
Pyrimethamine • Daraprim
It has been clearly established that most human infectious diseases are caused by infectious agents that have been transmitted from animals to humans.1 Based on published estimates from the 2000s, 60% to 76% of emerging infectious disease events are transmitted from animals to humans.2
When we consider animals that cause human diseases, we usually think of rats and bats. We rarely think of the 90 million cats owned as pets in the United States, or the approximately 30 to 80 million feral cats. Many consider cats as family members, and three-fourths of cats owned in the United States are allowed to sleep on the beds of their owners.1 These cats may be a substantial source of human disease. Researchers at the University of Liverpool have identified 273 infectious agents carried by cats, of which 151 are known to be shared with humans.1 The most widely known of these agents are Lyssavirus, the virus that causes rabies; Bartonella henselae, the bacteria that causes cat scratch disease; and Toxoplasma gondii (T. gondii), the parasite that causes toxoplasmosis.
In my new open-access book Parasites, Pussycats and Psychosis (available at https://link.springer.com/book/10.1007/978-3-030-86811-6), I describe the relationship between cats, T. gondii, and toxoplasmosis, and detail the evidence linking T. gondii to some cases of schizophrenia, bipolar disorder, and other diseases.1 Though human T. gondii infection is typically asymptomatic or produces minor, flu-like symptoms, there are a few important exceptions. This article outlines those exceptions, and investigates evidence that implicates a link between T. gondii and psychosis.
How T. gondii can be transmitted
T. gondii has been called “one of the most successful parasites on earth.”3 Globally, approximately one-third of the human population is infected with T. gondii, though this varies widely by country and is dependent on dietary habits and exposure to cats. A 2014 survey reported that 11% of Americans—approximately 40 million people—have been infected, as evidenced by the presence of antibodies in their blood.1
T. gondii begins its life cycle when a cat becomes infected, usually as a kitten. Most infected cats are asymptomatic, but for approximately 8 days they excrete up to 50 million infectious oocysts in their feces daily. Depending on the temperature, these oocysts can live for 2 years or longer.It is thought that a single oocyst can cause human infection.1 Since cats like loose soil for defecation, the infective oocysts commonly end up in gardens, uncovered sandboxes, or animal feed piles in barns. After 24 hours, the oocysts dry out and may become aerosolized. For this reason, cat owners are advised to change their cat’s litter daily.
The number of ways T. gondii can be transmitted to humans is extensive. Farm animals can become infected from contaminated feed; this causes T. gondii oocysts in animals’ muscles, which later may cause human infection if eaten as undercooked meat. Many such family outbreaks of toxoplasmosis have been described.1
If infective oocysts get into the water supply, they may also cause outbreaks of disease. More than 200 such outbreaks have been described, including an instance in Victoria, British Columbia, in which 100 people became clinically infected.4
Continue to: Family outbreaks...
Family outbreaks have also been described that involve multiple children who played in an infected sandbox or dirt pile.5 Similarly, an outbreak has been reported in a riding stable that was home to infected cats. Infective oocysts were thought to have become aerosolized and breathed in by the patrons.6 Multiple other possible modes of transmission are being investigated, including sexual transmission among humans.7
Human infections are not always benign
In most human T. gondii cases, the infected individual experiences mild, flu-like symptoms, often with enlarged lymph nodes, or has no symptoms.1 Thus, most people who have been infected with
There are 3 exceptions to this otherwise benign clinical picture. The first is cerebral toxoplasmosis, which occurs in individuals who are immunosuppressed because they have AIDS or are receiving treatment for cancer or organ transplantation. Cerebral toxoplasmosis can be severe and was a common cause of death in patients with AIDS before the development of effective AIDS treatments.
The second exception is congenital toxoplasmosis, when an infection occurs in a pregnant woman. Such infections can cause severe damage to the developing fetus, including abortion, stillbirth, and brain damage. Congenital toxoplasmosis infections occur in approximately 1 of every 10,000 births in the United States, or approximately 3,800 each year.8 As a result, pregnant women are advised not to change their cat’s litter and to be tested for evidence of T. gondii infection.
The third exception is eye disease. Toxoplasmosis is one of the most common causes of eye disease, especially of the retina. Each year in the United States, approximately 4,800 individuals develop systematic ocular toxoplasmosis.9
Continue to: Toxoplasmosis and psychosis
Toxoplasmosis and psychosis: What evidence supports a link?
Until recently, cerebral infections, congenital infections, and eye disease were thought to be the main clinical problems associated with toxoplasmosis. However, accumulating evidence suggests that psychosis should be added to this list. Five lines of evidence support this.
1. T. gondii can cause psychotic symptoms. It has been known for decades that T. gondii can cause delusions, auditory hallucinations, and other psychotic symptoms.1 In one of the earliest publications (1966), Ladee10 concluded “The literature not infrequently focuses attention on psychosis with schizophrenia or schizophreniform features that accompany chronic toxoplasmosis.” Among the cases Ladee10 described was a laboratory worker who became infected with T. gondii and developed delusions and hallucinations.10
2. Patients with schizophrenia who are infected with T. gondii have more severe psychotic symptoms. This finding has been reported in at least 7 studies.1 Holub et al11 evaluated 251 patients with schizophrenia who were treated in Prague Psychiatric Centre between 2000 and 2010. Overall, 57 participants were infected with T. gondii and 194 were not infected. Compared to those who were not infected, the infected group:
- had significantly more severe symptoms (P = .032) as measured on the Positive and Negative Symptom Scale
- were prescribed higher doses of antipsychotic medications
- had been hospitalized longer.11
3. Compared with controls, patients with psychosis are significantly more likely to have antibodies against T. gondii, indicating previous infection. To date there have been approximately 100 such studies, of which at least three-fourths reported a positive association. In a 2012 meta-analysis of 38 such studies, Torrey et al12 reported an odds ratio (OR) of 2.7—compared to persons who have not been infected, those who have been infected with T. gondii were 2.7 times more likely to have schizophrenia.12 This study replicated the findings of a previous meta-analysis of 23 antibody studies, which also found an OR of 2.7.13
4. Compared with controls, individuals with schizophrenia or bipolar disorder are significantly more likely as a child to have lived in a home with a cat. Since 1995, 10 such studies have been published; 7 were positive, 2 were negative, and 1 was inconclusive.1 Torrey et al14 reviewed 2,025 individuals with schizophrenia or bipolar disorder and 4,847 controls and found that 51% of the cases and 43% of the controls had owned a cat before age 13; this difference was highly significant (P < .001). In fact, it is surprising that any study can find a statistically significant association between cat ownership and childhood psychosis. This is because a child who did not own a cat could become infected in many locations where cats have been present, including sandboxes at school, a babysitter’s or friend’s house, or a public park. And even if a child became infected at home, they would not necessarily have owned a cat, since the neighbor’s cat could have been responsible for the oocyst contamination.
Continue to: Epidemiologically...
5. Epidemiologically, there is a close temporal correlation between the rise of cats as pets and the rise of psychosis. This can be illustrated most clearly in England, where the rise of cat ownership has been documented by writers and where there is data on the rise of psychosis, especially in the 18th and 19th centuries.1
How many cases of psychosis might be caused by T. gondii?
In 2014, using data from the antibody studies discussed above,12,13 Smith15 sought to discover how many cases of psychosis might be caused by T. gondii. He concluded that 21% of cases of schizophrenia might have been caused by T. gondii. Based on the annual incidence of schizophrenia in the United States, this would mean an estimated >10,000 new cases of schizophrenia each year are attributable to this parasite.
Some researchers have found links between T. gondii and several nonpsychiatric diseases and conditions, including epilepsy and brain cancer (Box1,16-19).
Box
As interest in Toxoplasma gondii (T. gondii) has increased, researchers have looked for associations between this parasite with other diseases and conditions. Based on the literature, the following are of most interest:
Epilepsy. Since 1995, 16 studies1 have explored the relationship between T. gondii and epilepsy. A recent meta-analysis reported a statistically significant association between T. gondii and epilepsy.16
Brain cancer. Authors in 2 of 3 studies of meningiomas and 4 of 5 studies of gliomas reported statistically significant associations between these brain tumors and infection with T. gondii.1,17
Rheumatoid arthritis. Eight studies reported an increased prevalence of T. gondii antibodies in individuals with rheumatoid arthritis.1,18
Motor vehicle accidents. Infection with T. gondii is known to decrease motor reaction times in humans. At least 11 studies1 have examined whether infected individuals are more likely to have been involved in motor vehicle accidents. The results are mixed; the largest study reported a weak but statistically significant association.19
Clinical implications: What to tell patients about cats
What do these studies of toxoplasmosis imply for psychiatric care? As mental health professionals, part of our job is to educate our patients. Anything that appears to be a risk factor for the development of psychosis is thus of interest. Consider discussing the following with your patients.
Are cats safe? Cats that are kept exclusively indoors are safe pets because they are unlikely to become infected with T. gondii. However, cats that are allowed to go outdoors may not be safe, especially for children and young adults. What is needed is an effective vaccine that could be given to newborn kittens to prevent infection, but development of this type of vaccine has never been prioritized. At the community level, programs to decrease the number of stray and feral cats would also decrease the risk of infection.
Continue to: How to decrease risk
How to decrease risk. On a personal level, we can decrease T. gondii infections by not eating undercooked meat. Pregnant women and individuals who are immunocompromised should not change cat litter. When gardening, we should wear gloves because cats favor loose soil for depositing their feces. We should also protect children by covering sandboxes when not in use and by not allowing children to play in uncovered public sandboxes.
Treatment. Toxoplasmosis typically is treated with pyrimethamine, usually in combination with a sulfa drug. However, pyrimethamine does not cross the blood brain barrier and thus is ineffective when T. gondii infects the brain. The development of a drug that will effectively treat T. gondii in the brain should be a high priority.
For additional details on the studies discussed in this article as well as more resources on the impact T. gondii can have if proper precautions are not taken, see my open-access book at https://link.springer.com/book/10.1007/978-3-030-86811-6.
Bottom Line
Some evidence suggests that infection with Toxoplasma gondii (T. gondii) may cause psychotic symptoms, may increase an individual’s risk of developing psychosis, and may result in more severe psychotic symptoms. Cats can transmit T. gondii to humans. Educate patients that they can reduce their risk by keeping their cats inside, avoiding exposure to cat feces, particularly while pregnant or if immunocompromised, and not eating undercooked meat.
Related Resources
- Torrey EF. Parasites, Pussycats, and Psychosis: The Unknown Dangers of Human Toxoplasmosis. Springer Nature; 2022. https://link.springer.com/book/10.1007/978-3-030-86811-6
Drug Brand Names
Pyrimethamine • Daraprim
1. Torrey EF. Parasites, Pussycats, and Psychosis: The Unknown Dangers of Human Toxoplasmosis. Springer Nature; 2022. https://link.springer.com/book/10.1007/978-3-030-86811-6
2. Rohr JR, Barrett CB, Civitello DJ, et al. Emerging human infectious diseases and the links to global food production. Nat Sustain. 2019;2(6):445-456.
3. Joynson DHM. Preface. In: Joynson DHM, Wreghitt TG, eds. Toxoplasmosis: A Comprehensive Clinical Guide. Cambridge University Press; 2001:xi.
4. Bowie WR, King AS, Werker DH, et al. Outbreak of toxoplasmosis associated with municipal drinking water. Lancet. 1997;350(9072):173-177.
5. Stagno S, Dykes AC, Amos CS, et al. An outbreak of toxoplasmosis linked to cats. Pediatrics. 1980;65(4):706-712.
6. Teutsch SM, Juranek DD, Sulzer A, et al. Epidemic toxoplasmosis associated with infected cats. N Engl J Med. 1979;300(13):695-699.
7. Kaňková Š, Hlaváčová J, Flegr J. Oral sex: a new, and possibly the most dangerous, route of toxoplasmosis transmission. Med Hypotheses. 2020;141:109725.
8. Guerina NG, Hsu HW, Meissner HC, et al. Neonatal serologic screening and early treatment for congenital T. gondii infection. N Engl J Med. 1994;330(26):1858-1863.
9. Jones JL, Holland GN. Annual burden of ocular toxoplasmosis in the US. Am J Trop Med Hyg. 2010;82(3):464-465.
10. Ladee GA. Diagnostic problems in psychiatry with regard to acquired toxoplasmosis. Psychiatr Neurol Neurochir. 1966;69(1):65-82.
11. Holub D, Flegr J, Dragomirecká E, et al. Differences in onset of disease and severity of psychopathology between toxoplasmosis-related and toxoplasmosis-unrelated schizophrenia. Acta Psychiatr Scand. 2013;127(3):227-238.
12. Torrey EF, Bartko JJ, Yolken RH. T. gondii and other risk factors for schizophrenia: an update. Schizophr Bull. 2012;38(3):642-647.
13. Torrey EF, Bartko JJ, Lun ZR, et al. Antibodies to Toxoplasma gondii in patients with schizophrenia: a meta-analysis. Schizophr Bull. 2007;33:729-736.
14. Torrey EF, Simmons W, Yolken RH. Is childhood cat ownership a risk factor for schizophrenia later in life? Schizophr Res. 2015;165(1):1-2.
15. Smith G. Estimating the population attributable fraction for schizophrenia when T. gondii is assumed absent in human populations. Prev Vet Med. 2014;117(3-4):425-435.
16. Sadeghi M, Riahi SM, Mohammadi M, et al. An updated meta-analysis of the association between T. gondii infection and risk of epilepsy. Trans R Soc Trop Med Hyg. 2019;113(8):453-462.
17. Hodge JM, Coghill AE, Kim Y, et al. T. gondii infection and the risk of adult glioma in two prospective studies. Int J Cancer. 2021;148(10):2449-2456.
18. Hosseininejad Z, Sharif M, Sarvi S, et al. Toxoplasmosis seroprevalence in rheumatoid arthritis patients: a systematic review and meta-analysis. PLoS Negl Trop Dis. 2018;12(6):e0006545.
19. Burgdorf KS, Trabjerg BB, Pedersen MG, et al. Large-scale study of Toxoplasma and Cytomegalovirus shows an association between infection and serious psychiatric disorders. Brain Behav Immun. 2019; 79:152-158.
1. Torrey EF. Parasites, Pussycats, and Psychosis: The Unknown Dangers of Human Toxoplasmosis. Springer Nature; 2022. https://link.springer.com/book/10.1007/978-3-030-86811-6
2. Rohr JR, Barrett CB, Civitello DJ, et al. Emerging human infectious diseases and the links to global food production. Nat Sustain. 2019;2(6):445-456.
3. Joynson DHM. Preface. In: Joynson DHM, Wreghitt TG, eds. Toxoplasmosis: A Comprehensive Clinical Guide. Cambridge University Press; 2001:xi.
4. Bowie WR, King AS, Werker DH, et al. Outbreak of toxoplasmosis associated with municipal drinking water. Lancet. 1997;350(9072):173-177.
5. Stagno S, Dykes AC, Amos CS, et al. An outbreak of toxoplasmosis linked to cats. Pediatrics. 1980;65(4):706-712.
6. Teutsch SM, Juranek DD, Sulzer A, et al. Epidemic toxoplasmosis associated with infected cats. N Engl J Med. 1979;300(13):695-699.
7. Kaňková Š, Hlaváčová J, Flegr J. Oral sex: a new, and possibly the most dangerous, route of toxoplasmosis transmission. Med Hypotheses. 2020;141:109725.
8. Guerina NG, Hsu HW, Meissner HC, et al. Neonatal serologic screening and early treatment for congenital T. gondii infection. N Engl J Med. 1994;330(26):1858-1863.
9. Jones JL, Holland GN. Annual burden of ocular toxoplasmosis in the US. Am J Trop Med Hyg. 2010;82(3):464-465.
10. Ladee GA. Diagnostic problems in psychiatry with regard to acquired toxoplasmosis. Psychiatr Neurol Neurochir. 1966;69(1):65-82.
11. Holub D, Flegr J, Dragomirecká E, et al. Differences in onset of disease and severity of psychopathology between toxoplasmosis-related and toxoplasmosis-unrelated schizophrenia. Acta Psychiatr Scand. 2013;127(3):227-238.
12. Torrey EF, Bartko JJ, Yolken RH. T. gondii and other risk factors for schizophrenia: an update. Schizophr Bull. 2012;38(3):642-647.
13. Torrey EF, Bartko JJ, Lun ZR, et al. Antibodies to Toxoplasma gondii in patients with schizophrenia: a meta-analysis. Schizophr Bull. 2007;33:729-736.
14. Torrey EF, Simmons W, Yolken RH. Is childhood cat ownership a risk factor for schizophrenia later in life? Schizophr Res. 2015;165(1):1-2.
15. Smith G. Estimating the population attributable fraction for schizophrenia when T. gondii is assumed absent in human populations. Prev Vet Med. 2014;117(3-4):425-435.
16. Sadeghi M, Riahi SM, Mohammadi M, et al. An updated meta-analysis of the association between T. gondii infection and risk of epilepsy. Trans R Soc Trop Med Hyg. 2019;113(8):453-462.
17. Hodge JM, Coghill AE, Kim Y, et al. T. gondii infection and the risk of adult glioma in two prospective studies. Int J Cancer. 2021;148(10):2449-2456.
18. Hosseininejad Z, Sharif M, Sarvi S, et al. Toxoplasmosis seroprevalence in rheumatoid arthritis patients: a systematic review and meta-analysis. PLoS Negl Trop Dis. 2018;12(6):e0006545.
19. Burgdorf KS, Trabjerg BB, Pedersen MG, et al. Large-scale study of Toxoplasma and Cytomegalovirus shows an association between infection and serious psychiatric disorders. Brain Behav Immun. 2019; 79:152-158.
Psychodynamic factors in psychotropic prescribing
Medical noncompliance and patient resistance to treatment are frequent problems in medical practice. According to an older report by the US Office of Inspector General, approximately 125,000 people die each year in the United States because they do not take their medication properly.1 The World Health Organization reported that 10% to 25% of hospital and nursing home admissions are a result of patient noncompliance.2 In addition, approximately 50% of prescriptions filled for chronic diseases in developed nations are not taken correctly, and up to 40% of patients do not adhere to their treatment regimens.2 Among psychiatric patients, noncompliance with medications and other treatments ranges from 25% to 75%.3
In recent years, combining pharmacotherapy with psychodynamic psychotherapy has become a fairly common form of psychiatric practice. A main reason for combining these treatments is that a patient with severe psychiatric symptoms may be unable to engage in self-reflective insightful therapy until those symptoms are substantially relieved with pharmacotherapy. The efficacy of combined pharmacotherapy/psychotherapy may also be more than additive and result in a therapeutic alliance that is greater than the sum of the 2 individual treatments.4 Establishing a therapeutic alliance is critical to successful treatment, but this alliance can be distorted by the needs and expectations of both the patient and the clinician.
A psychodynamic understanding of the patient and the therapeutic alliance can facilitate combined treatment in several ways. It can lead to better communication, which in turn can lead to a realistic discussion of a patient’s fears and worries about any medications they have been prescribed. A dynamically aware clinician may better understand what the symptoms mean to the patient. Such clinicians will not only be able to explain the value of a medication, its target symptoms, and the rationale for taking it, but will also be able to discuss the psychological significance of the medication, along with its medical and biological significance.5
This article briefly reviews the therapeutic alliance and the influence of transference (the emotional reactions of the patient towards the clinician),6 countertransference (the emotional reactions of the clinician towards the patient),6 and patient resistance/nonadherence to treatment on the failure or success of pharmacotherapy. We provide case examples to illustrate how these psychodynamic factors can be at play in prescribing.
The therapeutic alliance
The therapeutic alliance is a rational agreement or contract between a patient and the clinician; it is a cornerstone of treatment in medicine.6 Its basic premise is that the patient’s rational expectation that their physician is appropriately qualified, will perform a suitable evaluation, and will prescribe relevant treatment is matched by the physician’s expectation that the patient will do their best to comply with treatment recommendations. For this to succeed, the contract needs to be straightforward, and there needs to be no covert agenda. A covert agenda may be in the form of unrealistic expectations and wishes rooted in insecure experiences in childhood by either party. A patient under stress may react to the physician with mistrust, excessive demands, and noncompliance. A physician under stress may react to a patient by becoming authoritative or indecisive, or by overmedicating or underprescribing.
Transference
Transference is a phenomenon whereby a patient’s feelings and attitudes are unconsciously transferred from a person or situation in the past to the clinician or treatment in the present.6 For example, a patient who is scared of a serious illness may adopt a helpless, childlike role and project an omnipotent, parentlike quality on the clinician (positive transference) that may be unrealistic. Positive transference may underlie a placebo response to medication in which a patient’s response is too quick or too complete, and it may be a way of unconsciously pleasing an authoritative parent figure from childhood. On the other hand, a patient may unconsciously view their physician as a controlling parent (negative transference) and react angrily or rebelliously. A patient’s flirtatious behavior toward their physician may be a form of transference from unresolved sexual trauma during childhood. However, not all patient reactions should be considered transference; a patient may be appropriately thankful and deferential, or irritated and questioning, depending on the clinician’s demeanor and treatment approach.
Countertransference
Countertransference is the response elicited in the physician by a patient’s appearance and behaviors, or by a patient’s transference projections.6 This response can be positive or negative and includes both feelings and associated thoughts related to the physician’s past experiences. For example, a physician in the emergency department may get angry with a patient with an alcohol use disorder because of the physician’s negative experiences with an alcoholic parent during childhood. On the other hand, a physician raised by a compulsive mother may order unnecessary tests on a demanding older female patient. Or, a clinician raised by a sheltering parent may react to a hapless and dependent patient by spending excessive time with them or providing additional medication samples. However, not all clinician reactions are countertransference. For example, a physician’s empathic or stoic demeanor may be an appropriate emotional response to a patient’s diagnosis such as cancer.
Continue to: Patient resistance/nonadherence
Patient resistance/nonadherence
In 1920, Freud conceptualized the psychodynamic factors in patient resistance to treatment and theorized that many patients were unconsciously reluctant to give up their symptoms or were driven, for transference reasons, to resist the physician.7 This same concept may underlie patient resistance to pharmacotherapy. When symptoms constitute an important defense mechanism, patients are likely to resist medication effects until they have developed more mature defenses or more effective ways of coping.8 Even when patients do not resist symptom relief, they may still resist the physician’s choice of treatment due to negative transference. Such patients often negotiate the type of medication, dose, timing of the dose, and start date as a way of trying to “keep control” of a “doctor they don’t quite trust.”8 They may manage their own medication regimen by taking more or less than the prescribed dose. This resistance might lead to a “nocebo” effect in which a medication trial fails not because of its ineffectiveness but instead from the unconscious mind influencing the patient’s body to resist. Nonadherence to treatment may occur in patients who have attachment difficulties that make it difficult for them to trust anyone as a result of negative childhood experiences.9 Clinicians need to recognize the dynamics of power struggles, control, and trust. A warm, collaborative and cooperative stance is likely to be more beneficial than an authoritative and detached approach.10
The following 3 case examples illustrate how psychodynamic factors such as transference and countertransference can influence the therapeutic alliance, treatment decisions, and the outcomes of pharmacotherapy.
CASE 1
Mr. A, age 63, has posttraumatic stress disorder originating from his father’s death by a self-inflicted gunshot wound when Mr. A was 19, and later from the symbolic loss of his mother when she remarried. He reported vivid memories of his father sexually assaulting his mother when he was 6. This fostered a protective nature in him for his mother, as well as for his 3 younger siblings. After his father’s suicide, Mr. A had to take on a paternal role for his 3 siblings. He often feels he grew up too quickly, and resents this. He feels his mother betrayed him when she got remarried. Mr. A attempts suicide, is admitted to a local hospital, and then follows up at a university hospital outpatient psychiatry clinic.
At the clinic, Mr. A begins psychodynamic psychotherapy with a female resident physician. They establish a good rapport. Mr. A begins working through his past traumas and looks forward to his therapy sessions. The physician views this as positive transference, perhaps because her personality style and appearance are similar to that of Mr. A’s mother. She also often notes a positive countertransference during sessions; Mr. A seemingly reminds her of her father in personality and appearance. Perhaps due to this positive transference/positive countertransference dynamic, Mr. A feels comfortable with having his medication regimen simplified after years of unsuccessful medication trials and a course of electroconvulsive therapy. His regimen soon consists of only a selective serotonin reuptake inhibitor and a glutamate modulator as an adjunct for anxiety. Psychotherapy sessions remain the mainstay of his treatment plan. Mr. A’s mood and anxiety improve significantly over a short time.
CASE 2
Ms. G, age 24, is admitted to a partial hospitalization program (PHP). Her diagnoses include seasonal affective disorder, anxiety, and attention-deficit/hyperactivity disorder (ADHD); she might have a genetic disposition to bipolar disorder. Ms. G recently had attempted suicide and was discharged from an inpatient unit. She is a middle child and was raised by emotionally and verbally abusive parents in a tumultuous household. Her father rarely kept a job for more than a few months, displayed rage, and lacked empathy. Ms. G feels unloved by her mother and says that her mother is emotionally unstable. Upon admission to the PHP, Ms. G is quick to question the credentials of every staff member she meets, and suggests the abuse and lack of trust she had experienced during her formative years have made her aggressive and paranoid.
Continue to: Since her teens...
Since her teens, Ms. G had received treatment for ADHD with various stimulant and nonstimulant medications that were prescribed by an outpatient psychiatrist. During her sophomore year of college, she was also prescribed medications for depression and anxiety. Ms. G speaks very highly of and praises the skill of her previous psychiatrist while voicing concerns about having to see new clinicians in the PHP. She had recently seen a therapist who moved out of state after a few sessions. Ms. G has abandonment fears and appears to react with anger toward new clinicians.
A negative transference towards Ms. G’s treatment team and the PHP as a whole are evident during the first week. She skips most group therapy sessions and criticizes the clinicians’ skills and training as ineffective. When her psychiatrist recommends changes in medication, she initially argues. She eventually agrees to take a new medication but soon reports intolerable adverse effects, which suggests negative transference toward the psychiatrist as an authority figure, and toward the medication as an extension of the psychiatrist. The treatment team also interprets this as nocebo effect. Ms. G engages in “splitting” by complaining about her psychiatrist to her therapist. The psychiatrist resents having been belittled. Ms. G demands to see a different psychiatrist, and when her demands are not met, she discharges herself from the PHP against medical advice. The treatment team interprets Ms. G’s resistance to treatment to have resulted from poor attachment during childhood and subsequent negative transference.
CASE 3
Ms. U, age 60, is seen at a local mental health center and diagnosed with major depressive disorder, likely resulting from grief and loss from her husband’s recent death. She was raised by her single mother and mostly absent father. Ms. U is a homemaker and had been married for more than 30 years. She participates in weekly psychotherapy with a young male psychiatrist, who prescribes an antidepressant. Ms. U is eager to please and makes every effort to be the perfect patient: she is always early for her appointments, takes her medications as prescribed, and frequently expresses her respect and appreciation for her psychiatrist. Within a few weeks, Ms. U’s depressive symptoms rapidly improve.
Ms. U is a talented and avid knit and crochet expert. At an appointment soon before Christmas, she gives her psychiatrist a pair of socks she knitted. While the gift is of little monetary value, the psychiatrist interprets this as part of transference, but the intimate nature of the gift makes him uncomfortable. He and Ms. U discuss this at length, which reveals definite transference as Ms. U says the psychiatrist perhaps reminds her of her husband, who also had brown skin. It is also apparent that Ms. U’s tendency to please perhaps comes from the lack of having a father figure, which her husband had fulfilled. The psychiatrist believes that Ms. U’s rapid response may be a placebo effect from positive transference. Upon further reflection, the psychiatrist realizes that Ms. U is a motherly figure to him, and that positive countertransference is at play in that he could not turn down the gift and had looked forward to the therapy sessions with her.
Bottom Line
Even clinicians who do not provide psychodynamic psychotherapy can use an awareness of psychodynamic factors to improve treatment. Psychodynamic factors such as transference and countertransference can influence the therapeutic alliance, treatment decisions, and patient outcomes. Patients’ experiences and difficulties with attachment during childhood should be recognized and addressed as part of pharmacotherapy.
Related Resources
- Neumann M, Silva N, Opler DJ. ARISE to supportive psychotherapy. Current Psychiatry. 2021;20(5):48-49. doi:10.12788/cp.0123
- Mintz D. Psychodynamic psychopharmacology. Psychiatric Times. 2011;28(9). https://www.psychiatrictimes.com/view/psychodynamic-psychopharmacology
1. Office of Inspector General, Office of Evaluation and Inspections. Medication Regimens: Causes of Noncompliance. 1990. Accessed April 13, 2022. https://oig.hhs.gov/oei/reports/oei-04-89-89121.pdf
2. World Health Organization. Adherence to Long Term Therapies: Evidence for Action. World Health Organization; 2003.
3. Powell AD. The medication life. J Psychother Pract Res. 2001;10(4):217-222.
4. Wright JH, Hollifield M. Combining pharmacotherapy and psychotherapy. Psychiatric Annals. 2006;36(5):302-305.
5. Summers RF, Barber JP. Psychodynamic Therapy: A Guide to Evidence-Based Practice. Guilford Press; 2013:265-290.
6. Hughes P, Kerr I. Transference and countertransference in communication between doctor and patient. Advances in Psychiatric Treatment. 2000;6(1):57-64.
7. Freud S. Resistance and suppression. In: Freud S. A General Introduction to Psychoanalysis. Boni and Liveright Publishers; 1920:248-261.
8. Vlastelica M. Psychodynamic approach as a creative factor in psychopharmacotherapy. Psychiatr Danub. 2013;25(3):316-319.
9. Alfonso CA. Understanding the psychodynamics of nonadherence. Psychiatric Times. 2011;28(5). Accessed April 13, 2022. https://www.psychiatrictimes.com/view/understanding-psychodynamics-nonadherence
10. Wallin DJ. Attachment in Psychotherapy. Guilford Press; 2007.
Medical noncompliance and patient resistance to treatment are frequent problems in medical practice. According to an older report by the US Office of Inspector General, approximately 125,000 people die each year in the United States because they do not take their medication properly.1 The World Health Organization reported that 10% to 25% of hospital and nursing home admissions are a result of patient noncompliance.2 In addition, approximately 50% of prescriptions filled for chronic diseases in developed nations are not taken correctly, and up to 40% of patients do not adhere to their treatment regimens.2 Among psychiatric patients, noncompliance with medications and other treatments ranges from 25% to 75%.3
In recent years, combining pharmacotherapy with psychodynamic psychotherapy has become a fairly common form of psychiatric practice. A main reason for combining these treatments is that a patient with severe psychiatric symptoms may be unable to engage in self-reflective insightful therapy until those symptoms are substantially relieved with pharmacotherapy. The efficacy of combined pharmacotherapy/psychotherapy may also be more than additive and result in a therapeutic alliance that is greater than the sum of the 2 individual treatments.4 Establishing a therapeutic alliance is critical to successful treatment, but this alliance can be distorted by the needs and expectations of both the patient and the clinician.
A psychodynamic understanding of the patient and the therapeutic alliance can facilitate combined treatment in several ways. It can lead to better communication, which in turn can lead to a realistic discussion of a patient’s fears and worries about any medications they have been prescribed. A dynamically aware clinician may better understand what the symptoms mean to the patient. Such clinicians will not only be able to explain the value of a medication, its target symptoms, and the rationale for taking it, but will also be able to discuss the psychological significance of the medication, along with its medical and biological significance.5
This article briefly reviews the therapeutic alliance and the influence of transference (the emotional reactions of the patient towards the clinician),6 countertransference (the emotional reactions of the clinician towards the patient),6 and patient resistance/nonadherence to treatment on the failure or success of pharmacotherapy. We provide case examples to illustrate how these psychodynamic factors can be at play in prescribing.
The therapeutic alliance
The therapeutic alliance is a rational agreement or contract between a patient and the clinician; it is a cornerstone of treatment in medicine.6 Its basic premise is that the patient’s rational expectation that their physician is appropriately qualified, will perform a suitable evaluation, and will prescribe relevant treatment is matched by the physician’s expectation that the patient will do their best to comply with treatment recommendations. For this to succeed, the contract needs to be straightforward, and there needs to be no covert agenda. A covert agenda may be in the form of unrealistic expectations and wishes rooted in insecure experiences in childhood by either party. A patient under stress may react to the physician with mistrust, excessive demands, and noncompliance. A physician under stress may react to a patient by becoming authoritative or indecisive, or by overmedicating or underprescribing.
Transference
Transference is a phenomenon whereby a patient’s feelings and attitudes are unconsciously transferred from a person or situation in the past to the clinician or treatment in the present.6 For example, a patient who is scared of a serious illness may adopt a helpless, childlike role and project an omnipotent, parentlike quality on the clinician (positive transference) that may be unrealistic. Positive transference may underlie a placebo response to medication in which a patient’s response is too quick or too complete, and it may be a way of unconsciously pleasing an authoritative parent figure from childhood. On the other hand, a patient may unconsciously view their physician as a controlling parent (negative transference) and react angrily or rebelliously. A patient’s flirtatious behavior toward their physician may be a form of transference from unresolved sexual trauma during childhood. However, not all patient reactions should be considered transference; a patient may be appropriately thankful and deferential, or irritated and questioning, depending on the clinician’s demeanor and treatment approach.
Countertransference
Countertransference is the response elicited in the physician by a patient’s appearance and behaviors, or by a patient’s transference projections.6 This response can be positive or negative and includes both feelings and associated thoughts related to the physician’s past experiences. For example, a physician in the emergency department may get angry with a patient with an alcohol use disorder because of the physician’s negative experiences with an alcoholic parent during childhood. On the other hand, a physician raised by a compulsive mother may order unnecessary tests on a demanding older female patient. Or, a clinician raised by a sheltering parent may react to a hapless and dependent patient by spending excessive time with them or providing additional medication samples. However, not all clinician reactions are countertransference. For example, a physician’s empathic or stoic demeanor may be an appropriate emotional response to a patient’s diagnosis such as cancer.
Continue to: Patient resistance/nonadherence
Patient resistance/nonadherence
In 1920, Freud conceptualized the psychodynamic factors in patient resistance to treatment and theorized that many patients were unconsciously reluctant to give up their symptoms or were driven, for transference reasons, to resist the physician.7 This same concept may underlie patient resistance to pharmacotherapy. When symptoms constitute an important defense mechanism, patients are likely to resist medication effects until they have developed more mature defenses or more effective ways of coping.8 Even when patients do not resist symptom relief, they may still resist the physician’s choice of treatment due to negative transference. Such patients often negotiate the type of medication, dose, timing of the dose, and start date as a way of trying to “keep control” of a “doctor they don’t quite trust.”8 They may manage their own medication regimen by taking more or less than the prescribed dose. This resistance might lead to a “nocebo” effect in which a medication trial fails not because of its ineffectiveness but instead from the unconscious mind influencing the patient’s body to resist. Nonadherence to treatment may occur in patients who have attachment difficulties that make it difficult for them to trust anyone as a result of negative childhood experiences.9 Clinicians need to recognize the dynamics of power struggles, control, and trust. A warm, collaborative and cooperative stance is likely to be more beneficial than an authoritative and detached approach.10
The following 3 case examples illustrate how psychodynamic factors such as transference and countertransference can influence the therapeutic alliance, treatment decisions, and the outcomes of pharmacotherapy.
CASE 1
Mr. A, age 63, has posttraumatic stress disorder originating from his father’s death by a self-inflicted gunshot wound when Mr. A was 19, and later from the symbolic loss of his mother when she remarried. He reported vivid memories of his father sexually assaulting his mother when he was 6. This fostered a protective nature in him for his mother, as well as for his 3 younger siblings. After his father’s suicide, Mr. A had to take on a paternal role for his 3 siblings. He often feels he grew up too quickly, and resents this. He feels his mother betrayed him when she got remarried. Mr. A attempts suicide, is admitted to a local hospital, and then follows up at a university hospital outpatient psychiatry clinic.
At the clinic, Mr. A begins psychodynamic psychotherapy with a female resident physician. They establish a good rapport. Mr. A begins working through his past traumas and looks forward to his therapy sessions. The physician views this as positive transference, perhaps because her personality style and appearance are similar to that of Mr. A’s mother. She also often notes a positive countertransference during sessions; Mr. A seemingly reminds her of her father in personality and appearance. Perhaps due to this positive transference/positive countertransference dynamic, Mr. A feels comfortable with having his medication regimen simplified after years of unsuccessful medication trials and a course of electroconvulsive therapy. His regimen soon consists of only a selective serotonin reuptake inhibitor and a glutamate modulator as an adjunct for anxiety. Psychotherapy sessions remain the mainstay of his treatment plan. Mr. A’s mood and anxiety improve significantly over a short time.
CASE 2
Ms. G, age 24, is admitted to a partial hospitalization program (PHP). Her diagnoses include seasonal affective disorder, anxiety, and attention-deficit/hyperactivity disorder (ADHD); she might have a genetic disposition to bipolar disorder. Ms. G recently had attempted suicide and was discharged from an inpatient unit. She is a middle child and was raised by emotionally and verbally abusive parents in a tumultuous household. Her father rarely kept a job for more than a few months, displayed rage, and lacked empathy. Ms. G feels unloved by her mother and says that her mother is emotionally unstable. Upon admission to the PHP, Ms. G is quick to question the credentials of every staff member she meets, and suggests the abuse and lack of trust she had experienced during her formative years have made her aggressive and paranoid.
Continue to: Since her teens...
Since her teens, Ms. G had received treatment for ADHD with various stimulant and nonstimulant medications that were prescribed by an outpatient psychiatrist. During her sophomore year of college, she was also prescribed medications for depression and anxiety. Ms. G speaks very highly of and praises the skill of her previous psychiatrist while voicing concerns about having to see new clinicians in the PHP. She had recently seen a therapist who moved out of state after a few sessions. Ms. G has abandonment fears and appears to react with anger toward new clinicians.
A negative transference towards Ms. G’s treatment team and the PHP as a whole are evident during the first week. She skips most group therapy sessions and criticizes the clinicians’ skills and training as ineffective. When her psychiatrist recommends changes in medication, she initially argues. She eventually agrees to take a new medication but soon reports intolerable adverse effects, which suggests negative transference toward the psychiatrist as an authority figure, and toward the medication as an extension of the psychiatrist. The treatment team also interprets this as nocebo effect. Ms. G engages in “splitting” by complaining about her psychiatrist to her therapist. The psychiatrist resents having been belittled. Ms. G demands to see a different psychiatrist, and when her demands are not met, she discharges herself from the PHP against medical advice. The treatment team interprets Ms. G’s resistance to treatment to have resulted from poor attachment during childhood and subsequent negative transference.
CASE 3
Ms. U, age 60, is seen at a local mental health center and diagnosed with major depressive disorder, likely resulting from grief and loss from her husband’s recent death. She was raised by her single mother and mostly absent father. Ms. U is a homemaker and had been married for more than 30 years. She participates in weekly psychotherapy with a young male psychiatrist, who prescribes an antidepressant. Ms. U is eager to please and makes every effort to be the perfect patient: she is always early for her appointments, takes her medications as prescribed, and frequently expresses her respect and appreciation for her psychiatrist. Within a few weeks, Ms. U’s depressive symptoms rapidly improve.
Ms. U is a talented and avid knit and crochet expert. At an appointment soon before Christmas, she gives her psychiatrist a pair of socks she knitted. While the gift is of little monetary value, the psychiatrist interprets this as part of transference, but the intimate nature of the gift makes him uncomfortable. He and Ms. U discuss this at length, which reveals definite transference as Ms. U says the psychiatrist perhaps reminds her of her husband, who also had brown skin. It is also apparent that Ms. U’s tendency to please perhaps comes from the lack of having a father figure, which her husband had fulfilled. The psychiatrist believes that Ms. U’s rapid response may be a placebo effect from positive transference. Upon further reflection, the psychiatrist realizes that Ms. U is a motherly figure to him, and that positive countertransference is at play in that he could not turn down the gift and had looked forward to the therapy sessions with her.
Bottom Line
Even clinicians who do not provide psychodynamic psychotherapy can use an awareness of psychodynamic factors to improve treatment. Psychodynamic factors such as transference and countertransference can influence the therapeutic alliance, treatment decisions, and patient outcomes. Patients’ experiences and difficulties with attachment during childhood should be recognized and addressed as part of pharmacotherapy.
Related Resources
- Neumann M, Silva N, Opler DJ. ARISE to supportive psychotherapy. Current Psychiatry. 2021;20(5):48-49. doi:10.12788/cp.0123
- Mintz D. Psychodynamic psychopharmacology. Psychiatric Times. 2011;28(9). https://www.psychiatrictimes.com/view/psychodynamic-psychopharmacology
Medical noncompliance and patient resistance to treatment are frequent problems in medical practice. According to an older report by the US Office of Inspector General, approximately 125,000 people die each year in the United States because they do not take their medication properly.1 The World Health Organization reported that 10% to 25% of hospital and nursing home admissions are a result of patient noncompliance.2 In addition, approximately 50% of prescriptions filled for chronic diseases in developed nations are not taken correctly, and up to 40% of patients do not adhere to their treatment regimens.2 Among psychiatric patients, noncompliance with medications and other treatments ranges from 25% to 75%.3
In recent years, combining pharmacotherapy with psychodynamic psychotherapy has become a fairly common form of psychiatric practice. A main reason for combining these treatments is that a patient with severe psychiatric symptoms may be unable to engage in self-reflective insightful therapy until those symptoms are substantially relieved with pharmacotherapy. The efficacy of combined pharmacotherapy/psychotherapy may also be more than additive and result in a therapeutic alliance that is greater than the sum of the 2 individual treatments.4 Establishing a therapeutic alliance is critical to successful treatment, but this alliance can be distorted by the needs and expectations of both the patient and the clinician.
A psychodynamic understanding of the patient and the therapeutic alliance can facilitate combined treatment in several ways. It can lead to better communication, which in turn can lead to a realistic discussion of a patient’s fears and worries about any medications they have been prescribed. A dynamically aware clinician may better understand what the symptoms mean to the patient. Such clinicians will not only be able to explain the value of a medication, its target symptoms, and the rationale for taking it, but will also be able to discuss the psychological significance of the medication, along with its medical and biological significance.5
This article briefly reviews the therapeutic alliance and the influence of transference (the emotional reactions of the patient towards the clinician),6 countertransference (the emotional reactions of the clinician towards the patient),6 and patient resistance/nonadherence to treatment on the failure or success of pharmacotherapy. We provide case examples to illustrate how these psychodynamic factors can be at play in prescribing.
The therapeutic alliance
The therapeutic alliance is a rational agreement or contract between a patient and the clinician; it is a cornerstone of treatment in medicine.6 Its basic premise is that the patient’s rational expectation that their physician is appropriately qualified, will perform a suitable evaluation, and will prescribe relevant treatment is matched by the physician’s expectation that the patient will do their best to comply with treatment recommendations. For this to succeed, the contract needs to be straightforward, and there needs to be no covert agenda. A covert agenda may be in the form of unrealistic expectations and wishes rooted in insecure experiences in childhood by either party. A patient under stress may react to the physician with mistrust, excessive demands, and noncompliance. A physician under stress may react to a patient by becoming authoritative or indecisive, or by overmedicating or underprescribing.
Transference
Transference is a phenomenon whereby a patient’s feelings and attitudes are unconsciously transferred from a person or situation in the past to the clinician or treatment in the present.6 For example, a patient who is scared of a serious illness may adopt a helpless, childlike role and project an omnipotent, parentlike quality on the clinician (positive transference) that may be unrealistic. Positive transference may underlie a placebo response to medication in which a patient’s response is too quick or too complete, and it may be a way of unconsciously pleasing an authoritative parent figure from childhood. On the other hand, a patient may unconsciously view their physician as a controlling parent (negative transference) and react angrily or rebelliously. A patient’s flirtatious behavior toward their physician may be a form of transference from unresolved sexual trauma during childhood. However, not all patient reactions should be considered transference; a patient may be appropriately thankful and deferential, or irritated and questioning, depending on the clinician’s demeanor and treatment approach.
Countertransference
Countertransference is the response elicited in the physician by a patient’s appearance and behaviors, or by a patient’s transference projections.6 This response can be positive or negative and includes both feelings and associated thoughts related to the physician’s past experiences. For example, a physician in the emergency department may get angry with a patient with an alcohol use disorder because of the physician’s negative experiences with an alcoholic parent during childhood. On the other hand, a physician raised by a compulsive mother may order unnecessary tests on a demanding older female patient. Or, a clinician raised by a sheltering parent may react to a hapless and dependent patient by spending excessive time with them or providing additional medication samples. However, not all clinician reactions are countertransference. For example, a physician’s empathic or stoic demeanor may be an appropriate emotional response to a patient’s diagnosis such as cancer.
Continue to: Patient resistance/nonadherence
Patient resistance/nonadherence
In 1920, Freud conceptualized the psychodynamic factors in patient resistance to treatment and theorized that many patients were unconsciously reluctant to give up their symptoms or were driven, for transference reasons, to resist the physician.7 This same concept may underlie patient resistance to pharmacotherapy. When symptoms constitute an important defense mechanism, patients are likely to resist medication effects until they have developed more mature defenses or more effective ways of coping.8 Even when patients do not resist symptom relief, they may still resist the physician’s choice of treatment due to negative transference. Such patients often negotiate the type of medication, dose, timing of the dose, and start date as a way of trying to “keep control” of a “doctor they don’t quite trust.”8 They may manage their own medication regimen by taking more or less than the prescribed dose. This resistance might lead to a “nocebo” effect in which a medication trial fails not because of its ineffectiveness but instead from the unconscious mind influencing the patient’s body to resist. Nonadherence to treatment may occur in patients who have attachment difficulties that make it difficult for them to trust anyone as a result of negative childhood experiences.9 Clinicians need to recognize the dynamics of power struggles, control, and trust. A warm, collaborative and cooperative stance is likely to be more beneficial than an authoritative and detached approach.10
The following 3 case examples illustrate how psychodynamic factors such as transference and countertransference can influence the therapeutic alliance, treatment decisions, and the outcomes of pharmacotherapy.
CASE 1
Mr. A, age 63, has posttraumatic stress disorder originating from his father’s death by a self-inflicted gunshot wound when Mr. A was 19, and later from the symbolic loss of his mother when she remarried. He reported vivid memories of his father sexually assaulting his mother when he was 6. This fostered a protective nature in him for his mother, as well as for his 3 younger siblings. After his father’s suicide, Mr. A had to take on a paternal role for his 3 siblings. He often feels he grew up too quickly, and resents this. He feels his mother betrayed him when she got remarried. Mr. A attempts suicide, is admitted to a local hospital, and then follows up at a university hospital outpatient psychiatry clinic.
At the clinic, Mr. A begins psychodynamic psychotherapy with a female resident physician. They establish a good rapport. Mr. A begins working through his past traumas and looks forward to his therapy sessions. The physician views this as positive transference, perhaps because her personality style and appearance are similar to that of Mr. A’s mother. She also often notes a positive countertransference during sessions; Mr. A seemingly reminds her of her father in personality and appearance. Perhaps due to this positive transference/positive countertransference dynamic, Mr. A feels comfortable with having his medication regimen simplified after years of unsuccessful medication trials and a course of electroconvulsive therapy. His regimen soon consists of only a selective serotonin reuptake inhibitor and a glutamate modulator as an adjunct for anxiety. Psychotherapy sessions remain the mainstay of his treatment plan. Mr. A’s mood and anxiety improve significantly over a short time.
CASE 2
Ms. G, age 24, is admitted to a partial hospitalization program (PHP). Her diagnoses include seasonal affective disorder, anxiety, and attention-deficit/hyperactivity disorder (ADHD); she might have a genetic disposition to bipolar disorder. Ms. G recently had attempted suicide and was discharged from an inpatient unit. She is a middle child and was raised by emotionally and verbally abusive parents in a tumultuous household. Her father rarely kept a job for more than a few months, displayed rage, and lacked empathy. Ms. G feels unloved by her mother and says that her mother is emotionally unstable. Upon admission to the PHP, Ms. G is quick to question the credentials of every staff member she meets, and suggests the abuse and lack of trust she had experienced during her formative years have made her aggressive and paranoid.
Continue to: Since her teens...
Since her teens, Ms. G had received treatment for ADHD with various stimulant and nonstimulant medications that were prescribed by an outpatient psychiatrist. During her sophomore year of college, she was also prescribed medications for depression and anxiety. Ms. G speaks very highly of and praises the skill of her previous psychiatrist while voicing concerns about having to see new clinicians in the PHP. She had recently seen a therapist who moved out of state after a few sessions. Ms. G has abandonment fears and appears to react with anger toward new clinicians.
A negative transference towards Ms. G’s treatment team and the PHP as a whole are evident during the first week. She skips most group therapy sessions and criticizes the clinicians’ skills and training as ineffective. When her psychiatrist recommends changes in medication, she initially argues. She eventually agrees to take a new medication but soon reports intolerable adverse effects, which suggests negative transference toward the psychiatrist as an authority figure, and toward the medication as an extension of the psychiatrist. The treatment team also interprets this as nocebo effect. Ms. G engages in “splitting” by complaining about her psychiatrist to her therapist. The psychiatrist resents having been belittled. Ms. G demands to see a different psychiatrist, and when her demands are not met, she discharges herself from the PHP against medical advice. The treatment team interprets Ms. G’s resistance to treatment to have resulted from poor attachment during childhood and subsequent negative transference.
CASE 3
Ms. U, age 60, is seen at a local mental health center and diagnosed with major depressive disorder, likely resulting from grief and loss from her husband’s recent death. She was raised by her single mother and mostly absent father. Ms. U is a homemaker and had been married for more than 30 years. She participates in weekly psychotherapy with a young male psychiatrist, who prescribes an antidepressant. Ms. U is eager to please and makes every effort to be the perfect patient: she is always early for her appointments, takes her medications as prescribed, and frequently expresses her respect and appreciation for her psychiatrist. Within a few weeks, Ms. U’s depressive symptoms rapidly improve.
Ms. U is a talented and avid knit and crochet expert. At an appointment soon before Christmas, she gives her psychiatrist a pair of socks she knitted. While the gift is of little monetary value, the psychiatrist interprets this as part of transference, but the intimate nature of the gift makes him uncomfortable. He and Ms. U discuss this at length, which reveals definite transference as Ms. U says the psychiatrist perhaps reminds her of her husband, who also had brown skin. It is also apparent that Ms. U’s tendency to please perhaps comes from the lack of having a father figure, which her husband had fulfilled. The psychiatrist believes that Ms. U’s rapid response may be a placebo effect from positive transference. Upon further reflection, the psychiatrist realizes that Ms. U is a motherly figure to him, and that positive countertransference is at play in that he could not turn down the gift and had looked forward to the therapy sessions with her.
Bottom Line
Even clinicians who do not provide psychodynamic psychotherapy can use an awareness of psychodynamic factors to improve treatment. Psychodynamic factors such as transference and countertransference can influence the therapeutic alliance, treatment decisions, and patient outcomes. Patients’ experiences and difficulties with attachment during childhood should be recognized and addressed as part of pharmacotherapy.
Related Resources
- Neumann M, Silva N, Opler DJ. ARISE to supportive psychotherapy. Current Psychiatry. 2021;20(5):48-49. doi:10.12788/cp.0123
- Mintz D. Psychodynamic psychopharmacology. Psychiatric Times. 2011;28(9). https://www.psychiatrictimes.com/view/psychodynamic-psychopharmacology
1. Office of Inspector General, Office of Evaluation and Inspections. Medication Regimens: Causes of Noncompliance. 1990. Accessed April 13, 2022. https://oig.hhs.gov/oei/reports/oei-04-89-89121.pdf
2. World Health Organization. Adherence to Long Term Therapies: Evidence for Action. World Health Organization; 2003.
3. Powell AD. The medication life. J Psychother Pract Res. 2001;10(4):217-222.
4. Wright JH, Hollifield M. Combining pharmacotherapy and psychotherapy. Psychiatric Annals. 2006;36(5):302-305.
5. Summers RF, Barber JP. Psychodynamic Therapy: A Guide to Evidence-Based Practice. Guilford Press; 2013:265-290.
6. Hughes P, Kerr I. Transference and countertransference in communication between doctor and patient. Advances in Psychiatric Treatment. 2000;6(1):57-64.
7. Freud S. Resistance and suppression. In: Freud S. A General Introduction to Psychoanalysis. Boni and Liveright Publishers; 1920:248-261.
8. Vlastelica M. Psychodynamic approach as a creative factor in psychopharmacotherapy. Psychiatr Danub. 2013;25(3):316-319.
9. Alfonso CA. Understanding the psychodynamics of nonadherence. Psychiatric Times. 2011;28(5). Accessed April 13, 2022. https://www.psychiatrictimes.com/view/understanding-psychodynamics-nonadherence
10. Wallin DJ. Attachment in Psychotherapy. Guilford Press; 2007.
1. Office of Inspector General, Office of Evaluation and Inspections. Medication Regimens: Causes of Noncompliance. 1990. Accessed April 13, 2022. https://oig.hhs.gov/oei/reports/oei-04-89-89121.pdf
2. World Health Organization. Adherence to Long Term Therapies: Evidence for Action. World Health Organization; 2003.
3. Powell AD. The medication life. J Psychother Pract Res. 2001;10(4):217-222.
4. Wright JH, Hollifield M. Combining pharmacotherapy and psychotherapy. Psychiatric Annals. 2006;36(5):302-305.
5. Summers RF, Barber JP. Psychodynamic Therapy: A Guide to Evidence-Based Practice. Guilford Press; 2013:265-290.
6. Hughes P, Kerr I. Transference and countertransference in communication between doctor and patient. Advances in Psychiatric Treatment. 2000;6(1):57-64.
7. Freud S. Resistance and suppression. In: Freud S. A General Introduction to Psychoanalysis. Boni and Liveright Publishers; 1920:248-261.
8. Vlastelica M. Psychodynamic approach as a creative factor in psychopharmacotherapy. Psychiatr Danub. 2013;25(3):316-319.
9. Alfonso CA. Understanding the psychodynamics of nonadherence. Psychiatric Times. 2011;28(5). Accessed April 13, 2022. https://www.psychiatrictimes.com/view/understanding-psychodynamics-nonadherence
10. Wallin DJ. Attachment in Psychotherapy. Guilford Press; 2007.
