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New guidelines on antimicrobial prophylaxis

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Cancer patient receiving treatment

Experts have published updated guidelines on antimicrobial prophylaxis for adults with cancer-related immunosuppression.

The guidelines include antibacterial, antifungal, and antiviral prophylaxis recommendations, along with additional precautions, such as hand hygiene, that may reduce infection risk.

The guidelines were developed by the American Society of Clinical Oncology (ASCO) with the Infectious Diseases Society of America (IDSA) and published in the Journal of Clinical Oncology.

For the most part, the expert panel that created these guidelines endorsed the previous ASCO recommendations, published in 2013.

However, the panel considered six new studies and six new or updated meta-analyses to make modifications and add some new recommendations.

Recommendations

The ASCO/IDSA guidelines say health care providers should systematically assess the risk of febrile neutropenia, taking into account patient-, cancer-, and treatment-related factors.

Fluoroquinolone prophylaxis is recommended for patients at high risk of febrile neutropenia or profound, protracted neutropenia. This includes most patients with acute myeloid leukemia (AML) or myelodysplastic syndromes (MDS) and patients undergoing hematopoietic stem cell transplant (HSCT) who are treated with myeloablative conditioning regimens.

Antifungal prophylaxis with an oral triazole or parenteral echinocandin is recommended for patients at risk of profound, protracted neutropenia, which includes HSCT recipients and most patients with AML/MDS.

However, neither antifungal nor antibiotic prophylaxis are routinely recommended for patients with solid tumors.

Prophylaxis with a nucleoside analog, such as acyclovir, is recommended in patients who are herpes simplex virus–seropositive and are undergoing allogeneic HSCT or leukemia induction.

Pneumocystis jirovecii prophylaxis, such as trimethoprim-sulfamethoxazole, is recommended for patients receiving chemotherapy regimens associated with a greater than 3.5% risk for pneumonia from P jirovecii.

Treatment with a nucleoside reverse transcription inhibitor, such as entecavir or tenofovir, is recommended for patients at high risk of hepatitis B virus reactivation.

Yearly influenza vaccination with an inactivated quadrivalent vaccine is recommended for all patients undergoing chemotherapy for malignancy as well as their family members, household contacts, and health care providers.

Health care workers should follow hand hygiene and respiratory hygiene/cough etiquette to reduce the risk of pathogen transmission, according to the guidelines.

The guidelines also note that outpatients who develop neutropenia following cancer therapy should avoid prolonged contact with environments that have high concentrations of airborne fungal spores.

The guidelines do not recommend interventions such as neutropenic diet, footwear exchange, nutritional supplements, and surgical masks. “Evidence of clinical benefit is lacking” for those interventions, the expert panel said.

Members of the expert panel disclosed potential conflicts of interest related to Merck, Chimerix, GlyPharma Therapeutic, Pfizer, Cidara Therapeutics, Celgene, Astellas Pharma, Gilead Sciences, and Allergan, among other entities.

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Photo by Rhoda Baer
Cancer patient receiving treatment

Experts have published updated guidelines on antimicrobial prophylaxis for adults with cancer-related immunosuppression.

The guidelines include antibacterial, antifungal, and antiviral prophylaxis recommendations, along with additional precautions, such as hand hygiene, that may reduce infection risk.

The guidelines were developed by the American Society of Clinical Oncology (ASCO) with the Infectious Diseases Society of America (IDSA) and published in the Journal of Clinical Oncology.

For the most part, the expert panel that created these guidelines endorsed the previous ASCO recommendations, published in 2013.

However, the panel considered six new studies and six new or updated meta-analyses to make modifications and add some new recommendations.

Recommendations

The ASCO/IDSA guidelines say health care providers should systematically assess the risk of febrile neutropenia, taking into account patient-, cancer-, and treatment-related factors.

Fluoroquinolone prophylaxis is recommended for patients at high risk of febrile neutropenia or profound, protracted neutropenia. This includes most patients with acute myeloid leukemia (AML) or myelodysplastic syndromes (MDS) and patients undergoing hematopoietic stem cell transplant (HSCT) who are treated with myeloablative conditioning regimens.

Antifungal prophylaxis with an oral triazole or parenteral echinocandin is recommended for patients at risk of profound, protracted neutropenia, which includes HSCT recipients and most patients with AML/MDS.

However, neither antifungal nor antibiotic prophylaxis are routinely recommended for patients with solid tumors.

Prophylaxis with a nucleoside analog, such as acyclovir, is recommended in patients who are herpes simplex virus–seropositive and are undergoing allogeneic HSCT or leukemia induction.

Pneumocystis jirovecii prophylaxis, such as trimethoprim-sulfamethoxazole, is recommended for patients receiving chemotherapy regimens associated with a greater than 3.5% risk for pneumonia from P jirovecii.

Treatment with a nucleoside reverse transcription inhibitor, such as entecavir or tenofovir, is recommended for patients at high risk of hepatitis B virus reactivation.

Yearly influenza vaccination with an inactivated quadrivalent vaccine is recommended for all patients undergoing chemotherapy for malignancy as well as their family members, household contacts, and health care providers.

Health care workers should follow hand hygiene and respiratory hygiene/cough etiquette to reduce the risk of pathogen transmission, according to the guidelines.

The guidelines also note that outpatients who develop neutropenia following cancer therapy should avoid prolonged contact with environments that have high concentrations of airborne fungal spores.

The guidelines do not recommend interventions such as neutropenic diet, footwear exchange, nutritional supplements, and surgical masks. “Evidence of clinical benefit is lacking” for those interventions, the expert panel said.

Members of the expert panel disclosed potential conflicts of interest related to Merck, Chimerix, GlyPharma Therapeutic, Pfizer, Cidara Therapeutics, Celgene, Astellas Pharma, Gilead Sciences, and Allergan, among other entities.

Photo by Rhoda Baer
Cancer patient receiving treatment

Experts have published updated guidelines on antimicrobial prophylaxis for adults with cancer-related immunosuppression.

The guidelines include antibacterial, antifungal, and antiviral prophylaxis recommendations, along with additional precautions, such as hand hygiene, that may reduce infection risk.

The guidelines were developed by the American Society of Clinical Oncology (ASCO) with the Infectious Diseases Society of America (IDSA) and published in the Journal of Clinical Oncology.

For the most part, the expert panel that created these guidelines endorsed the previous ASCO recommendations, published in 2013.

However, the panel considered six new studies and six new or updated meta-analyses to make modifications and add some new recommendations.

Recommendations

The ASCO/IDSA guidelines say health care providers should systematically assess the risk of febrile neutropenia, taking into account patient-, cancer-, and treatment-related factors.

Fluoroquinolone prophylaxis is recommended for patients at high risk of febrile neutropenia or profound, protracted neutropenia. This includes most patients with acute myeloid leukemia (AML) or myelodysplastic syndromes (MDS) and patients undergoing hematopoietic stem cell transplant (HSCT) who are treated with myeloablative conditioning regimens.

Antifungal prophylaxis with an oral triazole or parenteral echinocandin is recommended for patients at risk of profound, protracted neutropenia, which includes HSCT recipients and most patients with AML/MDS.

However, neither antifungal nor antibiotic prophylaxis are routinely recommended for patients with solid tumors.

Prophylaxis with a nucleoside analog, such as acyclovir, is recommended in patients who are herpes simplex virus–seropositive and are undergoing allogeneic HSCT or leukemia induction.

Pneumocystis jirovecii prophylaxis, such as trimethoprim-sulfamethoxazole, is recommended for patients receiving chemotherapy regimens associated with a greater than 3.5% risk for pneumonia from P jirovecii.

Treatment with a nucleoside reverse transcription inhibitor, such as entecavir or tenofovir, is recommended for patients at high risk of hepatitis B virus reactivation.

Yearly influenza vaccination with an inactivated quadrivalent vaccine is recommended for all patients undergoing chemotherapy for malignancy as well as their family members, household contacts, and health care providers.

Health care workers should follow hand hygiene and respiratory hygiene/cough etiquette to reduce the risk of pathogen transmission, according to the guidelines.

The guidelines also note that outpatients who develop neutropenia following cancer therapy should avoid prolonged contact with environments that have high concentrations of airborne fungal spores.

The guidelines do not recommend interventions such as neutropenic diet, footwear exchange, nutritional supplements, and surgical masks. “Evidence of clinical benefit is lacking” for those interventions, the expert panel said.

Members of the expert panel disclosed potential conflicts of interest related to Merck, Chimerix, GlyPharma Therapeutic, Pfizer, Cidara Therapeutics, Celgene, Astellas Pharma, Gilead Sciences, and Allergan, among other entities.

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