Food allergies and atopic dermatitis: What is the evidence?

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– The role of food allergies in atopic dermatitis (AD) is an important issue for both patients and their clinicians and brings up an interesting discussion, Peter Lio, MD, said in a video interview at the annual meeting of the American Academy of Dermatology.

Patients are often convinced that food is the main driver of their AD, or parents believe it is a trigger in their children with AD, according to Dr. Lio of the departments of dermatology and pediatrics at Northwestern University, Chicago.

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There is an increased risk of true food allergy in patients with AD, which “seems to get worse with increasing severity of the disease,” he pointed out. However, he added, many patients believe that food allergy is what is driving their eczema, “and that’s the part we don’t really think bears out” in clinical trials.

In the interview, Dr. Lio reviewed some of the clinical trial data and discussed other issues, including foods that seem to have an inflammatory effect in the body, the concepts of “transcutaneous sensitization” in children with AD and the “leaky gut,” and why he tends to recommend probiotics for patients with AD.

Dr. Lio spoke on diet and AD during a session titled “Dietary Triggers and Modifications of Common Dermatologic Conditions – An Evidence Based Approach,” at the meeting, He had no relevant disclosures.

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– The role of food allergies in atopic dermatitis (AD) is an important issue for both patients and their clinicians and brings up an interesting discussion, Peter Lio, MD, said in a video interview at the annual meeting of the American Academy of Dermatology.

Patients are often convinced that food is the main driver of their AD, or parents believe it is a trigger in their children with AD, according to Dr. Lio of the departments of dermatology and pediatrics at Northwestern University, Chicago.

Vidyard Video

There is an increased risk of true food allergy in patients with AD, which “seems to get worse with increasing severity of the disease,” he pointed out. However, he added, many patients believe that food allergy is what is driving their eczema, “and that’s the part we don’t really think bears out” in clinical trials.

In the interview, Dr. Lio reviewed some of the clinical trial data and discussed other issues, including foods that seem to have an inflammatory effect in the body, the concepts of “transcutaneous sensitization” in children with AD and the “leaky gut,” and why he tends to recommend probiotics for patients with AD.

Dr. Lio spoke on diet and AD during a session titled “Dietary Triggers and Modifications of Common Dermatologic Conditions – An Evidence Based Approach,” at the meeting, He had no relevant disclosures.

 

– The role of food allergies in atopic dermatitis (AD) is an important issue for both patients and their clinicians and brings up an interesting discussion, Peter Lio, MD, said in a video interview at the annual meeting of the American Academy of Dermatology.

Patients are often convinced that food is the main driver of their AD, or parents believe it is a trigger in their children with AD, according to Dr. Lio of the departments of dermatology and pediatrics at Northwestern University, Chicago.

Vidyard Video

There is an increased risk of true food allergy in patients with AD, which “seems to get worse with increasing severity of the disease,” he pointed out. However, he added, many patients believe that food allergy is what is driving their eczema, “and that’s the part we don’t really think bears out” in clinical trials.

In the interview, Dr. Lio reviewed some of the clinical trial data and discussed other issues, including foods that seem to have an inflammatory effect in the body, the concepts of “transcutaneous sensitization” in children with AD and the “leaky gut,” and why he tends to recommend probiotics for patients with AD.

Dr. Lio spoke on diet and AD during a session titled “Dietary Triggers and Modifications of Common Dermatologic Conditions – An Evidence Based Approach,” at the meeting, He had no relevant disclosures.

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MS research: “Our patients can’t wait” for conventional techniques

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– The time is right to bring big data and high-horsepower computation to the thorniest problems in multiple sclerosis (MS) research, said Jennifer Graves, MD, who cochaired the closing session at the meeting held by the Americas Committee for Research and Treatment in Multiple Sclerosis. The session focused on harnessing machine learning, deep learning, and the newest noninvasive observational techniques to move research and clinical care forward.

“We’ve reached a point in MS research where we’re hitting some stumbling blocks. And a lot of those stumbling blocks are related to how well and how precisely we can measure phenotype in MS. The reason that’s important is that our next frontier is treating progressive MS – and what that requires is finding things that let us know what’s happening at the biological level, so that we can screen drugs faster. We can’t afford to have 3- to 5-year clinical trials. ... Because our patients can’t wait,” said Dr. Graves, an associate professor of neuroscience at the University of California, San Diego.

“We can use all sorts of big data sources, whether it’s the rich imaging data we get on patients when they go into the MRI scanner, whether it’s wearable sensors,” or even newer technology, Dr. Graves said. “We can use technology to give us the sensitivity that we’ve been missing.”

Wearable technology, including accelerometers, can track physical activity that tracks with outcomes in MS, she added. As the tech armament increases, so will data available for analysis and correlation.

However, the key to progress will be to focus on technology that measures change over time. “This is the key: sensitivity to change over time. A lot of things can be associated with disability,” said Dr. Graves, but the key is tracking what changes in an individual patient with disease progression, “so that we can detect treatment effects or side effects.”

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– The time is right to bring big data and high-horsepower computation to the thorniest problems in multiple sclerosis (MS) research, said Jennifer Graves, MD, who cochaired the closing session at the meeting held by the Americas Committee for Research and Treatment in Multiple Sclerosis. The session focused on harnessing machine learning, deep learning, and the newest noninvasive observational techniques to move research and clinical care forward.

“We’ve reached a point in MS research where we’re hitting some stumbling blocks. And a lot of those stumbling blocks are related to how well and how precisely we can measure phenotype in MS. The reason that’s important is that our next frontier is treating progressive MS – and what that requires is finding things that let us know what’s happening at the biological level, so that we can screen drugs faster. We can’t afford to have 3- to 5-year clinical trials. ... Because our patients can’t wait,” said Dr. Graves, an associate professor of neuroscience at the University of California, San Diego.

“We can use all sorts of big data sources, whether it’s the rich imaging data we get on patients when they go into the MRI scanner, whether it’s wearable sensors,” or even newer technology, Dr. Graves said. “We can use technology to give us the sensitivity that we’ve been missing.”

Wearable technology, including accelerometers, can track physical activity that tracks with outcomes in MS, she added. As the tech armament increases, so will data available for analysis and correlation.

However, the key to progress will be to focus on technology that measures change over time. “This is the key: sensitivity to change over time. A lot of things can be associated with disability,” said Dr. Graves, but the key is tracking what changes in an individual patient with disease progression, “so that we can detect treatment effects or side effects.”

– The time is right to bring big data and high-horsepower computation to the thorniest problems in multiple sclerosis (MS) research, said Jennifer Graves, MD, who cochaired the closing session at the meeting held by the Americas Committee for Research and Treatment in Multiple Sclerosis. The session focused on harnessing machine learning, deep learning, and the newest noninvasive observational techniques to move research and clinical care forward.

“We’ve reached a point in MS research where we’re hitting some stumbling blocks. And a lot of those stumbling blocks are related to how well and how precisely we can measure phenotype in MS. The reason that’s important is that our next frontier is treating progressive MS – and what that requires is finding things that let us know what’s happening at the biological level, so that we can screen drugs faster. We can’t afford to have 3- to 5-year clinical trials. ... Because our patients can’t wait,” said Dr. Graves, an associate professor of neuroscience at the University of California, San Diego.

“We can use all sorts of big data sources, whether it’s the rich imaging data we get on patients when they go into the MRI scanner, whether it’s wearable sensors,” or even newer technology, Dr. Graves said. “We can use technology to give us the sensitivity that we’ve been missing.”

Wearable technology, including accelerometers, can track physical activity that tracks with outcomes in MS, she added. As the tech armament increases, so will data available for analysis and correlation.

However, the key to progress will be to focus on technology that measures change over time. “This is the key: sensitivity to change over time. A lot of things can be associated with disability,” said Dr. Graves, but the key is tracking what changes in an individual patient with disease progression, “so that we can detect treatment effects or side effects.”

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Medical tourism for MS stem cell therapy is common

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Fri, 06/11/2021 - 11:21

– “Stem cell therapy is something that has been a topic of interest for neurologists for a while,” said Wijdan Rai, MD, speaking at the meeting presented by the American Committee for Treatment and Research in Multiple Sclerosis.

However, “stem cell tourism is notoriously difficult to study, because it’s not regulated; there’s no database we can access to try to figure out what exactly is going on in these clinics,” said Dr. Rai.

Dr. Rai, a neurology resident at the Ohio State University, Columbus, said that she and her colleagues had noticed patients with multiple sclerosis (MS) were asking more frequently about stem cell therapies, and mesenchymal stem cell therapy in particular.

To translate these anecdotal observations into more concrete data, Dr. Rai and her colleagues surveyed academic neurologists in the outpatient setting to see if their patients were asking them about medical tourism for stem cell therapy. Additionally, they were asked about patients who actually had sought out the therapy and if there were adverse reactions from stem cell therapy.

The 25-item questionnaire was sent to academic neurologists via an online survey tool called Synapse through the American Academy of Neurology. Dr. Rai and her colleagues found that over 90% of respondents had been asked about stem cell therapies and that 25% of respondents said their patients had some kind of complication from the treatment.

“Most commonly, it was some variation of an infection, like meningitis, encephalitis, or hepatitis C,” said Dr. Rai. Other physicians reported that their patients had spinal cord tumors, deterioration of MS, or stroke.

Dr. Rai said the survey data show that stem cell tourism is common and that patients can experience adverse events; with this evidence in hand, she hopes that a fact sheet can be developed and hosted on a website so physicians can point their patients to evidence-based information about stem cell therapies in MS.

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– “Stem cell therapy is something that has been a topic of interest for neurologists for a while,” said Wijdan Rai, MD, speaking at the meeting presented by the American Committee for Treatment and Research in Multiple Sclerosis.

However, “stem cell tourism is notoriously difficult to study, because it’s not regulated; there’s no database we can access to try to figure out what exactly is going on in these clinics,” said Dr. Rai.

Dr. Rai, a neurology resident at the Ohio State University, Columbus, said that she and her colleagues had noticed patients with multiple sclerosis (MS) were asking more frequently about stem cell therapies, and mesenchymal stem cell therapy in particular.

To translate these anecdotal observations into more concrete data, Dr. Rai and her colleagues surveyed academic neurologists in the outpatient setting to see if their patients were asking them about medical tourism for stem cell therapy. Additionally, they were asked about patients who actually had sought out the therapy and if there were adverse reactions from stem cell therapy.

The 25-item questionnaire was sent to academic neurologists via an online survey tool called Synapse through the American Academy of Neurology. Dr. Rai and her colleagues found that over 90% of respondents had been asked about stem cell therapies and that 25% of respondents said their patients had some kind of complication from the treatment.

“Most commonly, it was some variation of an infection, like meningitis, encephalitis, or hepatitis C,” said Dr. Rai. Other physicians reported that their patients had spinal cord tumors, deterioration of MS, or stroke.

Dr. Rai said the survey data show that stem cell tourism is common and that patients can experience adverse events; with this evidence in hand, she hopes that a fact sheet can be developed and hosted on a website so physicians can point their patients to evidence-based information about stem cell therapies in MS.

– “Stem cell therapy is something that has been a topic of interest for neurologists for a while,” said Wijdan Rai, MD, speaking at the meeting presented by the American Committee for Treatment and Research in Multiple Sclerosis.

However, “stem cell tourism is notoriously difficult to study, because it’s not regulated; there’s no database we can access to try to figure out what exactly is going on in these clinics,” said Dr. Rai.

Dr. Rai, a neurology resident at the Ohio State University, Columbus, said that she and her colleagues had noticed patients with multiple sclerosis (MS) were asking more frequently about stem cell therapies, and mesenchymal stem cell therapy in particular.

To translate these anecdotal observations into more concrete data, Dr. Rai and her colleagues surveyed academic neurologists in the outpatient setting to see if their patients were asking them about medical tourism for stem cell therapy. Additionally, they were asked about patients who actually had sought out the therapy and if there were adverse reactions from stem cell therapy.

The 25-item questionnaire was sent to academic neurologists via an online survey tool called Synapse through the American Academy of Neurology. Dr. Rai and her colleagues found that over 90% of respondents had been asked about stem cell therapies and that 25% of respondents said their patients had some kind of complication from the treatment.

“Most commonly, it was some variation of an infection, like meningitis, encephalitis, or hepatitis C,” said Dr. Rai. Other physicians reported that their patients had spinal cord tumors, deterioration of MS, or stroke.

Dr. Rai said the survey data show that stem cell tourism is common and that patients can experience adverse events; with this evidence in hand, she hopes that a fact sheet can be developed and hosted on a website so physicians can point their patients to evidence-based information about stem cell therapies in MS.

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Smartphone assessment of motor, cognitive function in MS extends clinicians’ reach

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A smartphone can be a valuable extension of clinician assessment in multiple sclerosis and other neurologic disorders, affording the opportunity for patients to complete some assessments at home.

Alexandra Boukhvalova, a medical student at the University of Maryland School of Medicine, Baltimore, and her collaborators developed an interactive smartphone app to assess some aspects of cognitive and motor function for patients with multiple sclerosis (MS). Their findings were reported during a poster session at the meeting held by the American Society for Prevention and Treatment in Multiple Sclerosis.

“The clinician assessment is an hour-long assessment; it requires a trained neurologist,” Ms. Boukhvalova pointed out. In thinking about how app-based assessment could augment the clinical exam, she and her collaborators realized that “a lot of the neurologic exam is still quite subjective – so is there a way that we can make that exam more objective and quantifiable and also add a little bit of ease with accessibility and mobility?

“We created a suite of test apps ... to assess different neurological systems, ranging from motor function, cognitive and visual dysfunction, general fatigue, and strength,” she said. The apps included tapping tests and balloon-popping tasks, along with measures to give some indication of spasticity by assessing the smoothness of movements.

Participants completed the testing both in the clinic and from home. “We did not need an investigator present for patients to be able to complete the tests,” said Ms. Boukhvalova.

Ms. Boukhvalova and her colleagues compared performance on the gamified tasks between patients with MS and healthy controls. For all tasks, the participants with MS could clearly be differentiated from the healthy participants.

A further plus was that “The patients almost viewed these tests as games.” They reported that they enjoyed completing them, said Ms. Boukhvalova, adding that app-based assessments also offer an additional point of connection between MS patients and specialists, whom they may only see annually or semiannually.

Further app development may focus on utilizing sensor and accelerometer functions in smartphones to perform more natural and sophisticated motor analysis to look at gait and gross motor functioning, she said.

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A smartphone can be a valuable extension of clinician assessment in multiple sclerosis and other neurologic disorders, affording the opportunity for patients to complete some assessments at home.

Alexandra Boukhvalova, a medical student at the University of Maryland School of Medicine, Baltimore, and her collaborators developed an interactive smartphone app to assess some aspects of cognitive and motor function for patients with multiple sclerosis (MS). Their findings were reported during a poster session at the meeting held by the American Society for Prevention and Treatment in Multiple Sclerosis.

“The clinician assessment is an hour-long assessment; it requires a trained neurologist,” Ms. Boukhvalova pointed out. In thinking about how app-based assessment could augment the clinical exam, she and her collaborators realized that “a lot of the neurologic exam is still quite subjective – so is there a way that we can make that exam more objective and quantifiable and also add a little bit of ease with accessibility and mobility?

“We created a suite of test apps ... to assess different neurological systems, ranging from motor function, cognitive and visual dysfunction, general fatigue, and strength,” she said. The apps included tapping tests and balloon-popping tasks, along with measures to give some indication of spasticity by assessing the smoothness of movements.

Participants completed the testing both in the clinic and from home. “We did not need an investigator present for patients to be able to complete the tests,” said Ms. Boukhvalova.

Ms. Boukhvalova and her colleagues compared performance on the gamified tasks between patients with MS and healthy controls. For all tasks, the participants with MS could clearly be differentiated from the healthy participants.

A further plus was that “The patients almost viewed these tests as games.” They reported that they enjoyed completing them, said Ms. Boukhvalova, adding that app-based assessments also offer an additional point of connection between MS patients and specialists, whom they may only see annually or semiannually.

Further app development may focus on utilizing sensor and accelerometer functions in smartphones to perform more natural and sophisticated motor analysis to look at gait and gross motor functioning, she said.

A smartphone can be a valuable extension of clinician assessment in multiple sclerosis and other neurologic disorders, affording the opportunity for patients to complete some assessments at home.

Alexandra Boukhvalova, a medical student at the University of Maryland School of Medicine, Baltimore, and her collaborators developed an interactive smartphone app to assess some aspects of cognitive and motor function for patients with multiple sclerosis (MS). Their findings were reported during a poster session at the meeting held by the American Society for Prevention and Treatment in Multiple Sclerosis.

“The clinician assessment is an hour-long assessment; it requires a trained neurologist,” Ms. Boukhvalova pointed out. In thinking about how app-based assessment could augment the clinical exam, she and her collaborators realized that “a lot of the neurologic exam is still quite subjective – so is there a way that we can make that exam more objective and quantifiable and also add a little bit of ease with accessibility and mobility?

“We created a suite of test apps ... to assess different neurological systems, ranging from motor function, cognitive and visual dysfunction, general fatigue, and strength,” she said. The apps included tapping tests and balloon-popping tasks, along with measures to give some indication of spasticity by assessing the smoothness of movements.

Participants completed the testing both in the clinic and from home. “We did not need an investigator present for patients to be able to complete the tests,” said Ms. Boukhvalova.

Ms. Boukhvalova and her colleagues compared performance on the gamified tasks between patients with MS and healthy controls. For all tasks, the participants with MS could clearly be differentiated from the healthy participants.

A further plus was that “The patients almost viewed these tests as games.” They reported that they enjoyed completing them, said Ms. Boukhvalova, adding that app-based assessments also offer an additional point of connection between MS patients and specialists, whom they may only see annually or semiannually.

Further app development may focus on utilizing sensor and accelerometer functions in smartphones to perform more natural and sophisticated motor analysis to look at gait and gross motor functioning, she said.

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Don’t forget social determinants of health in minority MS patients

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Thu, 12/15/2022 - 14:42

– The way Lilyana Amezcua, MD, sees it, clinicians should view race and ethnicity as health disparities when assessing individuals with multiple sclerosis.

Whites are predominately affected with MS, “but we have seen changing demographics,” said Dr. Amezcua, of the University of Southern California MS Comprehensive Care and Research Group. “Why are African Americans now at higher risk ... and why do African Americans appear to have more severe disease? Is it a biological difference ... or is it because of poor access” to health care?

At the meeting held by the Americas Committee for Treatment and Research in Multiple Sclerosis, Dr. Amezcua delivered a presentation entitled “Effect of Race and Ethnicity on MS Presentation and Disease Course.” She called on researchers in the field “to not just take race and ethnicity as any small variable. We need to be cognizant and use the correct methodology, depending on what [question] we want to answer. We need to better define how we ascertain race, how we ascertain ethnicity.”

Dr. Amezcua, who is also the MS fellowship program director at the Keck School of Medicine, disclosed that she receives funding from the National MS Society, the National Institutes of Health, the California Community Foundation, and Biogen.

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– The way Lilyana Amezcua, MD, sees it, clinicians should view race and ethnicity as health disparities when assessing individuals with multiple sclerosis.

Whites are predominately affected with MS, “but we have seen changing demographics,” said Dr. Amezcua, of the University of Southern California MS Comprehensive Care and Research Group. “Why are African Americans now at higher risk ... and why do African Americans appear to have more severe disease? Is it a biological difference ... or is it because of poor access” to health care?

At the meeting held by the Americas Committee for Treatment and Research in Multiple Sclerosis, Dr. Amezcua delivered a presentation entitled “Effect of Race and Ethnicity on MS Presentation and Disease Course.” She called on researchers in the field “to not just take race and ethnicity as any small variable. We need to be cognizant and use the correct methodology, depending on what [question] we want to answer. We need to better define how we ascertain race, how we ascertain ethnicity.”

Dr. Amezcua, who is also the MS fellowship program director at the Keck School of Medicine, disclosed that she receives funding from the National MS Society, the National Institutes of Health, the California Community Foundation, and Biogen.

– The way Lilyana Amezcua, MD, sees it, clinicians should view race and ethnicity as health disparities when assessing individuals with multiple sclerosis.

Whites are predominately affected with MS, “but we have seen changing demographics,” said Dr. Amezcua, of the University of Southern California MS Comprehensive Care and Research Group. “Why are African Americans now at higher risk ... and why do African Americans appear to have more severe disease? Is it a biological difference ... or is it because of poor access” to health care?

At the meeting held by the Americas Committee for Treatment and Research in Multiple Sclerosis, Dr. Amezcua delivered a presentation entitled “Effect of Race and Ethnicity on MS Presentation and Disease Course.” She called on researchers in the field “to not just take race and ethnicity as any small variable. We need to be cognizant and use the correct methodology, depending on what [question] we want to answer. We need to better define how we ascertain race, how we ascertain ethnicity.”

Dr. Amezcua, who is also the MS fellowship program director at the Keck School of Medicine, disclosed that she receives funding from the National MS Society, the National Institutes of Health, the California Community Foundation, and Biogen.

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Tanuja Chitnis: “It’s the right time” for precision medicine in MS

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The theme for ACTRIMS Forum 2019 revolves around precision medicine for patients with multiple sclerosis. In an interview at the meeting held by the Americas Committee for Treatment and Research in Multiple Sclerosis, the conference’s cochair, Tanuja Chitnis, MD, explained why this is the right time to take a deep dive into what precision medicine means in MS, for patients and physicians alike.

“We chose the topic of precision medicine for this forum because it’s a really timely issue,” said Dr. Chitnis, noting that there are now over 16 approved treatments for MS, and an increasing recognition that “not every patient has the same disease course.”

“It’s the right time to think about individualized treatment, and not a one-size-fits-all approach,” she said, noting that clinicians and patients stand to benefit from guidance about treatment choices.

“In addition, we are aided by the number of biomarkers that are becoming available,” including quantitative MRI and serum biomarkers. “I think we – as a field – need to understand how to use these in clinical settings in order to guide treatment decisions,” said Dr. Chitnis, professor of neurology at Harvard Medical School, Boston.

Advances in data science are allowing the connection of disparate kinds of data for discovery and hypothesis testing and validation, said Dr. Chitnis, who serves as medical director for the large longitudinal CLIMB study. The study follows about 2,000 patients who have yearly neurologic examinations and brain MRI; serum biomarkers and self-report data are also acquired annually.

“Network science can help in the precision medicine approach to multiple sclerosis, because we have a very clear understanding that MS is a complex disease. It is not one gene; it is not one modality,” she said.

Dr. Chitnis reported that she has received research funding from multiple pharmaceutical companies.
 

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The theme for ACTRIMS Forum 2019 revolves around precision medicine for patients with multiple sclerosis. In an interview at the meeting held by the Americas Committee for Treatment and Research in Multiple Sclerosis, the conference’s cochair, Tanuja Chitnis, MD, explained why this is the right time to take a deep dive into what precision medicine means in MS, for patients and physicians alike.

“We chose the topic of precision medicine for this forum because it’s a really timely issue,” said Dr. Chitnis, noting that there are now over 16 approved treatments for MS, and an increasing recognition that “not every patient has the same disease course.”

“It’s the right time to think about individualized treatment, and not a one-size-fits-all approach,” she said, noting that clinicians and patients stand to benefit from guidance about treatment choices.

“In addition, we are aided by the number of biomarkers that are becoming available,” including quantitative MRI and serum biomarkers. “I think we – as a field – need to understand how to use these in clinical settings in order to guide treatment decisions,” said Dr. Chitnis, professor of neurology at Harvard Medical School, Boston.

Advances in data science are allowing the connection of disparate kinds of data for discovery and hypothesis testing and validation, said Dr. Chitnis, who serves as medical director for the large longitudinal CLIMB study. The study follows about 2,000 patients who have yearly neurologic examinations and brain MRI; serum biomarkers and self-report data are also acquired annually.

“Network science can help in the precision medicine approach to multiple sclerosis, because we have a very clear understanding that MS is a complex disease. It is not one gene; it is not one modality,” she said.

Dr. Chitnis reported that she has received research funding from multiple pharmaceutical companies.
 

The theme for ACTRIMS Forum 2019 revolves around precision medicine for patients with multiple sclerosis. In an interview at the meeting held by the Americas Committee for Treatment and Research in Multiple Sclerosis, the conference’s cochair, Tanuja Chitnis, MD, explained why this is the right time to take a deep dive into what precision medicine means in MS, for patients and physicians alike.

“We chose the topic of precision medicine for this forum because it’s a really timely issue,” said Dr. Chitnis, noting that there are now over 16 approved treatments for MS, and an increasing recognition that “not every patient has the same disease course.”

“It’s the right time to think about individualized treatment, and not a one-size-fits-all approach,” she said, noting that clinicians and patients stand to benefit from guidance about treatment choices.

“In addition, we are aided by the number of biomarkers that are becoming available,” including quantitative MRI and serum biomarkers. “I think we – as a field – need to understand how to use these in clinical settings in order to guide treatment decisions,” said Dr. Chitnis, professor of neurology at Harvard Medical School, Boston.

Advances in data science are allowing the connection of disparate kinds of data for discovery and hypothesis testing and validation, said Dr. Chitnis, who serves as medical director for the large longitudinal CLIMB study. The study follows about 2,000 patients who have yearly neurologic examinations and brain MRI; serum biomarkers and self-report data are also acquired annually.

“Network science can help in the precision medicine approach to multiple sclerosis, because we have a very clear understanding that MS is a complex disease. It is not one gene; it is not one modality,” she said.

Dr. Chitnis reported that she has received research funding from multiple pharmaceutical companies.
 

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Smartphone-based visual tests for MS patients show promise

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– A battery of smartphone-based tests has been developed to help detect visual pathway disturbances in MS patients and to follow them over time.

“One of the ideas is, can you design something that’s so easy to use and quick that it’s not a burden on the patient?” Randy H. Kardon, MD, PhD, said in an interview at the meeting held by the Americas Committee for Treatment and Research in Multiple Sclerosis. “The other was to test a couple of different modalities. By that I mean we test visual acuity, contrast sensitivity, and critical flicker fusion, which is a way of measuring the speed of conduction of nerves in the visual system.”

Dr. Kardon, professor of neuro-ophthalmology at the University of Iowa, Iowa City, worked with colleagues from Aalborg University, Denmark, to study these tests and a novel measure known as the vanishing optotype on 117 patients with MS and 103 age-matched controls. They found that the tests “very nicely discriminated between normal eyes from patients that had MS,” said Dr. Kardon, director of the Iowa City VA Center for Prevention and Treatment of Visual Loss. “Furthermore, we could determine which eyes from the MS patients had previous optic neuritis and which eyes hadn’t. We’re now looking for partners to go forward with larger studies to validate it further and refine these tests even more.”

Dr. Kardon disclosed that he has received funding from the National Eye Institute, the Department of Defense, and from VA Rehabilitation Research and Development. He was also a member of the Novartis steering committee for the OCTiMS study and is a cofounder of MedFace and FaceX.

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– A battery of smartphone-based tests has been developed to help detect visual pathway disturbances in MS patients and to follow them over time.

“One of the ideas is, can you design something that’s so easy to use and quick that it’s not a burden on the patient?” Randy H. Kardon, MD, PhD, said in an interview at the meeting held by the Americas Committee for Treatment and Research in Multiple Sclerosis. “The other was to test a couple of different modalities. By that I mean we test visual acuity, contrast sensitivity, and critical flicker fusion, which is a way of measuring the speed of conduction of nerves in the visual system.”

Dr. Kardon, professor of neuro-ophthalmology at the University of Iowa, Iowa City, worked with colleagues from Aalborg University, Denmark, to study these tests and a novel measure known as the vanishing optotype on 117 patients with MS and 103 age-matched controls. They found that the tests “very nicely discriminated between normal eyes from patients that had MS,” said Dr. Kardon, director of the Iowa City VA Center for Prevention and Treatment of Visual Loss. “Furthermore, we could determine which eyes from the MS patients had previous optic neuritis and which eyes hadn’t. We’re now looking for partners to go forward with larger studies to validate it further and refine these tests even more.”

Dr. Kardon disclosed that he has received funding from the National Eye Institute, the Department of Defense, and from VA Rehabilitation Research and Development. He was also a member of the Novartis steering committee for the OCTiMS study and is a cofounder of MedFace and FaceX.

– A battery of smartphone-based tests has been developed to help detect visual pathway disturbances in MS patients and to follow them over time.

“One of the ideas is, can you design something that’s so easy to use and quick that it’s not a burden on the patient?” Randy H. Kardon, MD, PhD, said in an interview at the meeting held by the Americas Committee for Treatment and Research in Multiple Sclerosis. “The other was to test a couple of different modalities. By that I mean we test visual acuity, contrast sensitivity, and critical flicker fusion, which is a way of measuring the speed of conduction of nerves in the visual system.”

Dr. Kardon, professor of neuro-ophthalmology at the University of Iowa, Iowa City, worked with colleagues from Aalborg University, Denmark, to study these tests and a novel measure known as the vanishing optotype on 117 patients with MS and 103 age-matched controls. They found that the tests “very nicely discriminated between normal eyes from patients that had MS,” said Dr. Kardon, director of the Iowa City VA Center for Prevention and Treatment of Visual Loss. “Furthermore, we could determine which eyes from the MS patients had previous optic neuritis and which eyes hadn’t. We’re now looking for partners to go forward with larger studies to validate it further and refine these tests even more.”

Dr. Kardon disclosed that he has received funding from the National Eye Institute, the Department of Defense, and from VA Rehabilitation Research and Development. He was also a member of the Novartis steering committee for the OCTiMS study and is a cofounder of MedFace and FaceX.

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U.S. sesame allergy prevalence estimated at 750,000

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– The estimated U.S. prevalence of sesame allergy appears to be at least 0.23% among both adults and children, roughly about 750,000 people, according to a recent, representative survey of more than 78,000 Americans, which shows sesame allergy apparently is common enough to prompt the Food and Drug Administration to require food labels that identify sesame as an ingredient or possible contaminant.

 

The sesame-allergy data also showed that sesame reactions were rated as having been severe by about a third of respondents, they caused about two-thirds of people who responded to sesame to go to an emergency department at least once (the highest rate for this outcome among all food allergies), and reactions had led to use of an epinephrine automated injector by about a quarter of people who responded to it, Christopher M. Warren said at the annual meeting of the American Academy of Allergy, Asthma, and Immunology.


These findings document the public health importance of sesame allergy, which seems widespread and often severe enough to warrant making sesame the ninth allergen to require specific food labeling, said Ruchi S. Gupta, MD, senior author of the study and a professor of pediatrics and medicine at Northwestern University in Chicago.


“It seems to rank up with other food allergens regarding reaction severity,” Dr. Gupta said in a video interview. In October 2018, the FDA requested information on sesame allergy so that its staff could consider adding sesame to its list of major food allergens. The eight current major food allergens that require specific labeling are: peanut, tree nuts, eggs, milk, fish, shellfish, wheat, and soy. The 0.23% prevalence of sesame among U.S. residents makes it more common than certain tree nuts, and so the prevalence numbers also seem to justify adding sesame to the FDA’s labeling list because 750,000 is “a lot of people,” she noted.

An established surveying group based at the University of Chicago ran the data collection, which received responses from 53,575 U.S. household including 40,443 adults and 38,408 children. Dr. Gupta and her associates recently published information on the methods of the survey and other findings it made about U.S. food allergy rates (JAMA Network Open. 2019 Jan 4. doi: 10.1001/jamanetworkopen.2018.5630). The descriptions people provided about their food allergy diagnoses, and the effects these allergies had, underwent detailed review by a panel of experts who decide whether or not the evidence for an allergy was “convincing.” The 0.23% prevalence rate reported for sesame represented people for whom this allergy was convincingly demonstrated, reflected a confirmed physician diagnosis, or both, and hence it was a conservative estimate, Dr. Gupta said.

Mitchel L. Zoler/MDedge News
Christopher M. Warren
Another notable finding about sesame allergy was that 82% of the affected people also reported an allergy to at least one other major food allergen, most commonly peanut or tree nuts, reported Mr. Warren, who did this research while working with Dr. Gupta at Northwestern and is now a researcher at the University of Southern California in Los Angeles. The data also showed that sesame allergies exist across the age spectrum, with about a quarter of adults with a sesame allergy reporting that it did not appear until they were at least 18 years old.

Mr. Warren had no disclosures. Dr. Gupta has been a consultant to Aimmune, Before Brands, DBV Technologies, Kaleo, Mylan, and Pfizer, and she has received research funding from Aimmune, Mylan, the National Confectioners Association, Rho, and Thermo Fisher.

 

SOURCE: Chadha AS et al. AAAAI 2019, Abstract 615.

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– The estimated U.S. prevalence of sesame allergy appears to be at least 0.23% among both adults and children, roughly about 750,000 people, according to a recent, representative survey of more than 78,000 Americans, which shows sesame allergy apparently is common enough to prompt the Food and Drug Administration to require food labels that identify sesame as an ingredient or possible contaminant.

 

The sesame-allergy data also showed that sesame reactions were rated as having been severe by about a third of respondents, they caused about two-thirds of people who responded to sesame to go to an emergency department at least once (the highest rate for this outcome among all food allergies), and reactions had led to use of an epinephrine automated injector by about a quarter of people who responded to it, Christopher M. Warren said at the annual meeting of the American Academy of Allergy, Asthma, and Immunology.


These findings document the public health importance of sesame allergy, which seems widespread and often severe enough to warrant making sesame the ninth allergen to require specific food labeling, said Ruchi S. Gupta, MD, senior author of the study and a professor of pediatrics and medicine at Northwestern University in Chicago.


“It seems to rank up with other food allergens regarding reaction severity,” Dr. Gupta said in a video interview. In October 2018, the FDA requested information on sesame allergy so that its staff could consider adding sesame to its list of major food allergens. The eight current major food allergens that require specific labeling are: peanut, tree nuts, eggs, milk, fish, shellfish, wheat, and soy. The 0.23% prevalence of sesame among U.S. residents makes it more common than certain tree nuts, and so the prevalence numbers also seem to justify adding sesame to the FDA’s labeling list because 750,000 is “a lot of people,” she noted.

An established surveying group based at the University of Chicago ran the data collection, which received responses from 53,575 U.S. household including 40,443 adults and 38,408 children. Dr. Gupta and her associates recently published information on the methods of the survey and other findings it made about U.S. food allergy rates (JAMA Network Open. 2019 Jan 4. doi: 10.1001/jamanetworkopen.2018.5630). The descriptions people provided about their food allergy diagnoses, and the effects these allergies had, underwent detailed review by a panel of experts who decide whether or not the evidence for an allergy was “convincing.” The 0.23% prevalence rate reported for sesame represented people for whom this allergy was convincingly demonstrated, reflected a confirmed physician diagnosis, or both, and hence it was a conservative estimate, Dr. Gupta said.

Mitchel L. Zoler/MDedge News
Christopher M. Warren
Another notable finding about sesame allergy was that 82% of the affected people also reported an allergy to at least one other major food allergen, most commonly peanut or tree nuts, reported Mr. Warren, who did this research while working with Dr. Gupta at Northwestern and is now a researcher at the University of Southern California in Los Angeles. The data also showed that sesame allergies exist across the age spectrum, with about a quarter of adults with a sesame allergy reporting that it did not appear until they were at least 18 years old.

Mr. Warren had no disclosures. Dr. Gupta has been a consultant to Aimmune, Before Brands, DBV Technologies, Kaleo, Mylan, and Pfizer, and she has received research funding from Aimmune, Mylan, the National Confectioners Association, Rho, and Thermo Fisher.

 

SOURCE: Chadha AS et al. AAAAI 2019, Abstract 615.

– The estimated U.S. prevalence of sesame allergy appears to be at least 0.23% among both adults and children, roughly about 750,000 people, according to a recent, representative survey of more than 78,000 Americans, which shows sesame allergy apparently is common enough to prompt the Food and Drug Administration to require food labels that identify sesame as an ingredient or possible contaminant.

 

The sesame-allergy data also showed that sesame reactions were rated as having been severe by about a third of respondents, they caused about two-thirds of people who responded to sesame to go to an emergency department at least once (the highest rate for this outcome among all food allergies), and reactions had led to use of an epinephrine automated injector by about a quarter of people who responded to it, Christopher M. Warren said at the annual meeting of the American Academy of Allergy, Asthma, and Immunology.


These findings document the public health importance of sesame allergy, which seems widespread and often severe enough to warrant making sesame the ninth allergen to require specific food labeling, said Ruchi S. Gupta, MD, senior author of the study and a professor of pediatrics and medicine at Northwestern University in Chicago.


“It seems to rank up with other food allergens regarding reaction severity,” Dr. Gupta said in a video interview. In October 2018, the FDA requested information on sesame allergy so that its staff could consider adding sesame to its list of major food allergens. The eight current major food allergens that require specific labeling are: peanut, tree nuts, eggs, milk, fish, shellfish, wheat, and soy. The 0.23% prevalence of sesame among U.S. residents makes it more common than certain tree nuts, and so the prevalence numbers also seem to justify adding sesame to the FDA’s labeling list because 750,000 is “a lot of people,” she noted.

An established surveying group based at the University of Chicago ran the data collection, which received responses from 53,575 U.S. household including 40,443 adults and 38,408 children. Dr. Gupta and her associates recently published information on the methods of the survey and other findings it made about U.S. food allergy rates (JAMA Network Open. 2019 Jan 4. doi: 10.1001/jamanetworkopen.2018.5630). The descriptions people provided about their food allergy diagnoses, and the effects these allergies had, underwent detailed review by a panel of experts who decide whether or not the evidence for an allergy was “convincing.” The 0.23% prevalence rate reported for sesame represented people for whom this allergy was convincingly demonstrated, reflected a confirmed physician diagnosis, or both, and hence it was a conservative estimate, Dr. Gupta said.

Mitchel L. Zoler/MDedge News
Christopher M. Warren
Another notable finding about sesame allergy was that 82% of the affected people also reported an allergy to at least one other major food allergen, most commonly peanut or tree nuts, reported Mr. Warren, who did this research while working with Dr. Gupta at Northwestern and is now a researcher at the University of Southern California in Los Angeles. The data also showed that sesame allergies exist across the age spectrum, with about a quarter of adults with a sesame allergy reporting that it did not appear until they were at least 18 years old.

Mr. Warren had no disclosures. Dr. Gupta has been a consultant to Aimmune, Before Brands, DBV Technologies, Kaleo, Mylan, and Pfizer, and she has received research funding from Aimmune, Mylan, the National Confectioners Association, Rho, and Thermo Fisher.

 

SOURCE: Chadha AS et al. AAAAI 2019, Abstract 615.

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Key clinical point: The U.S. prevalence of allergy to sesame is roughly similar to other foods that require food labeling.

Major finding: The prevalence of sesame allergy was 0.23% of U.S. adults and children.

Study details: A detailed survey of food allergies completed for 53,575 U.S. households that included 78,851 people.

Disclosures: Mr. Warren had no disclosures. Dr. Gupta had been a consultant to Aimmune, Before Brands, DBV Technologies, Kaleo, Mylan, and Pfizer, and she had received research funding from Aimmune, Mylan, the National Confectioners Association, Rho, and Thermo Fisher.

Source: Chadha AS et al. AAAAI 2019, Abstract 615.

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TCA and punch excision are two options for icepick acne scars

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– Dermatologists can certainly improve icepick acne scars, but they have to be careful not to make them worse, according to dermatologist Nazanin Saedi, MD, director of the Jefferson Laser Surgery and Cosmetic Dermatology Center at Thomas Jefferson University, Philadelphia.

For icepick scars, she likes to use TCA CROSS (chemical reconstitution of skin scars) with trichloroacetic acid (TCA).

After about three to five TCA treatments, most patients will have a better than 50% improvement, Dr. Saedi said, but the treatment isn’t for darker skin types – Fitzpatrick types V or VI – because of the risk of pigmentation changes. Dr. Saedi uses toothpicks to apply a small amount of 80% TCA to the base of the scar, and waits for the “frost” to appear. It’s important not to reapply the TCA. “A lot of people double dip and ... keep dipping into the scar,” which causes more damage.


For patients with darker skin types, or those who don’t want to go through a series of treatments, punch excision is an option, with nonablative laser treatment a week later when sutures are removed. “Some patients heal beautifully,” but some patients may have a spread scar or a small atrophic scar at the punch site, she noted. Options to treat atrophic scarring after treatment are laser treatments and fillers.

She offered her advice in an interview at the Hawaii Dermatology Seminar, provided by the Global Academy for Medical Education/Skin Disease Education Foundation. It’s important to set realistic expectations, Dr. Saedi said.

SDEF/Global Academy for Medical Education and this news organization are owned by the same parent company.

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– Dermatologists can certainly improve icepick acne scars, but they have to be careful not to make them worse, according to dermatologist Nazanin Saedi, MD, director of the Jefferson Laser Surgery and Cosmetic Dermatology Center at Thomas Jefferson University, Philadelphia.

For icepick scars, she likes to use TCA CROSS (chemical reconstitution of skin scars) with trichloroacetic acid (TCA).

After about three to five TCA treatments, most patients will have a better than 50% improvement, Dr. Saedi said, but the treatment isn’t for darker skin types – Fitzpatrick types V or VI – because of the risk of pigmentation changes. Dr. Saedi uses toothpicks to apply a small amount of 80% TCA to the base of the scar, and waits for the “frost” to appear. It’s important not to reapply the TCA. “A lot of people double dip and ... keep dipping into the scar,” which causes more damage.


For patients with darker skin types, or those who don’t want to go through a series of treatments, punch excision is an option, with nonablative laser treatment a week later when sutures are removed. “Some patients heal beautifully,” but some patients may have a spread scar or a small atrophic scar at the punch site, she noted. Options to treat atrophic scarring after treatment are laser treatments and fillers.

She offered her advice in an interview at the Hawaii Dermatology Seminar, provided by the Global Academy for Medical Education/Skin Disease Education Foundation. It’s important to set realistic expectations, Dr. Saedi said.

SDEF/Global Academy for Medical Education and this news organization are owned by the same parent company.

– Dermatologists can certainly improve icepick acne scars, but they have to be careful not to make them worse, according to dermatologist Nazanin Saedi, MD, director of the Jefferson Laser Surgery and Cosmetic Dermatology Center at Thomas Jefferson University, Philadelphia.

For icepick scars, she likes to use TCA CROSS (chemical reconstitution of skin scars) with trichloroacetic acid (TCA).

After about three to five TCA treatments, most patients will have a better than 50% improvement, Dr. Saedi said, but the treatment isn’t for darker skin types – Fitzpatrick types V or VI – because of the risk of pigmentation changes. Dr. Saedi uses toothpicks to apply a small amount of 80% TCA to the base of the scar, and waits for the “frost” to appear. It’s important not to reapply the TCA. “A lot of people double dip and ... keep dipping into the scar,” which causes more damage.


For patients with darker skin types, or those who don’t want to go through a series of treatments, punch excision is an option, with nonablative laser treatment a week later when sutures are removed. “Some patients heal beautifully,” but some patients may have a spread scar or a small atrophic scar at the punch site, she noted. Options to treat atrophic scarring after treatment are laser treatments and fillers.

She offered her advice in an interview at the Hawaii Dermatology Seminar, provided by the Global Academy for Medical Education/Skin Disease Education Foundation. It’s important to set realistic expectations, Dr. Saedi said.

SDEF/Global Academy for Medical Education and this news organization are owned by the same parent company.

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Dupilumab relieves severe sinusitis with polyposis

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Wed, 06/23/2021 - 10:45

– Dupilumab, an anti-inflammatory drug already approved for use in the United States, met its efficacy endpoints for treating chronic rhinosinusitis with nasal polyps in a pivotal trial with 276 patients.

The results make it likely that dupilumab (Dupixent) will receive a new indication from the Food and Drug Administration, pending similar results in a second pivotal trial for nasal polyps that researchers will report soon. Dupilumab, which works by blocking a receptor for both interleukin 4 and interleukin 13 and thereby shutting down type 2 inflammation, is already approved in the United States for treating atopic dermatitis and asthma.

Type 2 inflammation drives polyp formation in patients with chronic rhinosinusitis that can produce severe nasal congestion, breathing difficulty, and substantially reduced quality of life.

In the new trial, the drug showed efficacy by significantly improving both the nasal congestion score reported by patients and the nasal polyp score measured by sinus endoscopy after 24 weeks on treatment, when compared with control patients on placebo, Joseph K. Han, MD, said at the annual meeting of the American Academy of Allergy, Asthma, and Immunology.

Patients enrolled in the study had chronic, severe sinusitis and nasal polyps that remained uncontrolled despite prior surgery, for 75% of enrolled patients, or treatment with systemic corticosteroids, used on about 90% of the patients within the prior 2 years.

During the 24 weeks of treatment, 23% of patients in the control arm had to restart systemic corticosteroid treatment or have surgery, compared with 7% of patients on dupilumab treatment, a statistically significant difference.

 

 

The new drug is a “game changer,” for these patients, Dr. Han said in a video interview.

In some patients, treatment produced complete polyp resolution. He and his colleagues in the otolaryngology field are now trying to decide exactly which patients with polyps secondary to sinusitis will be good candidates for dupilumab after it receives an expected indication for shrinking nasal polyps.

Roughly 4% of the adult population has chronic rhinosinusitis that generates polyps. How many of these patients are affected severely enough to warrant dupilumab treatment is not clear, but will likely include several hundreds of thousands of U.S. adults, said Dr. Han, professor of otolaryngology and chief of the division of allergy at Eastern Virginia Medical School in Norfolk.



The SINUS-24 (A Controlled Clinical Study of Dupilumab in Patients With Nasal Polyps) trial enrolled patients at 76 sites in the United States and in several European countries. The study randomized 143 patients who received standard treatment plus a 300-mg dupilumab subcutaneous injection every 2 weeks, and 133 patients who received standard treatment plus placebo injections. Standard treatment included a nasal corticosteroid spray.

After 24 weeks of treatment, the endoscopically-measured nasal polyp score, which averaged about 6 at baseline on a scale of 0-8, fell by an average of 2.06 points, compared with controls, which was a statistically significant and clinically meaningful change, said Dr. Han.

The second primary endpoint, patient self-assessment of nasal congestion on a scale of 0-3, showed an average 0.89 improvement, compared with controls, which was also a statistically significant and meaningful change from the average baseline score of about 2.4.

Other efficacy measures also showed benefits from treatment, including a substantial improvement compared with controls in a quality-of-life measure. The safety profile was benign compared with placebo, and consistent with existing safety data for the drug.SINUS-24 was funded by Regeneron and Sanofi, the companies that market dupilumab. Dr. Han has been an adviser to Regeneron and Sanofi.

SOURCE: Han JK et al. AAAAI 2019, Abstract L4.

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– Dupilumab, an anti-inflammatory drug already approved for use in the United States, met its efficacy endpoints for treating chronic rhinosinusitis with nasal polyps in a pivotal trial with 276 patients.

The results make it likely that dupilumab (Dupixent) will receive a new indication from the Food and Drug Administration, pending similar results in a second pivotal trial for nasal polyps that researchers will report soon. Dupilumab, which works by blocking a receptor for both interleukin 4 and interleukin 13 and thereby shutting down type 2 inflammation, is already approved in the United States for treating atopic dermatitis and asthma.

Type 2 inflammation drives polyp formation in patients with chronic rhinosinusitis that can produce severe nasal congestion, breathing difficulty, and substantially reduced quality of life.

In the new trial, the drug showed efficacy by significantly improving both the nasal congestion score reported by patients and the nasal polyp score measured by sinus endoscopy after 24 weeks on treatment, when compared with control patients on placebo, Joseph K. Han, MD, said at the annual meeting of the American Academy of Allergy, Asthma, and Immunology.

Patients enrolled in the study had chronic, severe sinusitis and nasal polyps that remained uncontrolled despite prior surgery, for 75% of enrolled patients, or treatment with systemic corticosteroids, used on about 90% of the patients within the prior 2 years.

During the 24 weeks of treatment, 23% of patients in the control arm had to restart systemic corticosteroid treatment or have surgery, compared with 7% of patients on dupilumab treatment, a statistically significant difference.

 

 

The new drug is a “game changer,” for these patients, Dr. Han said in a video interview.

In some patients, treatment produced complete polyp resolution. He and his colleagues in the otolaryngology field are now trying to decide exactly which patients with polyps secondary to sinusitis will be good candidates for dupilumab after it receives an expected indication for shrinking nasal polyps.

Roughly 4% of the adult population has chronic rhinosinusitis that generates polyps. How many of these patients are affected severely enough to warrant dupilumab treatment is not clear, but will likely include several hundreds of thousands of U.S. adults, said Dr. Han, professor of otolaryngology and chief of the division of allergy at Eastern Virginia Medical School in Norfolk.



The SINUS-24 (A Controlled Clinical Study of Dupilumab in Patients With Nasal Polyps) trial enrolled patients at 76 sites in the United States and in several European countries. The study randomized 143 patients who received standard treatment plus a 300-mg dupilumab subcutaneous injection every 2 weeks, and 133 patients who received standard treatment plus placebo injections. Standard treatment included a nasal corticosteroid spray.

After 24 weeks of treatment, the endoscopically-measured nasal polyp score, which averaged about 6 at baseline on a scale of 0-8, fell by an average of 2.06 points, compared with controls, which was a statistically significant and clinically meaningful change, said Dr. Han.

The second primary endpoint, patient self-assessment of nasal congestion on a scale of 0-3, showed an average 0.89 improvement, compared with controls, which was also a statistically significant and meaningful change from the average baseline score of about 2.4.

Other efficacy measures also showed benefits from treatment, including a substantial improvement compared with controls in a quality-of-life measure. The safety profile was benign compared with placebo, and consistent with existing safety data for the drug.SINUS-24 was funded by Regeneron and Sanofi, the companies that market dupilumab. Dr. Han has been an adviser to Regeneron and Sanofi.

SOURCE: Han JK et al. AAAAI 2019, Abstract L4.

– Dupilumab, an anti-inflammatory drug already approved for use in the United States, met its efficacy endpoints for treating chronic rhinosinusitis with nasal polyps in a pivotal trial with 276 patients.

The results make it likely that dupilumab (Dupixent) will receive a new indication from the Food and Drug Administration, pending similar results in a second pivotal trial for nasal polyps that researchers will report soon. Dupilumab, which works by blocking a receptor for both interleukin 4 and interleukin 13 and thereby shutting down type 2 inflammation, is already approved in the United States for treating atopic dermatitis and asthma.

Type 2 inflammation drives polyp formation in patients with chronic rhinosinusitis that can produce severe nasal congestion, breathing difficulty, and substantially reduced quality of life.

In the new trial, the drug showed efficacy by significantly improving both the nasal congestion score reported by patients and the nasal polyp score measured by sinus endoscopy after 24 weeks on treatment, when compared with control patients on placebo, Joseph K. Han, MD, said at the annual meeting of the American Academy of Allergy, Asthma, and Immunology.

Patients enrolled in the study had chronic, severe sinusitis and nasal polyps that remained uncontrolled despite prior surgery, for 75% of enrolled patients, or treatment with systemic corticosteroids, used on about 90% of the patients within the prior 2 years.

During the 24 weeks of treatment, 23% of patients in the control arm had to restart systemic corticosteroid treatment or have surgery, compared with 7% of patients on dupilumab treatment, a statistically significant difference.

 

 

The new drug is a “game changer,” for these patients, Dr. Han said in a video interview.

In some patients, treatment produced complete polyp resolution. He and his colleagues in the otolaryngology field are now trying to decide exactly which patients with polyps secondary to sinusitis will be good candidates for dupilumab after it receives an expected indication for shrinking nasal polyps.

Roughly 4% of the adult population has chronic rhinosinusitis that generates polyps. How many of these patients are affected severely enough to warrant dupilumab treatment is not clear, but will likely include several hundreds of thousands of U.S. adults, said Dr. Han, professor of otolaryngology and chief of the division of allergy at Eastern Virginia Medical School in Norfolk.



The SINUS-24 (A Controlled Clinical Study of Dupilumab in Patients With Nasal Polyps) trial enrolled patients at 76 sites in the United States and in several European countries. The study randomized 143 patients who received standard treatment plus a 300-mg dupilumab subcutaneous injection every 2 weeks, and 133 patients who received standard treatment plus placebo injections. Standard treatment included a nasal corticosteroid spray.

After 24 weeks of treatment, the endoscopically-measured nasal polyp score, which averaged about 6 at baseline on a scale of 0-8, fell by an average of 2.06 points, compared with controls, which was a statistically significant and clinically meaningful change, said Dr. Han.

The second primary endpoint, patient self-assessment of nasal congestion on a scale of 0-3, showed an average 0.89 improvement, compared with controls, which was also a statistically significant and meaningful change from the average baseline score of about 2.4.

Other efficacy measures also showed benefits from treatment, including a substantial improvement compared with controls in a quality-of-life measure. The safety profile was benign compared with placebo, and consistent with existing safety data for the drug.SINUS-24 was funded by Regeneron and Sanofi, the companies that market dupilumab. Dr. Han has been an adviser to Regeneron and Sanofi.

SOURCE: Han JK et al. AAAAI 2019, Abstract L4.

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