This study will evaluate subjects with adult- and childhood-onset myositis to learn more about their causes, and the immune system changes and medical problems associated with them. Myositis is an inflammatory muscle disease that can damage muscles and other organs, resulting in significant disability.
This study also intends to investigate the genetic and environmental risk factors involved in the development of myositis, an autoimmune muscle disease that causes chronic muscle weakness. Adults and children diagnosed with myositis may enroll by completing questionnaires and donating blood and urine samples.
A single visit and evaluation is all that is required. All patients will undergo a complete history (including completing questionnaires) and physical examination, review of medical records, and blood and urine tests. Patients may then choose to participate in an additional 1 to 5-day evaluation, which will include additional diagnostic or research procedures.
The Adult and Juvenile Myositis Study is run by physicians at the National Institute of Environmental Health Sciences (NIEHS), National Institutes of Health, U.S. Department of Health and Human Services.
Lisa Rider, M.D. is Deputy Chief of the Environmental Autoimmunity Group, and a pediatric rheumatologist with an international reputation for her work on juvenile myositis. She received her B.A. and M.D. from Duke University, completed a pediatrics residency at Seattle Children’s Hospital of University of Washington, and her fellowship in pediatric rheumatology at Seattle Children’s Hospital, Children’s National Medical Center, Washington D.C. and the National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD. She then joined Dr. Frederick Miller’s group in the Center for Biologics Evaluation and Research, Food and Drug Administration and subsequently moved to NIEHS in Bethesda, MD. Dr. Rider’s work has been focused on environmental and genetic risk factors, phenotypes, pathogenesis, outcomes, evaluation, and therapeutic trials in juvenile myositis and other systemic pediatric rheumatic diseases. She has co-led national and international myositis collaborative research groups, and authored from than 170 research publications, reviews, books, and book chapters. She has received several awards of distinction.
Adam Schiffenbauer, M.D. is an Associate Research Physician in the Environmental Autoimmunity Group, and an adult rheumatologist with an expertise in myositis. He received his B.A. from The University of Chicago and his M.D. from Pennsylvania State University. He completed an internal medicine residency at George Washington University, and his fellowship in rheumatology at the National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD. He then joined Dr. Frederick Miller’s group in NIEHS in Bethesda, MD. Dr. Schiffenbauer’s work has been focused on environmental and genetic risk factors, phenotypes, pathogenesis, advanced imaging, evaluation, and therapeutic trials in myositis.
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