Rituximab for the Treatment of Refractory Adult and Juvenile Dermatomyositis (DM) and Adult Polymyositis (PM)

Hospital for Special Surgery (Adult Site), New York

North Shore Long Island Jewish Health System (Adult Site), Lake Success

Children's Hospital of Pittsburgh (Pediatric Site), Pittsburgh

University of Pittsburgh / UPMC (Adult Site), Pittsburgh

Children's Hospital of Philadelphia (Pediatric Site), Philadelphia

University of Pennsylvania (Adult Site), Philadelphia

National Institute of Health (Adult Site), Bethesda

National Institute of Health (Pediatric Site), Bethesda

Duke University Medical Center (Pediatric Site), Durham

University of Miami School of Medicine (Adult Site), Miami

Miami Children's Hospital (Pediatric Site), Miami

University of Alabama Arthritis Intervention Program (Adult Site), Birmingham

Kentucky Clinic (Adult Site), Lexington

Cincinnati's Children's Hospital (Pediatric Site), Cincinnati

University of Michigan Health System (Adult Site), Ann Arbor

Michigan State University (Adult and Pediatric Site), Grand Rapids

Medical College of Wisconsin / Froedtert Memorial Luthern Hospital (Adult Site), Milwaukee

Mayo Clinic (Adult Site), Rochester

Mayo Clinic (Pediatric Site), Rochester

University of Kansas Medical Center (Adult Site), Kansas City

Phoenix Neurological Associates, LTD (Adult Site), Phoenix

Cedars-Sinai Medical Center (Adult Site), Los Angeles

Stanford University (Adult Site), Stanford

Stanford University (Pediatric Site), Stanford

Children's Hospital of Boston (Pediatric Site), Boston

Beth Israel Deaconess Medical Center (Adult Site), Boston

University of Texas Southwestern Medical Center (Adult), Dallas

IWK Health Centre, Halifax

Hospital for Sick Children (Pediatric Site), Toronto

Institute of Rheumatology, Prague

Karolinska Institute, Stockholm