A chronic, erosive arthritis that requires early and aggressive treatment.
Diagnosed clinically. Laboratory and radiographic testing provide prognostic information more often than diagnostic information.
Methotrexate is the anchor drug for the treatment of RA.
Disease activity scores (e.g., 28-joint count version of disease activity score [DAS28], clinical disease activity index [CDAI], simplified disease activity index [SDAI], routine assessment patient index data [RAPID3]) are used routinely to provide optimum care for RA patients.
Rheumatoid arthritis (RA) is a chronic inflammatory condition affecting around 1% of the population, making it the most common inflammatory arthritis seen by physicians.  It primarily affects the small joints of the hands and feet and, if not treated aggressively, can be a major cause of work loss, decreased quality of life, need for joint replacement surgery, and mortality.  RA is a clinical diagnosis with laboratory and radiographic tests helping to confirm the diagnosis and providing useful prognostic information.
Seligman Center for Advanced Therapeutics
Behcet's Syndrome Evaluation Treatment and Research Center
New York University Hospital for Joint Diseases
YY receives research support from BMS, Celgene, and Genentech.
Department of Rheumatology
Royal Derby Hospital
CD has received honoraria for talks at symposia sponsored by Wyeth and Abbott.
Nuffield Orthopaedic Centre
Senior Lecturer in Rheumatology
Botnar Research Centre
University of Oxford
RL declares that he has no competing interests.
Professor of Medicine
Section of Rheumatology
University of Wisconsin
AB has received fees for speaking and consulting from Abbott, BMS, UCB, and Genentech.
Emeritus Professor of Rheumatic Diseases
School of Clinical Sciences
University of Bristol
JK declares that he has no competing interests.
Professor of Rheumatology
Arthritis Research UK
Leeds Institute of Rheumatic and Musculoskeletal Medicine
University of Leeds
Leeds Musculoskeletal Biomedical Research Unit
Leeds Teaching Hospitals NHS Trust
Associate Professor of Medicine
Division of Rheumatology
Washington University School of Medicine
PR declares that she has no competing interests.
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