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Rheumatoid arthritis

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Smolen JS1, Aletaha D1, Barton A2, Burmester GR3, Emery P4,5, Firestein GS6, Kavanaugh A6, McInnes IB7, Solomon DH8, Strand V9, Yamamoto K10. Nat Rev Dis Primers. 2018 Feb 8;4:18001. doi: 10.1038/nrdp.2018.1.

Abstract

Author information

1 Division of Rheumatology, Department of Medicine 3, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria.

2 Arthritis Research UK Centre for Genetics and Genomics and NIHR Manchester Biomedical Research Centre, Manchester Academic Health Sciences Centre, The University of Manchester and Central Manchester Foundation Trust, Manchester, UK.

3 Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany.

4 Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, UK.

5 NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK.

6 Division of Rheumatology, Allergy and Immunology, University of California-San Diego School of Medicine, La Jolla, CA, USA.

7 Institute of Infection Immunity and Inflammation, University of Glasgow, Glasgow, UK.

8 Division of Rheumatology, Brigham and Women's Hospital, Boston, MA, USA.

9 Division of Immunology and Rheumatology, Stanford University, Palo Alto, CA, USA.

10 Laboratory for Autoimmune Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.

Abstract

Rheumatoid arthritis (RA) is a chronic, inflammatory, autoimmune disease that primarily affects the joints and is associated with autoantibodies that target various molecules including modified self-epitopes. The identification of novel autoantibodies has improved diagnostic accuracy, and newly developed classification criteria facilitate the recognition and study of the disease early in its course. New clinical assessment tools are able to better characterize disease activity states, which are correlated with progression of damage and disability, and permit improved follow-up. In addition, better understanding of the pathogenesis of RA through recognition of key cells and cytokines has led to the development of targeted disease-modifying antirheumatic drugs. Altogether, the improved understanding of the pathogenetic processes involved, rational use of established drugs and development of new drugs and reliable assessment tools have drastically altered the lives of individuals with RA over the past 2 decades. Current strategies strive for early referral, early diagnosis and early start of effective therapy aimed at remission or, at the least, low disease activity, with rapid adaptation of treatment if this target is not reached. This treat-to-target approach prevents progression of joint damage and optimizes physical functioning, work and social participation. In this Primer, we discuss the epidemiology, pathophysiology, diagnosis and management of RA.