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In early rheumatoid arthritis, patients with a good initial response to methotrexate have excellent 2-year clinical outcomes, but radiological progression is not fully prevented: data from the methotrexate responders population in the SWEFOT trial

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Author

Summary, in English

Objective To investigate the 2-year clinical and radiological outcomes of patients with early rheumatoid arthritis (RA; symptom duration <1 year) who had initially responded well to methotrexate monotherapy. Methods In the SWEFOT trial, all 487 patients started methotrexate (target dose 20 mg/week). After 3-4 months, 147 had low disease activity, 28-joint based disease activity score (DAS28) <= 3.2. These patients were not randomly selected but were followed in regular care for 2 years. Clinical outcomes and radiographic progression according to the van der Heijde modified Sharp (SvdH) score were analysed. Results The majority of the 147 patients continued on methotrexate monotherapy. After 1 and 2 years, DAS28 remission was achieved in 59.6% and 71.8% and mean observed DAS28 values were 2.53 and 2.25, respectively. Despite the favourable clinical course, a proportion of the patients progressed radiographically with a mean (SD) increase in the SvdH score after 2 years of 3.90 (6.84). There was no significant difference in progression between patients in DAS28 remission versus not in remission (p=0.73). At baseline, approximately half the patients had no radiographic damage, while after 2 years the proportion was approximately 20%. Conclusion Most early RA patients who achieve low disease activity after 3-4 months of methotrexate monotherapy continue to have low disease activity during 2 years follow-up, and additional treatment is needed infrequently. Some radiological progression occurs in most patients, and may be marked or severe in some, even despite sustained DAS28 remission. Close monitoring for radiological progression is thus warranted.

Publishing year

2012

Language

English

Pages

186-191

Publication/Series

Annals of the Rheumatic Diseases

Volume

71

Issue

2

Document type

Journal article

Publisher

BMJ Publishing Group

Topic

  • Rheumatology and Autoimmunity

Status

Published

ISBN/ISSN/Other

  • ISSN: 1468-2060