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Medline ® Abstract for Reference 42

of 'Initial treatment of rheumatoid arthritis in adults'

42
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Validation of the methotrexate-first strategy in patients with early, poor-prognosis rheumatoid arthritis: results from a two-year randomized, double-blind trial.
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O'Dell JR, Curtis JR, Mikuls TR, Cofield SS, Bridges SL Jr, Ranganath VK, Moreland LW, TEAR Trial Investigators
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Arthritis Rheum. 2013;65(8):1985.
 
OBJECTIVE: Methotrexate (MTX) taken as monotherapy is recommended as the initial disease-modifying antirheumatic drug for rheumatoid arthritis (RA). The purpose of this study was to examine outcomes of a blinded trial of initial MTX monotherapy with the option to step-up to combination therapy as compared to immediate combination therapy in patients with early, poor-prognosis RA.
METHODS: In the Treatment of Early Rheumatoid Arthritis (TEAR) trial, 755 participants with early, poor-prognosis RA were randomized to receive MTX monotherapy or combination therapy (MTX plus etanercept or MTX plus sulfasalazine plus hydroxychloroquine). Participants randomized to receive MTX monotherapy stepped-up to combination therapy at 24 weeks if the Disease Activity Score in 28 joints using the erythrocyte sedimentation rate (DAS28-ESR) was≥3.2.
RESULTS: Attrition at 24 weeks was similar in the MTX monotherapy and combination groups. Of the 370 evaluable participants in the initial MTX group, 28% achieved lowlevels of disease activity and did not step-up to combination therapy (MTX monotherapy group). The mean±SD DAS28-ESR in participants continuing to take MTX monotherapy at week 102 was 2.7±1.2, which is similar to that in participants who were randomized to immediate combination therapy (2.9±1.2). Participants who received MTX monotherapy had less radiographic progression at week 102 as compared to those who received immediate combination therapy (mean±SD change in modified Sharp score 0.2±1.1 versus 1.1±6.4). Participants assigned to initial MTX who required step-up to combination therapy at 24 weeks (72%) demonstrated similar DAS28-ESR values (3.5±1.3 versus 3.2±1.3 at week 48) and radiographic progression (change in modified Sharp score 1.2±4.1 versus 1.1±6.4 at week 102) as those assigned to immediate combination therapy. The results for either of the immediate combination approaches, whether triple therapy or MTX plus etanercept, were similar.
CONCLUSION: These results in patients with early, poor prognosis RA validate the strategy of starting with MTX monotherapy. This study is the first to demonstrate in a blinded trial that initial MTX monotherapy with the option to step-up to combination therapy results in similar outcomes to immediate combination therapy. Approximately 30% of patients will not need combination therapy, and the 70% who will need it are clinically and radiographically indistinguishable from those who were randomized to receive immediate combination therapy.
AD
University of Nebraska and Omaha VA Medical Center, Omaha, NE 68198-3025, USA. jrodell@unmc.edu
PMID