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Five-year treat-to-target outcomes after methotrexate induction therapy with or without other csDMARDs and temporary glucocorticoids for rheumatoid arthritis in the CareRA trial

Authors
  • Stouten, Veerle; 106536;
  • Westhovens, Rene; 8450;
  • Pazmino, Sofia; 112172;
  • De Cock, Diederik; 71992;
  • van der Elst, Kristien;
  • Joly, Johan;
  • Bertrand, Delphine; 126324;
  • Verschueren, Patrick; 4770;
Publication Date
Aug 01, 2021
Source
Lirias
Keywords
Language
English
License
Unknown
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Abstract

OBJECTIVES: To compare outcomes of different treatment schedules from the care in early rheumatoid arthritis (CareRA) trial over 5 years. METHODS: Patients with RA completing the 2-year CareRA randomised controlled trial were eligible for the 3-year observational CareRA-plus study. 5-year outcomes after randomisation to initial methotrexate (MTX) monotherapy with glucocorticoid bridging (COBRA-Slim) were compared with MTX step-up without glucocorticoids or conventional synthetic disease-modifying antirheumatic drug (DMARD) combinations with glucocorticoid bridging, per prognostic patient group. Disease activity (Disease Activity Score based on 28 joints calculated with C reactive protein (DAS28-CRP)) and functionality (Health Assessment Questionnaire (HAQ)) were compared between treatment arms using longitudinal models; safety and drug use were detailed. RESULTS: Of 322 eligible patients, 252 (78%) entered CareRA-plus, of which 203 (81%) completed the study. Treatments for high-risk patients resulted in comparable DAS28-CRP (p=0.539) and HAQ scores over 5 years (p=0.374). Low-risk patients starting COBRA-Slim had lower DAS28-CRP (p<0.001) and HAQ scores (p=0.041) than those starting only on MTX. At study completion, 114/203 (56%) patients never had their original DMARD therapy intensified, with comparable rates between all treatments. Safety was comparable between treatments in high-risk patients. In low-risk patients, there were 18 adverse events in 10 COBRA-Slim and 36 in 17 patients treated with initial MTX monotherapy (p=0.048). Over 5 years, 22% of patients initiated biologics, 25% took glucocorticoids for >3 months and 17% for >6 months outside the bridging period. CONCLUSIONS: All intensive treatments with glucocorticoids bridging demonstrated excellent 5 year outcomes. Initiating COBRA-Slim was comparably effective as more complex treatments for high-risk patients with early RA and more effective than initial MTX monotherapy for low-risk patients with limited need for biologics and chronic glucocorticoid use. / status: published

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