Radiographic Progression of Structural Joint Damage Over 5 Years of Baricitinib Treatment in Patients With Rheumatoid Arthritis: Results From RA-BEYOND.
(2022) Journal of Rheumatology — Vol. 49, n° 2, p. 133-141 (2022)
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- (en) OBJECTIVE: To evaluate the effect of baricitinib on inhibiting radiographic progression of structural joint damage over 5 years in patients with active rheumatoid arthritis (RA). METHODS: Patients completed 1 of 3 phase III baricitinib trials (ClinicalTrials.gov: NCT01711359, NCT01710358, or NCT01721057) and entered the long-term extension RA-BEYOND (NCT01885078), in which patients received once-daily 4 mg or 2 mg baricitinib. Across these trials, patients initially receiving methotrexate (MTX) or adalimumab (ADA) switched to baricitinib 4 mg at Week 52. Patients initially receiving placebo (PBO) switched to baricitinib 4 mg at Week 24. Radiographs were scored at baseline and Years 2, 3, 4, and 5. Change from baseline in van der Heijde modified total Sharp score (ΔmTSS) was computed. RESULTS: Overall, 2125 of 2573 (82.6%) randomized patients entered RA-BEYOND; 1837 of 2125 (86.4%) entered this analysis. From Years 3 to 5, higher proportions of disease-modifying antirheumatic drug (DMARD)-naïve patients on initial baricitinib (monotherapy or with MTX) had no progression vs initial MTX (ΔmTSS ≤ 0 at Year 5: 59.6% baricitinib 4 mg; 66.2% baricitinib 4 mg + MTX; 40.7% MTX). Higher proportions of patients with inadequate response (IR) to MTX on initial baricitinib or ADA vs PBO had no progression (ΔmTSS ≤ 0 at Year 5: 54.8% baricitinib 4 mg; 55.0% ADA; 50.3% PBO). Higher proportions of patients with conventional synthetic DMARD-IR on initial baricitinib 4 mg had less progression vs initial PBO or baricitinib 2 mg (ΔmTSS ≤ 0 at Year 5: 66.7% baricitinib 4 mg; 58.2% baricitinib 2 mg; 60.0% PBO). CONCLUSION: Oral baricitinib maintained lower levels of radiographic progression than initial conventional synthetic DMARD or PBO through 5 years in patients with active RA.
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van der Heijde, D., Kartman, C. E., Xie, L., Beattie, S., Schlichting, D., Mo, D., Durez, P., Tanaka, Y., & Fleischmann, R. (2022). Radiographic Progression of Structural Joint Damage Over 5 Years of Baricitinib Treatment in Patients With Rheumatoid Arthritis: Results From RA-BEYOND. Journal of Rheumatology, 49(2), 133-141. https://doi.org/10.3899/jrheum.210346 (Original work published 2022)