Key clinical point: Bimekizumab improved disease impact in a rapid and sustained manner in patients with psoriatic arthritis (PsA) who were naive to biologic disease-modifying antirheumatic drugs (bDMARD-naive) or had prior inadequate response to tumor necrosis factor inhibitors (TNFi-IR).
Major finding: A numerically higher proportion of bDMARD-naive patients receiving bimekizumab vs placebo achieved a clinically meaningful improvement in disease impact at week 4 (20.3% vs 2.5%) and 16 (36.8% vs 10.1%). These improvements were sustained till week 52 in patients who received bimekizumab continuously (49.0%) and in those who switched from placebo to bimekizumab (44.4%). Results were similar in the TNFi-IR subgroup.
Study details: Findings are from two phase 3 studies including 1112 patients with PsA who were bDMARD-naive or TNFi-IR and were randomly assigned to receive 160 mg bimekizumab every 4 weeks (n = 698) or placebo with crossover to bimekizumab at week 16 (n = 414) .
Disclosures: This study was sponsored by UCB Pharma. Four authors declared being employees or shareholders of UCB Pharma. Other authors declared various ties with various sources, including UCB Pharma.
Source: Gossec L, Orbai AM, de Wit M, et al. Effect of bimekizumab on patient-reported disease impact in patients with psoriatic arthritis: 1-year results from two phase 3 studies. Rheumatology (Oxford). 2024 (May 16). doi: 10.1093/rheumatology/keae277 Source