Journal
ANNALS OF THE RHEUMATIC DISEASES
Volume 81, Issue 3, Pages 351-358Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/annrheumdis-2021-221048
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- AbbVie
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The study found that treatment with risankizumab resulted in significant improvements in key disease outcomes for patients with PsA who were Bio-IR and/or csDMARD-IR, and was well tolerated.
Objectives Risankizumab is an interleukin-23 inhibitor under study for the treatment of patients with psoriatic arthritis (PsA). The phase 3 KEEPsAKE 2 trial investigated the efficacy and safety of risankizumab versus placebo in patients with active PsA who had previous inadequate response or intolerance to <= 2 biological therapies (Bio-IR) and/or >= 1 conventional synthetic disease-modifying antirheumatic drug (csDMARD-IR). Results through week 24 are reported here. Methods Adults with PsA who were Bio-IR and/or csDMARD-IR were randomised to receive subcutaneously administered risankizumab 150 mg or placebo at weeks 0, 4 and 16 during a 24-week, double-blind treatment period. The primary endpoint was the proportion of patients who achieved >= 20% improvement in American College of Rheumatology score (ACR20) at week 24. Secondary endpoints assessed key domains of PsA and patient-reported outcomes. Results A total of 444 patients (median age 53 years, range 23-84 years) were randomised to risankizumab (n=224) or placebo (n=220); 206 patients (46.5%) were Bio-IR. At week 24, a significantly greater proportion of patients receiving risankizumab achieved the primary endpoint of ACR20 (51.3% vs 26.5%, p<0.001) and all secondary endpoints (p<0.05) compared with placebo. Serious adverse events were reported for 4.0% and 5.5% of risankizumab-treated and placebo-treated patients, respectively; serious infections were reported for 0.9% and 2.3%, respectively. Conclusion Treatment with risankizumab resulted in significant improvements versus placebo in key disease outcomes and was well tolerated in patients with PsA who were Bio-IR and/or csDMARD-IR.
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