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Efficacy and Safety of Guselkumab, an Interleukin-23p 19-Specific Monoclonal Antibody, Through One Year in Biologic-Naive Patients With Psoriatic Arthritis
Journal article   Open access

Efficacy and Safety of Guselkumab, an Interleukin-23p 19-Specific Monoclonal Antibody, Through One Year in Biologic-Naive Patients With Psoriatic Arthritis

Iain B. McInnes, Proton Rahman, Alice B. Gottlieb, Elizabeth C. Hsia, Alexa P. Kollmeier, Soumya D. Chakravarty, Xie L. Xu, Ramanand A. Subramanian, Prasheen Agarwal, Shihong Sheng, …
Arthritis & rheumatology (Hoboken, N.J.), v 73(4), pp 604-616
01 Apr 2021
DOI: https://doi.org/10.1002/art.41553
PMID: 33043600
Featured in Collection :   UN Sustainable Development Goals @ Drexel
url
https://doi.org/10.1002/art.41553View
Published, Version of Record (VoR)CC BY-NC-ND V4.0,  Open

Abstract

Life Sciences & Biomedicine Rheumatology Science & Technology
Objective Guselkumab, a human monoclonal antibody specific to interleukin-23p19, demonstrated efficacy and safety versus placebo through week 24 of the phase III DISCOVER-2 trial in biologic-naive patients with psoriatic arthritis (PsA). Here we report 1-year DISCOVER-2 findings. Methods Adults with active PsA (>= 5 swollen and >= 5 tender joints; C-reactive protein level >= 0.6 mg/dl) despite standard nonbiologic treatment were randomized to receive subcutaneous injections of guselkumab 100 mg every 4 weeks, guselkumab 100 mg at week 0, week 4 and every 8 weeks thereafter, or placebo with crossover to guselkumab 100 mg every 4 weeks at week 24. We primarily evaluated clinical efficacy through week 52 by imputing missing data (nonresponse for categorical end points; no change/using multiple imputation for continuous end points). Observed radiographic scores and adverse events (AEs) were summarized. Results Of 739 randomized, treated patients, 93% completed week 52. The proportions of patients in whom a >= 20% improvement from baseline in American College of Rheumatology criteria (ACR20) was achieved were maintained after week 24, reaching 71% (173 of 245) and 75% (185 of 248) for patients randomized to receive treatment every 4 weeks or every 8 weeks, respectively, by week 52. The proportions of patients in whom ACR50/ACR70 and skin responses, minimal or very low disease activity, and dactylitis or enthesitis resolution were achieved at week 24 were also maintained through week 52. Further, low levels of radiographic progression, along with improvements in physical function and health-related quality of life, were sustained through week 52 with continued guselkumab treatment. Few patients experienced serious infections through week 52, with no evidence of a dosing regimen response or increase from weeks 0-24 (4 of 493 [0.8%]) to weeks 24-52 (3 of 493 [0.6%]) among guselkumab-randomized patients. No patient developed an opportunistic infection or died. Conclusion In biologic-naive PsA patients, guselkumab provided sustained improvements across diverse manifestations and maintained a favorable risk-benefit profile through week 52.

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#3 Good Health and Well-Being

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Web of Science research areas
Rheumatology
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