Secukinumab, a human anti-interleukin-17A monoclonal antibody, in patients with psoriatic arthritis (FUTURE 2): a randomised, double-blind, placebo-controlled, phase 3 trial

McInnes, I. B. et al. (2015) Secukinumab, a human anti-interleukin-17A monoclonal antibody, in patients with psoriatic arthritis (FUTURE 2): a randomised, double-blind, placebo-controlled, phase 3 trial. Lancet, 386(9999), pp. 1137-1146. (doi:10.1016/s0140-6736(15)61134-5) (PMID:26135703)

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Abstract

Background: Interleukin 17A is a proinflammatory cytokine that is implicated in the pathogenesis of psoriatic arthritis. We assessed the efficacy and safety of subcutaneous secukinumab, a human anti-interleukin-17A monoclonal antibody, in patients with psoriatic arthritis. Methods: In this phase 3, double-blind, placebo-controlled study undertaken at 76 centres in Asia, Australia, Canada, Europe, and the USA, adults (aged ≥18 years old) with active psoriatic arthritis were randomly allocated in a 1:1:1:1 ratio with computer-generated blocks to receive subcutaneous placebo or secukinumab 300 mg, 150 mg, or 75 mg once a week from baseline and then every 4 weeks from week 4. Patients and investigators were masked to treatment assignment. The primary endpoint was the proportion of patients achieving at least 20% improvement in the American College of Rheumatology response criteria (ACR20) at week 24. Analysis was by intention to treat. This study is registered with ClinicalTrials.gov, number NCT01752634. Findings: Between April 14, and Nov 25, 2013, 397 patients were randomly assigned to receive secukinumab 300 mg (n=100), 150 mg (n=100), 75 mg (n=99), or placebo (n=98). A significantly higher proportion of patients achieved an ACR20 at week 24 with secukinumab 300 mg (54 [54%] patients; odds ratio versus placebo 6·81, 95% CI 3·42–13·56; p<0·0001), 150 mg (51 [51%] patients; 6·52, 3·25–13·08; p<0·0001), and 75 mg (29 [29%] patients; 2·32, 1·14–4·73; p=0·0399) versus placebo (15 [15%] patients). Up to week 16, the most common adverse events were upper respiratory tract infections (four [4%], eight [8%], ten [10%], and seven [7%] with secukinumab 300 mg, 150 mg, 75 mg, and placebo, respectively) and nasopharyngitis (six [6%], four [4%], six [6%], and eight [8%], respectively). Serious adverse events were reported by five (5%), one (1%), and four (4%) patients in the secukinumab 300 mg, 150 mg, and 75 mg groups, respectively, compared with two (2%) in the placebo group. No deaths were reported. Interpretation: Subcutaneous secukinumab 300 mg and 150 mg improved the signs and symptoms of psoriatic arthritis, suggesting that secukinumab is a potential future treatment option for patients with this disorder.

Item Type:Articles
Additional Information:Medical Research Council Funding. Infrastructure for collaboration: Leeds MRC Medical Bioinformatics Centre (MR/L01629X/1).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:McInnes, Professor Iain
Authors: McInnes, I. B., Mease, P. J., Kirkham, B., Kavanaugh, A., Ritchlin, C. T., Rahman, P., van der Heijde, D., Landewé, R., Conaghan, P. G., Gottlieb, A. B., Richards, H., Pricop, L., Ligozio, G., Patekar, M., and Mpofu, S.
College/School:College of Medical Veterinary and Life Sciences > Institute of Infection Immunity and Inflammation
Journal Name:Lancet
Publisher:Lancet Publishing Group
ISSN:0140-6736
ISSN (Online):1474-547X
Copyright Holders:Copyright © 2015
First Published:First published in Lancet 386(9999):1137-1146
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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