A Pooled Analysis Reporting the Efficacy and Safety of Secukinumab in Male and Female Patients with Ankylosing Spondylitis
Publication year
2021Source
Rheumatology and Therapy, 8, 4, (2021), pp. 1775-1787ISSN
Publication type
Article / Letter to editor
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Organization
Rheumatology
Journal title
Rheumatology and Therapy
Volume
vol. 8
Issue
iss. 4
Page start
p. 1775
Page end
p. 1787
Subject
Radboudumc 5: Inflammatory diseases RIHS: Radboud Institute for Health Sciences; Rheumatology - Radboud University Medical CenterAbstract
INTRODUCTION: Despite of higher disease burden, lower efficacy to biologics has been reported in female compared to male patients with ankylosing spondylitis (AS). The aim of this study was to evaluate the efficacy and safety of secukinumab by sex in patients with active AS from five phase 3 studies (MEASURE 1-5) through 52 weeks. METHODS: Baseline demographics, disease characteristics and efficacy outcomes at Weeks 16 and 52 were summarized for males versus females. Baseline predictor analysis used multivariable logistic regression for binary outcome measures or generalized linear model for continuous outcome measures to assess the impact of sex as one of the independent variables on selected efficacy outcomes at Week 52. RESULTS: Overall, 1031 males and 396 females were included in this analysis. Smoking status, hs-CRP, prior exposure to TNF inhibitors, BASMI occiput-to-wall and tragus-to-wall distance (cm) were higher in males, whereas MASES was higher in females. Efficacy outcomes i.e., ASAS40 responses and BASDAI change from baseline at Weeks 16 and 52 were generally comparable between males and females. Response rates were found to be significantly higher in male patients when compared with female patients only for ASDAS-CRP inactive disease (ID) at Week 52. CONCLUSION: Comparable efficacy and safety outcomes were observed between male and female patients with active AS treated with secukinumab over 52 weeks. Further, sex was not an independent predictor of treatment response to secukinumab as assessed by ASAS40 responder rates and BASDAI change from baseline; association of ASDAS-CRP ID responder rates with sex warrants further exploration. TRIAL REGISTRATION: ClinicalTrials.gov; NCT01358175, NCT01649375, NCT02008916, NCT02159053, and NCT02896127.
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