Association between enthesitis/dactylitis resolution and patient-reported outcomes in guselkumab-treated patients with psoriatic arthritis

Author:

Rahman ProtonORCID,McInnes Iain B.ORCID,Deodhar AtulORCID,Schett GeorgORCID,Mease Phillip J.ORCID,Shawi MayORCID,Cua Daniel J.,Sherlock Jonathan P.ORCID,Kollmeier Alexa P.ORCID,Xu Xie L.,Sheng Shihong,Ritchlin Christopher T.ORCID,McGonagle DennisORCID

Abstract

Abstract Objectives To evaluate the association between enthesitis resolution (ER) and dactylitis resolution (DR) and meaningful improvements in patient-reported outcomes (PROs) among biologic-naïve patients with PsA receiving guselkumab in the DISCOVER-2 study. Methods Enthesitis and dactylitis, characteristic lesions of PsA, were evaluated by independent assessors using the Leeds Enthesitis Index (range, 0–6) and Dactylitis Severity Score (range, 0–60). Proportions of patients with ER or DR (score = 0) among those with score > 0 at baseline were determined at weeks 24, 52, and 100. PROs included: fatigue (Functional Assessment of Chronic Illness Therapy-Fatigue [FACIT-Fatigue]), pain (0–100 visual analog scale), physical function (Health Assessment Questionnaire-Disability Index [HAQ-DI]), and health-related quality of life (36-item Short-Form Health Survey physical/mental component summary [SF-36 PCS/MCS]). Meaningful responses were defined as: improvements of ≥ 4 for FACIT-Fatigue, ≥ 0.35 for HAQ-DI, and ≥ 5 for SF-36 PCS/MCS and absolute scores of ≤ 15 for minimal pain and ≤ 0.5 for normalized HAQ-DI. Associations between ER/DR status and PRO response status were tested using a Chi-square test. Results Guselkumab-treated patients with ER were more likely than those without ER to achieve minimal pain (p < 0.001), normalized HAQ-DI (p < 0.001), and PCS response (p < 0.05) at weeks 24, 52, and 100. Patients with DR were more likely than those without DR to achieve FACIT-Fatigue response at week 24 and week 52 (both p ≤ 0.01) and minimal pain at week 24 and normalized HAQ-DI at week 52 (both p ≤ 0.03). Conclusion In biologic-naïve patients with active PsA treated with guselkumab, achieving ER or DR was associated with durable improvements in selected PROs, including those of high importance to patients. Trial registration ClinicalTrials.gov (https://clinicaltrials.gov) NCT03158285; Registered: May 16, 2017. Key Points At week 100, 65% and 76% of guselkumab-treated patients achieved enthesitis and dactylitis resolution (ER/DR).Achieving ER was associated with achieving DR and vice versa through the end of study.Achieving ER or DR was associated with durable and meaningful improvements in selected patient-reported outcomes.

Funder

Janssen Research and Development

Publisher

Springer Science and Business Media LLC

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