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Minimal Disease Activity Among Active Psoriatic Arthritis Patients Treated With Secukinumab
2-year results from a multicenter, randomized, double-blind, parallel-group, placebo-controlled phase III study
Coates, L. C., Mease, P. J., Gossec, L., Kirkham, B., Sherif, B., Gaillez, C., Mpofu, S., Jugl, S. M., Karyekar, C., & Gandhi, K. K. (2018). Minimal Disease Activity Among Active Psoriatic Arthritis Patients Treated With Secukinumab: 2-year results from a multicenter, randomized, double-blind, parallel-group, placebo-controlled phase III study. Arthritis care and research : the official journal of the Arthritis Health Professions Association, 70(10), 1529-1535. https://doi.org/10.1002/acr.23537
ObjectiveTo evaluate minimal disease activity (MDA) among psoriatic arthritis (PsA) patients receiving secukinumab through 2 years in the FUTURE 2 study.
MethodsPatients with active PsA were randomized to receive subcutaneous secukinumab 300, 150, or 75 mg or placebo. MDA was assessed in the overall population (anti-tumor necrosis factor [anti-TNF]-naive and inadequate responders [anti-TNF-IR]) and in patients stratified by prior anti-TNF exposure and by time since diagnosis at weeks 16, 24, 52, and 104. Function and patient-reported outcomes (PROs), including health-related quality of life (QoL) and work productivity, were assessed in MDA responders versus nonresponders.
ResultsOverall, 28% of patients (27 of 98) and 23% (23 of 100) achieved MDA at week 16 with secukinumab 300 and 150 mg, respectively, versus 10% (9 of 94) with placebo. In the anti-TNF-naive cohort, a higher proportion of patients achieved MDA at week 16 with secukinumab 300 and 150 mg (34% and 32%, respectively) versus placebo (13%). The corresponding value in the anti-TNF-IR cohort was 15% and 8% with secukinumab 300 and 150 mg, respectively, versus with placebo (3%). At week 16, 27.1% of MDA responders (16 of 59) achieved a very low disease activity (VLDA) response, with the percentage being numerically greater with secukinumab 300 and 150 mg (30% [8 of 27] and 26% [6 of 23], respectively) versus placebo (22% [2 of 9]). The MDA and VLDA responses with secukinumab 300 and 150 mg were sustained through 2 years. MDA responders showed greater improvements in QoL outcomes compared to nonresponders through 2 years.
ConclusionA greater proportion of patients achieved MDA with secukinumab versus placebo at week 16, with response rates sustained through 2 years. MDA was associated with improved PROs, including QoL, through 2 years.