A Multicenter, Randomized, Double-Blind, Placebo Controlled 24-Week Study Followed by Long Term Evaluation of Efficacy and Safety of Ixekizumab (LY2439821) in Biologic Disease-Modifying Antirheumatic Drug-Experienced Patients With Active Psoriatic Arthritis

The main purpose of this study is to evaluate how effective and safe the study drug known as ixekizumab is in participants with active psoriatic arthritis.

本研究的核心目的为评估研究药物依奇珠单抗（ixekizumab）在活动性银屑病关节炎（psoriatic arthritis）受试者中的有效性与安全性。