A Phase 3, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of Deucravacitinib in Participants With Active Psoriatic Arthritis Who Are Naïve to Biologic Disease-modifying Anti-rheumatic Drugs

The purpose of this study is to evaluate the efficacy and safety of deucravacitinib versus placebo in participants with active psoriatic arthritis who are naïve to biologic disease-modifying anti-rheumatic drugs. The long term extension period will provide additional long-term efficacy and safety information.