RecruitingPhase 4Drug trialA Study to Evaluate the Impact of Upadacitinib on Spondyloarthritis Outcomes in Patients With Active Psoriatic ArthritisA Randomized, Placebo-controlled, Multicenter, Study to Evaluate the Impact of Upadacitinib on Spondyloarthritis Outcomes in Patients with Active Psoriatic Arthritis (UP-SPOUT)