Overview Safety and Efficacy Study of Apremilast to Treat Psoriatic Arthritis Status: Completed Trial end date: 2016-11-17 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether apremilast is safe and effective for treating patients with psoriatic arthritis. Phase: Phase 3 Details Lead Sponsor: AmgenCelgene CorporationTreatments: ApremilastThalidomide