Overview An Effectiveness and Safety Study of CNTO 1275 in Patients With Active Psoriatic Arthritis Status: Completed Trial end date: 2007-09-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the effectiveness and safety of CNTO 1275 (ustekinumab) in patients with psoriatic arthritis. Phase: Phase 2 Details Lead Sponsor: Centocor, Inc.Treatments: Antibodies, MonoclonalUstekinumab