Overview A Open-Label Study Of CP-690,550 As Long-Term Therapy (48 Weeks) In Subjects With Crohn's Disease Status: Completed Trial end date: 2016-07-01 Target enrollment: Participant gender: Summary The study hypothesis is to establish the safety and tolerability of long-term open-label (OL) CP-690,550 therapy in subjects with Crohn's disease. Phase: Phase 2 Details Lead Sponsor: PfizerTreatments: Tofacitinib