Overview Study to Compare Oral PF-06651600, PF-06700841 and Placebo in Subjects With Moderate to Severe Ulcerative Colitis Status: Completed Trial end date: 2021-05-10 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether PF-06651600 and PF-06700841 are effective in treatment of moderate to severe ulcerative colitis. Phase: Phase 2 Details Lead Sponsor: PfizerTreatments: PF-06700841