Overview A Study of Safety and Effectiveness of JNJ-54781532 in Patients With Moderately to Severely Active Ulcerative Colitis Status: Completed Trial end date: 2015-12-05 Target enrollment: Participant gender: Summary The purpose of the study is to evaluate dose response of JNJ-54781532 in participants with moderately to severely active ulcerative colitis (UC). Phase: Phase 2 Details Lead Sponsor: Janssen Research & Development, LLCTreatments: NiacinamidePeficitinib