NCT00486512 2020-09-03Chemoprevention of Colorectal AdenomasColotech A/SPhase 3 Terminated350 enrolled
NCT00032344 2018-08-31Long-term Follow-up Study Designed to Evaluate the Relative Risk of Two Colonoscopy Schedules for Patients With Small PolypsVA Office of Research and DevelopmentPhase 3 Completed3,200 enrolled