Overview Effect of Benadryl Sedation During ERCP or EUS Status: Withdrawn Trial end date: 2007-07-01 Target enrollment: Participant gender: Summary The purpose of the study is to determine if adding Benadryl improves sedation for patients scheduled to undergo ERCP or EUS procedures. Phase: Phase 1 Details Lead Sponsor: University of RochesterTreatments: DiphenhydraminePromethazine