Overview The Application of Spasmolytic in PCLE Examination of Superior Gastrointestinal Endoscope Status: Completed Trial end date: 2015-06-01 Target enrollment: Participant gender: Summary Scopolamine butylbromide might be helpful for the outcome of superior gastrointestinal endoscope examination. Phase: Phase 1 Details Lead Sponsor: Shandong UniversityTreatments: Butylscopolammonium BromideScopolamineScopolamine Hydrobromide