Is Rebamipide Effective on the Healing of Iatrogenic Gastric Ulcer After Endoscopic Mucosal Resection?
Is Rebamipide Effective on the Healing of Iatrogenic Gastric Ulcer After Endoscopic Mucosal Resection?
Treatment strategy of post endoscopic submucosal dissection (ESD) ulcer is not yet
 conclusive. Rebamipide is a mucosal protective agent widely used in East Asia and has good
 effect on quality of ulcer healing (QOUH). The investigators will conduct this randomized
 controlled study to assess the effect of a combination therapy of rebamipide and proton pump
 inhibitor (PPI) on post ESD ulcer healing.
Inclusion Criteria:

 -  patients underwent ESD for gastric adenoma or cancer

 Exclusion Criteria:

 -  subjects with previous gastric surgery

 -  subjects taking aspirin, anticoagulant, or antiplatelet agent

 -  subjects having malignancy except gastric cancer

 -  pregnant or breast-feeding women