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The rabeprazole group will receive oral rabeprazole 20mg twice day (morning and evening) 30 minutes before meals from 5 days before EMR (D-5) to 1 day before EMR (D-1).

rabeprazole

The placebo group will receive a placebo by mouth twice a day (morning and evening) 30 minutes before meals from 5 days before EMR (D-5) to 1 day before EMR (D-1).

placebo

MyungKu Choi, MD

The purpose of this study is:

* To examine if oral administration of Pariet (proton pump inhibitor, 20mg tablets, twice daily for 5 days) before Endoscopic mucosal resection(EMR) exhibits preventive effects of ulcer bleeding compared with placebo group (preoperative administration of placebo)
* To evaluate the effects on the suppression of acid secretion of preoperative administration of an Proton pump inhibitor

* Endoscopic mucosal resection (EMR) is less invasive than surgery and is known to be general treatment for early gastric cancer or gastric adenoma when patients' quality of life is taken into consideration. However, major complications such as bleeding and perforation remain to be problematic.1-5 The incidence of these complications is expected to rise as the size of lesions for which EMR is indicated has enlarged. Histamine 2 receptor antagonists (H2RA) and proton pump inhibitors (PPI) have been used for the bleeding,1-3 but the bleeding rate following EMR has been reported to be still high as 1.4% to 24%.1,4 Green et al and Berstad et al cited in their research that intragastric PH should be sustained above 5.4 to prevent bleeding, and PPIs should be administered instead of H2RAs to keep PH above 5.4. Being studied are administration modalities to enhance the therapeutic efficacy of PPIs or H2RAs.1-3 Several studies have already demonstrated that high-dose PPI therapy, for which a PPI was administered twice daily, effectively blocks acid secretion by increasing intragastric pH to neutral.3 Our study team also suggested in a previous study that high-dose PPI therapy was adequate to maintain intragastric pH above 6.
* PPIs are known to induce the suppression of acid secretion because they destroy a proton pump, yet it takes 5 days to achieve their maximum effects.7,8 It's been suggested that the onset of PPIs is slow to prevent bleeding with administration of a PPI after EMR.4 Therefore, our investigators expect that 5-day administration of an oral PPI before EMR would increase intragastric pH to above 6 and would be at least equal to or superior to intravenous PPIs currently being used in terms of the suppression of acid secretion.
* This is a prospective, randomized, comparative study to substantiate that oral administration of rabeprazole (Pariet tablets) 20mg twice daily before and after EMR (PO RBP group) will show similar effects on the prevention of bleeding compared with the conventional treatment with iv administration of pantoprazole after EMR but no special medication given before EMR (Placebo group). In addition, we are going to measure intragastric pH among part of study subjects and then to evaluate if the effect of acid suppression in the PO RBP group is superior to that in the placebo group.

Effects of Oral Rabeprazole on the Prevention of Ulcer Bleeding Following Endoscopic Mucosal Resection

Effects of Preoperative Administration of Oral Rabeprazole on the Prevention of Ulcer Bleeding Following Endoscopic Mucosal Resection(EMR): Prospective, Randomized, Placebo-controlled, Comparative Study

Janssen Korea, Ltd., Korea

The Catholic University of Korea

MD, PhD

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
Effects of Oral Rabeprazole on the Prevention of Ulcer Bleeding Following Endoscopic Mucosal Resection	NCT00844675	Early Gastric A... Adenocarcinoma,...	rabeprazole placebo	18 Years - 70 Years	The Catholic University of Korea
Effects of Oral Rabeprazole on the Prevention of Ulcer Bleeding Following Endoscopic Mucosal Resection	NCT00844675	Early Gastric A... Adenocarcinoma,...	rabeprazole placebo	18 Years - 70 Years	The Catholic University of Korea

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