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BioMed Research International
Volume 2015 (2015), Article ID 865146, 8 pages
Clinical Study

Rebamipide Improves Chronic Inflammation in the Lesser Curvature of the Corpus after Helicobacter pylori Eradication: A Multicenter Study

1Division of Gastroenterology, Department of Internal Medicine, Kawasaki Medical School, Kurashiki 701-0192, Japan
2Sato Hospital, Kurashiki, Japan
3Tokutomi Clinic, Iwakuni, Japan
4Watanabe Hospital, Kurashiki, Japan
5Division of Endoscopy and Ultrasound, Department of Clinical Pathology and Laboratory Medicine, Kawasaki Medical School, Kurashiki 701-0192, Japan
6Department of Gastroenterology and Metabolism, Graduate School of Biomedical Sciences, Hiroshima University, Japan
7Department of Endoscopy, Hiroshima University Hospital, Hiroshima, Japan
8Department of General Medicine, Kawasaki Medical School, Kurashiki 701-0192, Japan
9Department of Pathology, Kawasaki Medical School, Kurashiki 701-0192, Japan

Received 19 December 2014; Revised 18 April 2015; Accepted 20 April 2015

Academic Editor: David Bernardo

Copyright © 2015 Tomoari Kamada et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Background and Aim. Although many epidemiologic studies have shown that Helicobacter pylori eradication has prophylactic effects on gastric cancer, it does not completely eliminate the risk of gastric cancer. We aimed to investigate the changes in histological gastritis in patients receiving rebamipide treatment after H. pylori eradication. Methods. 206 patients who had undergone H. pylori eradication were evaluated. Of these, 169 patients who achieved successful eradication were randomly allocated to 2 groups: the rebamipide group (n = 82) and the untreated group (n = 87). The primary endpoints were histopathological findings according to the updated Sydney system at the start of the study and after 1 year. Results. Final assessment for histological gastritis was possible in 50 cases from the rebamipide group and 53 cases from the untreated group. The activity and atrophy improved in both the rebamipide and untreated groups, and no significant intergroup differences were observed. Chronic inflammation affecting the lesser curvature of the corpus was significantly improved in the rebamipide group compared to in the untreated group ( versus ; P = 0.043). Conclusions. Rebamipide treatment after H. pylori eradication alleviated chronic inflammation in the lesser curvature of the corpus compared to that in the untreated group. This trial is registered with UMIN000002369.