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Rebamipide: overview of its mechanisms of action and efficacy in mucosal protection and ulcer healing.

Abstract：

:Rebamipide, a gastroprotective drug, is a compound selected from over 500 amino acid analogs of 2(1H)-quinolinone tested for gastroprotective action and for efficacy to heal experimental gastric ulcers. This drug stimulates prostaglandin generation in gastric mucosa and improves not only the speed but also the quality of ulcer healing. In addition, it protects the gastric mucosa against acute injury caused by various noxious and ulcerogenic factors. Based on these experimental results, rebamipide had been subsequently tested in several clinical trials and approved in Japan for therapeutic use in patients with gastric ulcers and patients with acute gastritis. The main purpose of developing this type of drug was to improve the quality of ulcer healing, especially in that antisecretory drugs lack this advantage. In a preliminary clinical study, rebamipide improved the quality of gastric ulcer healing and reduced future ulcer recurrence. A number of basic research studies have been performed to clarify the mechanisms of rebamipide's action. These studies demonstrated unique properties of rebamipide and convincingly showed that it increases gastric mucus glycoprotein components, stimulates migration and proliferation of wounded epithelial cell monolayers, increases expression of epidermal growth factor and its receptor in normal and ulcerated gastric mucosa, and scavenges active oxygen radicals. The drug also attenuates the activity of neutrophils and the production of inflammatory cytokines stimulated by NSAIDs and/or H. pylori. Therefore, rebamipide can contribute to the management of patients who are taking NSAIDs or are infected with H. pylori. The inhibition of immunoinflammatory responses by rebamipide in H. pylori-infected patients may prevent development of gastritis, peptic ulcer disease, its recurrence, and possibly gastric cancer. Moreover, rebamipide may enhance eradication of H. pylori-infection using standard eradication therapy. Further studies are needed to clarify these possible advantages of rebamipide.

journal_name

Dig Dis Sci

journal_title

Digestive diseases and sciences

authors

Arakawa T,Kobayashi K,Yoshikawa T,Tarnawski A

subject

Has Abstract

pub_date

1998-09-01 00:00:00

pages

5S-13S

issue

9 Suppl

eissn

0163-2116

issn

1573-2568

journal_volume

pub_type

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Rebamipide: overview of its mechanisms of action and efficacy in mucosal protection and ulcer healing.