Rebamipide, an

amino acid Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins. Only these 22 a ...

derivative of 2-(1''H'')-quinolinone, is used for

mucosal A mucous membrane or mucosa is a membrane that lines various cavities in the body of an organism and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue. It is ...

protection, healing of gastroduodenal ulcers, and treatment of

gastritis Gastritis is the inflammation of the lining of the stomach. It may occur as a short episode or may be of a long duration. There may be no symptoms but, when symptoms are present, the most common is upper abdominal pain (see dyspepsia). Othe ...

. It works by enhancing mucosal defense, scavenging free

radicals Radical (from Latin: ', root) may refer to: Politics and ideology Politics *Classical radicalism, the Radical Movement that began in late 18th century Britain and spread to continental Europe and Latin America in the 19th century *Radical politics ...

, and temporarily activating genes encoding

cyclooxygenase-2 Cyclooxygenase-2 (COX-2), also known as prostaglandin-endoperoxide synthase 2 ( HUGO PTGS2), is an enzyme that in humans is encoded by the ''PTGS2'' gene. In humans it is one of three cyclooxygenases. It is involved in the conversion of arachid ...

. Studies have shown that rebamipide can fight the damaging effects of NSAIDs on the

GIT Git () is a distributed version control system that tracks versions of files. It is often used to control source code by programmers who are developing software collaboratively. Design goals of Git include speed, data integrity, and suppor ...

mucosa, and more recently, the small intestine, but not for naproxen-induced gastric damage.

Availability

Rebamipide is used in a number of Asian countries including

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

(marketed as Mucosta),

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

and

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

(where it is marketed under the trade name Rebagen). It is also approved in

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

under the brand name Rebagit.

Effects

Rebamipide increases gastric mucosal prostaglandin E2, protects gastric mucosa, thereby suppresses gastric mucosal damage and increases gastric mucus secretion and gastric mucosal blood flow, to improve hemodynamic impairment, suppress inflammation and repair the gastric mucosa. It is usually used to treat gastric ulcer and improve gastric mucosal lesion (erosion, bleeding, redness and edema) in acute gastritis and acute exacerbation period of chronic gastritis.

References

* Rebamipide Tablets 100mg "Kyorin", https://www.rad-ar.or.jp/siori/english/search/result?n=39008 {{Drugs for peptic ulcer and GORD Alpha-Amino acids 2-Quinolones Benzamides 4-Chlorophenyl compounds