Atrasentan Hydrochloride

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** The orally available hydrochloride salt of pyrrolidine-3-carboxylic acid with potential antineoplastic activity. As a selective antagonist of the endothelin-A (ETA) receptor, atrasentan binds selectively to the ETA receptor, which may result in inhibition of endothelin-induced angiogenesis and tumor cell proliferation.

**Synonyms:** - (+)-A 127722 - (2R,3R,4S)-4-(1,3-Benzodioxo-5-yl)-1-(2-(dibutylamino)-2-oxoethyl)-2-(4-methoxyphenyl)-3-pyrrolidinecarboxylic Acid Monohydrochloride - ABT-627 - ATRASENTAN HYDROCHLORIDE - Xinlay