Id http://purl.obolibrary.org/obo/NCIT_C928
http://purl.obolibrary.org/obo/NCIT_C928
Preferred Name

Verapamil

Definitions
A phenylalkylamine calcium channel blocking agent. Verapamil inhibits the transmembrane influx of extracellular calcium ions into myocardial and vascular smooth muscle cells, causing dilatation of the main coronary and systemic arteries and decreasing myocardial contractility. This agent also inhibits the drug efflux pump P-glycoprotein which is overexpressed in some multi-drug resistant tumors and may improve the efficacy of some antineoplastic agents. (NCI04)
Type http://www.w3.org/2002/07/owl#Class
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