vascular endothelial growth factor receptor tyrosine kinase inhibitor
(VAS-kyoo-ler EN-doh-THEE-lee-ul grothe FAK-ter reh-SEP-ter TY-ruh-seen KY-nays in-HIH-bih-ter)
A substance that blocks an enzyme needed to form blood vessels. Also called VEGFR tyrosine kinase inhibitor.