Dictionary of Cancer Terms
View in Spanish: XR9576
XR9576
A substance that is being studied in the treatment of cancer. It may help tumor cells respond again to drugs they have become resistant (unable to respond) to. XR9576 is a type of multidrug resistance inhibitor and a type of P-glycoprotein antagonist. Also called tariquidar.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.