tetrahydrouridine
(TEH-truh-HY-droh-YOOR-ih-deen)
A substance being studied in the treatment of some types of cancer. It may help make cancer cells easier to kill with radiation therapy. Tetrahydrouridine is a type of radiosensitizing agent, a type of multidrug resistance modulator, and a type of cytidine deaminase inhibitor. Also called THU.