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Dictionary of Cancer Terms

View in Spanish: Inhibidor de la topoisomerasa II RTA 744

Topoisomerase II inhibitor RTA 744 (TOH-poh-i-SAH-meh-rays .. in-HIH-bih-ter)
A substance being studied in the treatment of adult brain tumors. Topoisomerase II inhibitor RTA 744 crosses the blood-brain barrier and blocks an enzyme needed for cancer growth. It is a type of topoisomerase inhibitor. Also called RTA 744.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.