thioguanine

Definition of thioguanine

thioguanine

(THY-oh-GWAH-neen)
A drug used to treat acute myeloid leukemia. It is also being studied in the treatment of other types of cancer. Thioguanine stops cells from making DNA and RNA and may kill cancer cells. It is a type of antimetabolite. Also called Tabloid.

Source: NCI Dictionary of Cancer Terms