temsirolimus
(TEM-sih-ROH-lih-mus)
A drug used to treat advanced renal cell carcinoma (a type of kidney cancer). It is also being studied in the treatment of other types of cancer. Temsirolimus blocks a protein called mTOR, which helps control cell division. Blocking this protein may help keep cancer cells from growing. Temsirolimus is a type of kinase inhibitor. Also called CCI-779 and Torisel.