MedicalTerminology DB

Meaning of temsirolimus: A drug used to treat advanced renal cell carcinoma (a type of kidney cancer).

Definition of temsirolimus

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 involved in cell division, and may kill cancer cells. It is a type of rapamycin analog and a type of serine/threonine kinase inhibitor. Also called CCI-779 and Torisel.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.