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Dictionary of Cancer Terms

View in Spanish: Mapatumumab

Mapatumumab (map-uh-TOO-moo-mab)
A substance being studied in the treatment of some types of cancer. It binds to a protein called TRAIL R1 on the surface of some tumor cells. This may kill the tumor cells. Mapatumumab is a type of monoclonal antibody. Also called anti-TRAIL R1-mAb and HGS-ETR1.

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