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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms

tremelimumab  listen  (treh-meh-LIM-yoo-mab)

  A substance being studied in the treatment of some types of cancer. Tremelimumab binds to a protein called CTLA-4, which is found on the surface of T cells (a type of white blood cell). It may block CTLA-4 and help the immune system kill cancer cells. Tremelimumab is a type of monoclonal antibody and a type of immunomodulatory agent.