Questions About Cancer? 1-800-4-CANCER
  • Print
  • Facebook
  • Twitter
  • Google+
  • Pinterest

NCI Dictionary of Cancer Terms

indium In 111 CHX-A DTPA trastuzumab  listen  (IN-dee-um … tras-TOO-zoo-mab)

  A substance being studied in the imaging of breast cancer and some other types of cancer. It is made by attaching a radioactive substance called indium 111 to the monoclonal antibody trastuzumab (Herceptin). Trastuzumab binds to the human growth factor receptor 2 (HER2/neu) on some breast cancer cells and on several other types of cancer cells. Indium In 111 CHX-A DTPA trastuzumab is a type of radioimmunoconjugate.