Indium 111 DTPA trastuzumab CHX-A. Definition

Medical Definition: Indium 111 DTPA trastuzumab CHX-A

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

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