NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,614 terms related to cancer and medicine.

We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.

ibritumomab tiuxetan
(ih-brih-TOO-moh-mab ty-UK-seh-tan)
A drug used to treat certain types of B-cell non-Hodgkin lymphoma. It is also being studied in the treatment of other types of cancer. Ibritumomab tiuxetan contains a monoclonal antibody that binds to a protein called CD20, which is found on B cells and some types of lymphoma cells. It also contains the compound tiuxetan, which allows certain radioactive substances to be attached to the monoclonal antibody. This may help kill cancer cells. Ibritumomab tiuxetan is a type of monoclonal antibody and a type of immunoconjugate. Also called Zevalin.