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Dictionary of Cancer Terms

View in Spanish: Anticuerpo monoclonal M5A anti-CEA marcado con itrio (Y90) DOTA

Yttrium Y 90 DOTA anti-CEA monoclonal antibody M5A (IH-tree-um … MAH-noh-KLOH-nul AN-tee-BAH-dee …)
A substance being studied in the treatment of some types of cancer. M5A is a monoclonal antibody that binds to a protein called CEA on the surface of some tumor cells. It is linked to a radioisotope called yttrium Y 90, which may help kill the cancer cells. Yttrium Y 90 DOTA anti-CEA monoclonal antibody M5A is a type of radioimmunoconjugate and a type of radiopharmaceutical.

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