Dictionary of Cancer Terms
View in Spanish: Itrio Y 90 DOTA-biotina
Yttrium Y 90 DOTA-biotin (IH-tree-um BY-uh-tin)
A compound that contains the radioisotope yttrium Y 90 linked to the chemical biotin. Biotin is a molecule that binds strongly to the chemical streptavidin. Yttrium Y 90 DOTA-biotin will find tumor cells in the body that have been targeted by an antibody linked to streptavidin and kill them. It is being studied together with CC49-streptavidin in the treatment of cancer. Also called 90Y-DOTA-biotin.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.