NCI Drug Dictionary

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The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

yttrium Y 90 glass microspheres
An injectable formulation of yttrium Y 90 consisting of glass microspheres containing the radioisotope yttrium Y 90. When injected into the tumor vascular bed, yttrium Y 90 glass microspheres occlude tumor blood vessels and deliver a cytotoxic dose of beta radiation to the tumor site, thereby reducing the tumor burden. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
US brand name:TheraSphere