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NCI Drug Dictionary


yttrium Y 90 monoclonal antibody B3 
A radioimmunoconjugate of monoclonal antibody (MoAb) B3 conjugated with isotope yttrium 90. MoAb B3 is a murine MoAb that recognizes a Lewis Y carbohydrate antigen present on the surface of many carcinomas. This radioimmunoconjugate emits beta particles that causes cytotoxicity in tumor cells and has both diagnostic and therapeutic uses. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
Synonyms:90 Y-B3
MOAB B3, yttrium Y 90
Y 90 monoclonal antibody B3