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.

zirconium Zr 89 desferrioxamine B monoclonal antibody huJ591
A radioimmunoconjugate comprised of the recombinant humanized monoclonal antibody J591 against prostate-specific membrane antigen (PSMA) conjugated to chelator desferrioxamine B (DFO-B) and labeled with the radioisotope zirconium Zr 89 with potential imaging property used in positron emission tomography (PET) imaging. Upon administration of zirconium Zr 89 desferrioxamine B monoclonal antibody huJ591, the antibody moiety binds to the extracellular domain of PSMA, and the radioisotope moiety may be detected using PET, thereby allowing the imaging and quantification of PSMA-expressing tumor cells. PSMA, or folate hydrolase is a cell surface peptidase highly expressed by malignant prostate epithelial cells and vascular endothelial cells of numerous solid tumor malignancies. In addition, upon PET imaging this agent provides high tumor:background tissue ratios. Check for active clinical trials or closed clinical trials using this agent.
Synonym:89Zr-DFO-huJ591
Abbreviation:89Zr-DFO-J591