" /> Actinium Ac 225 PSMA-I&T - CISMeF





Preferred Label : Actinium Ac 225 PSMA-I&T;

NCIt synonyms : Actinium Ac 225-labeled PSMA-I&T; 225Ac-PSMA I&T;

NCIt definition : A radioconjugate composed of PSMA-I&T, a human prostate-specific membrane antigen (PSMA)-targeting ligand that is linked via the bifunctional tmacrocyclic chelating agent 1,4,7,10-tetraazacyclododecane-1-(glutamic acid)-4,7,10-triacetic acid (DOTAGA; DOTA-GA), to the alpha-emitting radioisotope actinium Ac 225, with potential antineoplastic activity. Upon administration of actinium Ac 225 PSMA-I&T, PSMA-I&T targets and binds to PSMA-expressing tumor cells. Upon binding, the radioisotope moiety delivers a cytotoxic dose of alpha radiation to PSMA-expressing tumor cells. PSMA, a tumor-associated antigen (TAA) and type II transmembrane protein, is expressed on the membrane of prostatic epithelial cells and overexpressed on prostate tumor cells as well as a variety of other solid tumors.;

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14/05/2024


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