The prostate-specific membrane antigen (PSMA) is a cell surface protein, which is overexpressed in nearly all cases of prostate cancer (PCa). PET imaging with (68)Ga-PSMA-HBED-CC has recently found widespread application in the diagnosis of recurrent PCa.
In this study we investigated for the first time the influence of 2-aminoethyl-piperazine-1-carboxylic acid (APCA) and amino-hexanedioic-1-acid (AHDA) on tumor uptake and elimination kinetics of [(64) Cu]radiolabeled GRPR antagonists.
We radiolabeled a ligand, PSMA-617, of prostate-specific membrane antigen (PSMA) with copper-64 (64Cu), to evaluate the metabolism, biodistribution, and potential of [64Cu]PSMA-617 for PET imaging of prostate cancer.
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