EB-PSMA-617 is a modified form of PSMA-617 that has enhanced pharmacokinetic properties by conjugating it to Evans Blue (EB) to extend its circulation half-life to improve prostate tumor uptake and radiotherapy efficacy. In preclinical studies using PC3-PIP-loaded mice, EB-PSMA-617 demonstrated prolonged blood half-life, increased accumulation in PSMA-positive tumors, and successful tumor elimination with lower radioactivity.