BACKGROUND: [^(177)Lu]Lu-PSMA-617 (^(177)Lu-PSMA-617) prolongs radiographic progression-free survival and overall survival in patients with metastatic castration-resistant prostate cancer previously treated with androgen receptor pathway inhibitor (ARPI) and taxane therapy. We aimed to investigate the efficacy of ^(177)Lu-PSMA-617 in patients with taxane-naive metastatic castration-resistant prostate …