European urology
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Beta-emitting Lu-177-labeled prostate-specific membrane antigen (PSMA) radioligand therapy (RLT) is a new option for metastatic castration-resistant prostate cancer (mCRPC), but its antitumor effect can decrease over time. ⋯ Ac-225-labeled prostate-specific membrane antigen (PSMA)-617 therapy showed substantial antitumor effect in late metastatic castration-resistant prostate cancer after Lu-177-PSMA failure. However, dry mouth is a common side effect that caused about a quarter of patients to stop therapy.