Similarly, the median PSA-PFS from diagnosis of OM-CRPC to PSA progression to ARAT was not reached in the PSDT group, significantly longer than 16.8 months in the non-PSDT group (HR, 0.11; 95% CI, 0.03–0.33; p < 0.0001, Figure 3). Here, KLK3 is linked to ocular melanoma.