A retrospective study analysed 245 patients who received ≥1 treatment for metastatic castration-resistant disease subsequent to participating in the GETUG-AFU 15 trial. In those who had previously received androgen deprivation therapy (ADT) alone or plus docetaxel for castration-responsive disease, subsequent docetaxel (first-line or second-line) resulted in PSA decline >50% (PSA50) in 45% or 14% of men and bicalutamide resulted in PSA50 in 43% or 17% of men, respectively. Abiraterone or enzalutamide treatment in those who had received ADT plus docetaxel resulted in PSA50 in 53% of men.