Testosterone Reduction of ≥ 480 ng/dL Predicts Favorable Prognosis of Japanese Men With Advanced Prostate Cancer Treated With Androgen-Deprivation Therapy

Our data suggested both nadir testosterone (< 20 ng/dL; P = .026) and testosterone reduction (≥ 480 ng/dL; P = .030) to be key prognostic factors for primary ADT in advanced prostate cancer in Japanese men.