International journal of urology : official journal of the Japanese Urological Association
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Randomized Controlled Trial
Abiraterone acetate for metastatic castration-resistant prostate cancer after docetaxel failure: A randomized, double-blind, placebo-controlled phase 3 bridging study.
To evaluate the efficacy and safety of abiraterone acetate-prednisone versus placebo-prednisone in Asian metastatic castration-resistant prostate cancer patients who have failed docetaxel-based chemotherapy. ⋯ Abiraterone-prednisone significantly delays disease and pain progression, and prostate-specific antigen, with a favorable benefit-risk ratio in Asian metastatic castration-resistant prostate cancer patients in the post-docetaxel setting.
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Since 1941, androgen deprivation therapy has been the primary treatment for metastatic hormone-sensitive prostate cancer. Androgen deprivation therapy consists of several regimens that vary according to therapeutic modality, as well as treatment schedule. Androgen deprivation therapy initially shows excellent antitumor effects, such as relief of cancer-related symptoms, tumor marker decline and tumor shrinking. ⋯ Recently, upfront docetaxel chemotherapy has been shown to prolong overall survival in men with metastatic hormone-sensitive prostate cancer, and would lead to a paradigm shift in primary pharmacotherapy for metastatic hormone-sensitive prostate cancer. This raises the possibility of upfront use of taxanes, as well as novel androgen receptor-targeting agents combined with androgen deprivation therapy. The present review summarizes the current status of primary pharmacotherapy for metastatic hormone-sensitive prostate cancer, and discusses future perspectives in this field.