The treatment of a castration-resistant prostate cancer can be immediate or delayed according to the circumstances and the time of its occurrence. New therapeutic targets have been determined with basic tumor biology studies. Treatments available or on development are various and range from estrogens to new anti-androgens. Endothelin inhibitors, abiraterone, MDV3100 or RD162 are the most promising examples but they require to enroll patients in therapeutic trials.
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