For many years, few therapeutic options were available for the treatment of advanced prostate cancer. Recent advances in our understanding of the molecular biology of prostate cancer, particularly in the transition to castrate resistant disease, have led to the development of more potent and selective endocrine therapies. In addition, elucidation of the many factors in the bone microenvironment that promote the development and subsequent progression of skeletal metastases has led to the discovery of new bone-targeting agents that can delay the onset of skeletal related events and improve quality of life and survival. This review will highlight recently approved novel agents as well as others currently under investigation for the treatment of castrate-resistant prostate cancer (CRPC).
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