The changing landscape in metastatic castration-resistant prostate cancer

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Purpose of review

The treatment landscape in metastatic castration-resistant prostate cancer (mCRPC) has significantly changed in the recent years. We provide an updated summary of the new therapeutic agents in this disease and discuss open questions and future challenges.

Recent findings

mCRPC is now known to frequently retain sensitivity to hormonal manipulation even after the development of castration resistance, and both the androgen synthesis inhibitor abiraterone and the androgen-receptor antagonist enzalutamide have recently shown to prolong survival in mCRPC patients after chemotherapy. Cabazitaxel, a new-generation antitubulin chemotherapeutic, and the radionuclide radium-223 chloride have also been shown to prolong survival. The biological agent cabozantinib, an orally bioavailable tyrosine kinase inhibitor with activity against Met and vascular endothelial growth factor receptor 2, demonstrated promising results in a phase II trial and is currently being assessed in two large randomized phase 3 controlled trials.


This recent progress is unprecedented and has already translated to a significant increase in the available armamentarium of drugs for mCRPC. Nonetheless, there are still significant unresolved questions as to the proper sequencing of these novel drugs along the disease continuum. Moreover, the problem of drug resistance, either primary of acquired, continues to be a major therapeutic obstacle.

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