GnRH Antagonist: a New and an Effective Way of Treatment of Advanced Prostate Cancer.

Castration remains the mainstay of treatment in the management of metastatic prostate cancer. Medical castration plays an important role in a majority of these patients. Gonadotropin releasing hormone (GnRH) agonists have been commonly used hitherto to achieve medical castration. Arrival of GnRH antagonists have opened a new approach in the management of these patients with distinct drug-related and cancer-related benefits including prevention of microsurges and reduction in cardiovascular complications. This article elucidates the mechanism of action of GnRH antagonists along with its clinical advantages and demerits.