5. Degarelix: Degarelix (Firmagon) is a type of drug classified as gonadotrophin-releasing hormone (GnRH) antagonist, which is used as first-line of treatment for patients who suffer from androgen-dependent advanced prostate cancer. The compound is included in the treatment option of hormone therapy or medical castration, which is based on the reduction of hormones to stop cancer growth. Interested in learning more about degarelix? Read about it here.