9. Goserelin Acetate: Goserelin is an implant classified as a gonadotropin-releasing hormone (GnRH) agonist. It is indicated to be used in combination with radiation therapy or flutamide for the treatment of locally confined Stage T2b-T4 (Stage B2-C) carcinoma of the prostate. The growth of the prostate cancer is triggered by male hormones such as testosterone. Find out more on how goserelin acetate can be used as a prostate cancer treatment.