A synthetic, nonsteroidal agent with antiandrogenic properties. Nilutamide preferentially binds to androgen receptors and blocks androgen receptor activation by testosterone and other androgens; this agent may inhibit androgen-dependent growth of normal and neoplastic prostate cells. or A substance that has been studied in the treatment of some types of cancer. Nimustine damages the cell's DNA and may kill cancer cells. It is a type of alkylating agent and a type of nitrosourea.