A drug used to treat certain types of bladder, ovarian, and testicular cancer. It is used in patients whose cancer cannot be treated with or has not gotten better with other anticancer treatment. It is also being studied in the treatment of other types of cancer. Cisplatin contains the metal platinum. It kills cancer cells by damaging their DNA and stopping them from dividing. Cisplatin is a type of DNA crosslinking agent. The brand name Platinol has been taken off the market and is no longer available.