A drug used to treat cancers of the bladder, ovaries, and testicles. 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. Platinol-AQ contains the metal platinum. It kills cancer cells by damaging their DNA and stopping them from dividing. It is a type of DNA crosslinking agent. Also called cisplatin and Platinol.