How long do you take abiraterone for prostate cancer? The duration of Abiraterone tablets 250 mg depends on the stage of cancer or as long as it works without giving serious side effects that have gone too bad. Basically, this medicine is used in the treatment of prostate cancer to stop the growth of cancer cells in the other body organs. It works by blocking the action of a certain protein which is responsible for the growth of cancer cells. Visit: https://www.magicinepharma.com/tablet/abiracine-abiraterone-acetate