Christopher Sweeney, MBBS, physician, Dana-Farber Cancer Institute, compares treatment with abiraterone verus docetaxel in patients with prostate cancer.

Both drugs have their pros and cons, according to Sweeney. Abiraterone is an oral agent that must be taken for months at a time. While the side effects may not be as severe, they can be more long-lasting than those seen with docetaxel. Side effects include high blood pressure and diabetes. Docetaxel, on the other hand, which is administered intravenously, only needs to be given to patients every 3 weeks for 6 cycles. But the agent comes with typical chemotherapy-related side effects, such as fatigue and weakness, low white blood cell counts and neutropenic fever.

Deciding between the two agents is often difficult for clinicians and their patients, especially since the two have nearly the same efficacy, according to Sweeney. Once a patient progresses or stops responding to one of the treatment, they will often be switched on to another.

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