A trial of enzalutamide for prostate cancer that has spread and is not responding to hormone therapy (PREVAIL)

This trial looked at a drug called enzalutamide (pronounced en-za-loo-ta-mide) for prostate cancer. The trial was for men who had prostate cancer that had spread to other parts of the body and was getting worse despite hormone therapy.

It was for men who had not already had chemotherapy for prostate cancer. Enzalutamide is also called MDV3100.