Activity of abiraterone acetate (AA) in metastatic castration-resistant prostate cancer (mCRPC) patients (pts) previously treated with ketoconazole (keto): A prospective phase II study from the Prostate Cancer Clinical Trials Consortium
5039 Background: AA, like keto, inhibits CYP17, the rate-limiting enzyme in androgen synthesis. Since pts with prior keto were excluded from the pivotal phase III AA trials, the utility of AA follo...