Conditions: Prostate Cancer
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 1560
Healthy volunteers: no

Brief summary:
This is a randomized, double-blind, multicenter, phase 3 study evaluating orteronel (TAK-700) plus prednisone compared with placebo plus prednisone in the treatment of men with progressive, chemotherapy-naive, metastatic, castration-resistant prostate cancer (mCRPC)

Detailed description:

Arms:
arm 1: None arm 2: None

Interventions: intervention 1: Orteronel intervention 2: Placebo intervention 3: Prednisone
Intervention descriptions: intervention 1: Orteronel will be administered orally twice a day continuously throughout the study. Patients will also receive concomitant gonadotropin-releasing hormone (GnRH) analogue therapy unless they have previously undergone orchiectomy and have a testosterone concentration of \<50 ng/dL. intervention 2: Placebo will be administered orally twice a day continuously throughout the study. Additionally, all patients will receive concomitant gonadotropin-releasing hormone (GnRH) analogue therapy unless they have previously undergone orchiectomy and a testosterone concentration of \<50 ng/dL. intervention 3: Prednisone will be administered orally twice a day continuously throughout the study. Patients will also receive concomitant gonadotropin-releasing hormone (GnRH) analogue therapy unless they have previously undergone orchiectomy and have a testosterone concentration of \<50 ng/dL.

Protocol document: