Exogenous Testosterone Plus Dutasteride for the Treatment of Castrate Metastatic Prostate Cancer

"Patients will be treated with dutasteride 3.5 mg once daily (oral administration). To avoid rapid conversion of testosterone to DHT in case 5α-reductase is not adequately inhibited during the first few days of concurrent treatment with dutasteride and testosterone, daily dutasteride treatment will be initiated 7 days prior to testosterone initiation.~Patients will receive AndroGel® at the dose of 15 g (3 times the standard replacement dose for hypogonadism) once daily (topical administration), starting on Day 8 and continuing for 12 weeks (or until disease progression or withdrawal from the study)."