Phase II Study to Evaluate the Safety and Efficacy of Prostatic Artery Embolization

Prostatic Artery Embolization will performed as an outpatient procedure in Interventional Radiology. Bilateral selective pelvic angiograms will be performed to localize the prostatic arteries. Cone-beam or 3D computed tomography (CT) will be performed prior to embolization, if technically feasible and necessary. Embolization will be performed using Merit Medical Embospheres.

Patients will undergo standard of care definitive radiation therapy.