PRP for the Treatment of Erectile Dysfunction (ED)

Inclusion Criteria: * The patient must have given his informed and signed written consent * The patient has ED for longer than 1 year but less than 5 years. * The subject has a stable partner for at least 3 months. * The patient is PDE5i responsive, meaning he is able to achieve and maintain an erection under the effect of the maximal dosage of PDE5i * IIEF-EF, EHS, SEP 2+3, and GAQ Domain score of 17-20 Mild to moderate vascular erectile dysfunction: PSV \> 25 cm/sec Exclusion Criteria: The patient is participating in another study that may interfere with the results or conclusions of this study * History of radical prostatectomy or pelvic cancer surgery * Prior history of pelvic malignancies * Prior pelvic radiation therapy * Neurological disease which effects erectile function (Spinal cord injury, iatrogenic injury to the pelvic or cavernous nerves) * Psychiatric disease which effects erectile function * The patient is taking blood thinners * History of Diabetes Mellitus * History of Coronary Artery Disease * Evidence Based Criteria: Doppler Clinical Exam ( PSV \< 25 cm/sec defined criteria for severe erectile dysfunction not likely to respond to approved medical therapies) * Biochemical evidence of Hypogonadism (total Testosterone \< 300 ng/dL)