Low-Intensity Extracorporeal Shock Wave Treatment for Erectile Dysfunction: A Randomized, Controlled, Double Blind Trial

Inclusion Criteria: * Age 18-70 years * A history of erectile dysfunction for \>6 months * IIEF-ED score \< 25 * In a stable heterosexual relationship for at least 6 months * Willingness to attempt sexual intercourse at least twice per week during the study and follow-up Exclusion Criteria: * Psychogenic ED as assessed by a standardized interview (attachment 2) * Known psychiatric illness * Neurological disease (including Parkinson's disease, Multiple sclerosis, spinal cord injury, and a history of stroke) * Traumatic nerve injury * Previous pelvic surgery or radiation * Heart disease in the form of unstable angina, NYHA class \>II heart failure, uncontrolled arrhythmia, or significantly symptomatic and/or severe valvular disease * Endocrine disease including hypogonadism (total testosterone \<12 nmol/l) * Insulin dependent or uncontrolled diabetes mellitus * Dependence on erectogenic aids other than PDE5-Inhibitors * Use of medications which have been shown to interfere with erections * Use of anticoagulant medications other than low dose aspirin * Active cancer * A diagnoses of Peyronie's disease and/or prior occurrence of priapism * Alcohol abuse (more than 21 containers of alcohol per week)