Research Evaluating an Investigational Medication for Erectile Dysfunction - Diabetic ED (REVIVE-D)

Inclusion Criteria:

• Male subjects, age ≥ 18 years;

• Minimum 6 month history of mild to severe erectile dysfunction;

• Have documented diabetes (type 1 or type 2);

• Subject is in a monogamous, heterosexual relationship for at least 3 months;

• Subject agrees to make at least 4 attempts at intercourse per month;

• Subject is willing and able to provide informed consent.

Exclusion Criteria:

• Allergy or hypersensitivity to PDE5 inhibitors;

• History of dose-limiting AEs during therapy with a PDE5 inhibitor or hx of consistenttreatment failure with other PDE5 inhibitors for therapy of ED;

• Current or expected use of organic nitrates at any time during the study;

• Previous or current antiandrogen therapy;

• Use of prescription or over-the-counter drugs known to inhibit the activity of CYP3A4at any time during the study;

• Androgen replacement therapy that has not been stable for at least 3 month;

• Initiation or change in dose of any alpha-blocker within 14 days prior torandomization;

• ED as a result of spinal cord injury or radical prostatectomy;

• Untreated hypogonadism or low serum total testosterone

• History of or predisposition to priapism;

• Any penile implant;

• Elevated PSA, other evidence of prostate cancer, or previous radical prostatectomy;

• History of any malignancy (except basal cell carcinoma or squamous cell carcinoma ofthe skin successfully treated by curative excision);

• Uncontrolled diabetes;

• Uncontrolled hypertension;

• Hypotension;

• Orthostatic hypotension;

• Significant cardiovascular disease;

• Abnormal ECG;

• Hepatic or renal impairment;

• Positive STD screen;

• Clinically evident penile lesions, abrasions, or anatomical deformities;

• Urinary tract or bladder infection;

• Use of any treatment for erectile dysfunction other than study drug at any time duringthe study;

• Participation in another investigational study within 30 days of screening or at anytime during this study;

• Previous participation in any other investigational study of avanafil;

• History or current drug, alcohol, or substance abuse;

• Any history of bipolar disorder or psychosis, greater than one lifetime episode ofmajor depression, current depression of moderate or greater severity or antidepressantuse that has not been stable for at least 3 months;

• Partners who are < 18 years of age, who are nursing, who are known to be pregnant atscreening, who wish to become pregnant during the study period, who have anygynecologic problems or major medical conditions that would limit participation insexual intercourse;

• Evidence of any other condition by history, physical examination, or laboratorystudies that, in the opinion of the investigator, would contraindicate theadministration of study medication, affect compliance, interfere with studyevaluations, limit study participation, contraindicate sexual activity, or confoundthe interpretation of study results.