Research Evaluating an Investigational Medication for Erectile Dysfunction - Post-Prostatectomy

Completed · Phase 3 · Has a placebo group

Conditions studied: Erectile Dysfunction

In brief

The objectives of this study are to evaluate the safety and efficacy of two doses of avanafil in the treatment of adult males for erectile dysfunction following bilateral nerve-sparing radical prostatectomy.

Key facts

Study ID

NCT00895011

Run by

VIVUS LLC

People needed

298

Starts

2009-04-01

Expected to finish

2011-04-01

Last updated by the study team

2012-10-01

Who can join

Age: 18 and older, up to 70. Sex: male. Healthy volunteers: not accepted.

You may qualify if…

• Adult males ≥ 18 years and ≤ 70 years;
• Have a history of erectile dysfunction of at least 6 months duration following bilateral nerve-sparing retropubic radical prostatectomy;
• Have a PSA level consistent with the absence of prostate cancer;
• Have a history of sexual potency prior to radical prostatectomy without requiring medical therapy;
• Be in a monogamous, heterosexual relationship with their current partner for at least 3 months;
• Provide written informed consent;
• Agree to make at least 4 attempts at intercourse per month;
• Agree not to use any other treatments for erectile dysfunction;
• Be willing and able to comply with all study requirements (including scheduled study visits, treatment plans, laboratory tests and other study procedures).

You may not qualify if…

• Allergy or hypersensitivity to PDE5 inhibitors or any of the components of these drug products;
• History of dose-limiting AEs during prior treatment with a PDE5 inhibitor or discontinued use of a PDE5 inhibitor due to lack of efficacy at the highest tolerated dose;
• Concomitant use of one or more of the following medications:
• Any nitrate, trazodone, itraconazole, ketoconazole, erythromycin, or cimetidine;
• Other prescription or OTC drugs that are known to interfere with metabolism by the CYP 3A4 enzyme;
• If receiving hormone replacement therapy (including thyroid supplementation), dose that has not been stable for at least 3 months;
• If treated with an alpha blocker, dose that has not been stable for at least 14 days;
• Erectile dysfunction as a consequence of advanced neurologic disease, spinal cord injury, or diabetes;
• History of severe erectile dysfunction requiring medical therapy prior to bilateral nerve-sparing radical prostatectomy;
• History of previous pelvic surgery, brachytherapy, or cryotherapy of the prostate;
• Sexual partner who is under 18 years of age, pregnant, intends to become pregnant during the course of the study, is breastfeeding, has dyspareunia or other gynecologic conditions or other major medical conditions that would interfere with sexual activity or would have difficulty complying with study requirements;
• Uncontrolled hypertension;
• Hypotension;
• Orthostatic hypotension;
• Myocardial infarction, stroke, life-threatening arrhythmia or coronary revascularization within the past 6 months;
• Unstable angina, angina with sexual intercourse, or congestive heart failure > NYHA Class II;
• History or ECG evidence of any high-risk arrhythmia or clinically significant ECG;
• Hypertrophic, obstructive, or other clinically significant cardiomyopathy, moderate or severe cardiac valvular disease;
• Type 1 or type 2 diabetes, history of use of any antidiabetic medication;
• Clinically evident penile lesions, abrasions, anatomical deformities such as penile fibrosis, Peyronie's disease, penile implants, urinary tract or bladder infection, or sexually transmissible disease that the investigator deems to be clinically significant;
• Condition(s) predisposing to priapism, such as sickle cell disease , multiple myeloma, or leukemia;
• Any malignancy other than carcinoma of the prostate (except basal cell carcinoma or squamous cell carcinoma of the skin);
• Prior use of, or likely to require radiotherapy, chemotherapy, androgen deprivation therapy, cryotherapy, non-nerve-sparing surgery, and/or bladder or penile surgery during the study;
• Evidence of significant hepatic impairment;
• On dialysis, or history of renal transplantation;

Where it is running

• Research Site — Laguna Hills, California, United States
• Research Site — Los Angeles, California, United States
• Research Site — Los Angeles, California, United States
• Research Site — Sacramento, California, United States
• Research Site — Aurora, Colorado, United States
• Research Site — Englewood, Colorado, United States
• Research Site — Parker, Colorado, United States
• Research Site — Washington D.C., District of Columbia, United States
• Research Site — Jacksonville, Florida, United States
• Research Site — Miami, Florida, United States
• Research Site — Trinity, Florida, United States
• Research Site — Chicago, Illinois, United States
• Research Site — Chicago, Illinois, United States
• Research Site — Springfield, Illinois, United States
• Research Site — Indianapolis, Indiana, United States
• Research Site — New Orleans, Louisiana, United States
• Research Site — Shreveport, Louisiana, United States
• Research Site — Baltimore, Maryland, United States
• Research Site — Towson, Maryland, United States
• Research Site — Brighton, Massachusetts, United States
• Research Site — Burlington, Massachusetts, United States
• Research Site — Jamaica Plain, Massachusetts, United States
• Research Site — Ann Arbor, Michigan, United States
• Research Site — Hackensack, New Jersey, United States
• Research Site — Phoenix, Arizona, United States

Full record on ClinicalTrials.gov

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