Research Evaluating a PDE5 Inhibitor for Erectile Dysfunction

October 21, 2014 updated by: VIVUS LLC

A Randomized, Double-Blind, Placebo-Controlled Evaluation of Avanafil for On-Demand Treatment of Men With Erectile Dysfunction

The objectives of this study are to examine the therapeutic effects of two doses of avanafil after dosing in men with erectile dysfunction

Study Overview

Study Type

Interventional

Enrollment (Actual)

440

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Florida
      • Jupiter, Florida, United States
    • North Carolina
      • Raleigh, North Carolina, United States
      • Wilmington, North Carolina, United States

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Male

Description

Inclusion Criteria:

  • Males ≥ 18 years of age;
  • Minimum 6 months of erectile dysfunction;
  • In a monogamous, heterosexual relationship for at least 3 months;
  • Agree to make at least 4 attempts at intercourse per month;
  • Provide written informed consent;
  • Agree not to use any other ED treatments for erectile dysfunction;
  • Willing and able to comply with all study requirements.

Exclusion Criteria:

  • Allergy or hypersensitivity to PDE5 inhibitors;
  • History of dose-limiting AEs with a PDE5 inhibitor or discontinued use of a PDE5 inhibitor;
  • Concomitant use of one or more of the following medications:

    • Other prescription or OTC drugs known to interfere with metabolism by the CYP 3A4 enzyme;
    • Dose of an alpha blocker that has not been stable for at least 14 days;
    • Any nitrate;
  • ED as a consequence of advanced neurologic disease, spinal cord injury,or radical prostatectomy;
  • 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;
  • Poorly controlled type 1 or type 2 diabetes;
  • Evidence of prostate cancer or previous radical prostatectomy;
  • Untreated hypogonadism or total testosterone levels outside normal reference range;
  • Abnormal laboratory value(s) judged to be clinically significant by the investigator;
  • Positive urine drug screen;
  • History of retinitis pigmentosa, nonarteritic anterior ischemic optic neuropathy or glaucoma;
  • Previous participation in any other study with avanafil;
  • Use of any other investigational medication or device for any indication within 30 days prior to enrollment or at any time during this study;
  • Evidence of any clinically significant medical, psychiatric, social or other condition by history, physical examination or laboratory studies that, in the opinion of the investigator, would contraindicate the administration of study medications, affect compliance, interfere with study evaluations, limit study participation, contraindicate sexual activity or confound the interpretation of study results.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: Placebo
One dose 15 minutes before attempting intercourse
Experimental: Avanafil 100 mg
One dose 15 minutes before attempting intercourse
Experimental: Avanafil 200 mg
One dose 15 minutes before attempting intercourse

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Per-subject Proportion of Sexual Attempts That Had an Erectogenic Effect Within Approximately 15 Minutes Following Dosing
Time Frame: Week 0 (Baseline) up to Week 8 (End of Study)
Week 0 (Baseline) up to Week 8 (End of Study)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Study Director: Chuck Bowden, M.D., VIVUS LLC

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2012

Primary Completion (Actual)

April 1, 2013

Study Completion (Actual)

April 1, 2013

Study Registration Dates

First Submitted

September 25, 2012

First Submitted That Met QC Criteria

September 28, 2012

First Posted (Estimate)

October 3, 2012

Study Record Updates

Last Update Posted (Estimate)

October 27, 2014

Last Update Submitted That Met QC Criteria

October 21, 2014

Last Verified

October 1, 2014

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • TA-501

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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