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Research Evaluating a PDE5 Inhibitor for Erectile Dysfunction

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

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01698684
Enrollment
440
Registered
2012-10-03
Start date
2012-09-30
Completion date
2013-04-30
Last updated
2014-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Erectile Dysfunction

Keywords

ED

Brief summary

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

Interventions

DRUGPlacebo

One dose 15 minutes before attempting intercourse

DRUGAvanafil 100 mg

One dose 15 minutes before attempting intercourse

DRUGAvanafil 200 mg

One dose 15 minutes before attempting intercourse

Sponsors

VIVUS LLC
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
MALE
Age
18 Years to No maximum
Healthy volunteers
No

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.

Design outcomes

Primary

MeasureTime frame
Per-subject Proportion of Sexual Attempts That Had an Erectogenic Effect Within Approximately 15 Minutes Following DosingWeek 0 (Baseline) up to Week 8 (End of Study)

Countries

United States

Participant flow

Participants by arm

ArmCount
Placebo
Placebo: One dose 15 minutes before attempting intercourse
145
Avanafil 100 mg
Avanafil 100 mg: One dose 15 minutes before attempting intercourse
147
Avanafil 200 mg
Avanafil 200 mg: One dose 15 minutes before attempting intercourse
148
Total440

Baseline characteristics

CharacteristicPlaceboAvanafil 100 mgAvanafil 200 mgTotal
Age, Continuous58.3 years
STANDARD_DEVIATION 9.92
58.5 years
STANDARD_DEVIATION 10.19
57.9 years
STANDARD_DEVIATION 10.61
58.2 years
STANDARD_DEVIATION 10.23
Age, Customized
>=50 to <65 Years
74 participants78 participants76 participants228 participants
Age, Customized
<50 Years
29 participants25 participants29 participants83 participants
Age, Customized
>=65 Years
42 participants44 participants43 participants129 participants
Race/Ethnicity, Customized
American Indian or Alaska Native
2 participants1 participants0 participants3 participants
Race/Ethnicity, Customized
Asian
3 participants3 participants1 participants7 participants
Race/Ethnicity, Customized
Black or African American
37 participants35 participants22 participants94 participants
Race/Ethnicity, Customized
Multiple Races
1 participants1 participants1 participants3 participants
Race/Ethnicity, Customized
White
102 participants107 participants124 participants333 participants
Region of Enrollment
United States
145 participants147 participants148 participants440 participants
Sex: Female, Male
Female
0 Participants0 Participants0 Participants0 Participants
Sex: Female, Male
Male
145 Participants147 Participants148 Participants440 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
13 / 1437 / 14626 / 146
serious
Total, serious adverse events
2 / 1434 / 1463 / 146

Outcome results

Primary

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)

Population: The intent-to-treat (ITT) population consists of all subjects who are randomized, take at least 1 dose of study medication, and have at least 1 post-dose efficacy assessment.

ArmMeasureValue (MEAN)Dispersion
PlaceboPer-subject Proportion of Sexual Attempts That Had an Erectogenic Effect Within Approximately 15 Minutes Following Dosing14.9 percentage of successesStandard Deviation 25.1
Avanafil 100 mgPer-subject Proportion of Sexual Attempts That Had an Erectogenic Effect Within Approximately 15 Minutes Following Dosing25.9 percentage of successesStandard Deviation 32
Avanafil 200 mgPer-subject Proportion of Sexual Attempts That Had an Erectogenic Effect Within Approximately 15 Minutes Following Dosing29.1 percentage of successesStandard Deviation 34

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026