Assessment Of Sildenafil On Erectile Function And Intercourse Satisfaction And To Validate A New Subject Questionnaire
Public ClinicalTrials.gov record NCT00147628. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Multi-Center, Double-Blind Placebo Controlled, Flexible-Dose Study With An Open-Label Phase To Assess The Efficacy Of Sildenafil Citrate On Erectile Function And Intercourse Satisfaction As Well As To Validate The Sexual Experience Questionnaire And Its Treatment Responsiveness In Men With Erectile Dysfunction
Study identification
- NCT ID
- NCT00147628
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Industry
- Enrollment
- 209 participants
Conditions and interventions
Conditions
Interventions
- sildenafil citrate Drug
- placebo for sildenafil citrate Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Male
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 31, 2005
- Primary completion
- Not listed
- Completion
- Aug 31, 2006
- Last update posted
- Jan 31, 2021
2005 – 2006
United States locations
- U.S. sites
- 20
- U.S. states
- 13
- U.S. cities
- 20
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer Investigational Site | Huntsville | Alabama | — | — |
| Pfizer Investigational Site | San Diego | California | — | — |
| Pfizer Investigational Site | Aurora | Colorado | — | — |
| Pfizer Investigational Site | Miami | Florida | — | — |
| Pfizer Investigational Site | Ocala | Florida | — | — |
| Pfizer Investigational Site | Tallahassee | Florida | — | — |
| Pfizer Investigational Site | Jeffersonville | Indiana | — | — |
| Pfizer Investigational Site | Des Moines | Iowa | — | — |
| Pfizer Investigational Site | Shreveport | Louisiana | — | — |
| Pfizer Investigational Site | Las Vegas | Nevada | — | — |
| Pfizer Investigational Site | Garden City | New York | — | — |
| Pfizer Investigational Site | Kingston | New York | — | — |
| Pfizer Investigational Site | New York | New York | — | — |
| Pfizer Investigational Site | Poughkeepsie | New York | — | — |
| Pfizer Investigational Site | Fargo | North Dakota | — | — |
| Pfizer Investigational Site | Cincinnati | Ohio | — | — |
| Pfizer Investigational Site | Houston | Texas | — | — |
| Pfizer Investigational Site | San Antonio | Texas | — | — |
| Pfizer Investigational Site | Seattle | Washington | — | — |
| Pfizer Investigational Site | Spokane | Washington | — | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00147628, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jan 31, 2021 · Synced Jun 26, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00147628 live on ClinicalTrials.gov.