A Study Of The Safety and Efficacy Of Viagra In Men With Erectile Dysfunction Who Do Not Self Identify.
Public ClinicalTrials.gov record NCT00343200. 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 Multicenter, Randomized, Parallel-Group, Double-Blind, Placebo-Controlled Flexible-Dose Study To Assess The Efficacy And Safety Of Viagra (Sildenafil Citrate) In Men With Erectile Dysfunction (ED) Who Do Not Self Identify.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
To compare the efficacy and safety of Viagra (sildenafil citrate) vs. placebo for the treatment of men with ED and at least 1 prespecified risk factor who do not self identify as having ED.
Study identification
- NCT ID
- NCT00343200
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 371 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 30 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
- Jul 2006 (Type not available)
- Primary completion
- Not listed
- Completion
- Sep 2007 (Actual)
- Last update posted
- Feb 1, 2021
2006 – 2007
United States locations
- U.S. sites
- 48
- U.S. states
- 24
- U.S. cities
- 45
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer Investigational Site | Huntsville | Alabama | 35801 | — |
| Pfizer Investigational Site | Mesa | Arizona | 85213 | — |
| Pfizer Investigational Site | Phoenix | Arizona | 85023 | — |
| Pfizer Investigational Site | Phoenix | Arizona | 85051 | — |
| Pfizer Investigational Site | Anaheim | California | 92801 | — |
| Pfizer Investigational Site | Beverly Hills | California | 90211 | — |
| Pfizer Investigational Site | Huntington Beach | California | 92648 | — |
| Pfizer Investigational Site | San Diego | California | 92123 | — |
| Pfizer Investigational Site | Santa Rosa | California | 95405 | — |
| Pfizer Investigational Site | Aurora | Colorado | 80012 | — |
| Pfizer Investigational Site | Colorado Springs | Colorado | 80904 | — |
| Pfizer Investigational Site | Denver | Colorado | 80212 | — |
| Pfizer Investigational Site | Avon | Connecticut | 06001 | — |
| Pfizer Investigational Site | Manchester | Connecticut | 06040 | — |
| Pfizer Investigational Site | Wilmington | Delaware | 19801 | — |
| Pfizer Investigational Site | Washington D.C. | District of Columbia | 20010 | — |
| Pfizer Investigational Site | Hollywood | Florida | 33021 | — |
| Pfizer Investigational Site | Jacksonville | Florida | 32216 | — |
| Pfizer Investigational Site | Ocala | Florida | 34474 | — |
| Pfizer Investigational Site | Pembroke Pines | Florida | 33024 | — |
| Pfizer Investigational Site | Tampa | Florida | 33607 | — |
| Pfizer Investigational Site | Peoria | Illinois | 61602 | — |
| Pfizer Investigational Site | Fort Wayne | Indiana | 46825 | — |
| Pfizer Investigational Site | Arkansas City | Kansas | 67005 | — |
| Pfizer Investigational Site | Newton | Kansas | 67114 | — |
| Pfizer Investigational Site | Overland Park | Kansas | 66215 | — |
| Pfizer Investigational Site | Wichita | Kansas | 67205 | — |
| Pfizer Investigational Site | Wichita | Kansas | 67207 | — |
| Pfizer Investigational Site | Livonia | Michigan | 48152 | — |
| Pfizer Investigational Site | Edina | Minnesota | 55435 | — |
| Pfizer Investigational Site | Las Vegas | Nevada | 89146 | — |
| Pfizer Investigational Site | Binghamton | New York | 13901 | — |
| Pfizer Investigational Site | Endwell | New York | 13760 | — |
| Pfizer Investigational Site | New York | New York | 10016 | — |
| Pfizer Investigational Site | Cincinnati | Ohio | 45236 | — |
| Pfizer Investigational Site | Mogadore | Ohio | 44260 | — |
| Pfizer Investigational Site | Oklahoma City | Oklahoma | 73116 | — |
| Pfizer Investigational Site | Tulsa | Oklahoma | 74136 | — |
| Pfizer Investigational Site | Greer | South Carolina | 29651 | — |
| Pfizer Investigational Site | Simpsonville | South Carolina | 29681 | — |
| Pfizer Investigational Site | Nashville | Tennessee | 37203 | — |
| Pfizer Investigational Site | San Antonio | Texas | 78229 | — |
| Pfizer Investigational Site | Salt Lake City | Utah | 84109 | — |
| Pfizer Investigational Site | Salt Lake City | Utah | 84121 | — |
| Pfizer Investigational Site | Richmond | Virginia | 23294 | — |
| Pfizer Investigational Site | Spokane | Washington | 99207 | — |
| Pfizer Investigational Site | Tacoma | Washington | 98405 | — |
| Pfizer Investigational Site | Oregon | Wisconsin | 53575 | — |
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 NCT00343200, 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 Feb 1, 2021 · Synced Oct 30, 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 public registry record, listed eligibility criteria, and available contact information for NCT00343200 live on ClinicalTrials.gov.