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Completed Phase 4 Interventional Results available

Effects of Viagra on Heart Function in Patients With Heart Failure

ClinicalTrials.gov ID: NCT00781508

Public ClinicalTrials.gov record NCT00781508. 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.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 6:56 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Single Dose Sildenafil in Heart Failure Patients Improves 6-minute Walk Test by a Reduction in Left Ventricular Filling Pressure

Study identification

NCT ID
NCT00781508
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
MetroHealth Medical Center
Other
Enrollment
10 participants

Conditions and interventions

Interventions

  • sildenafil Drug
  • Placebo Other

Drug · Other

Eligibility (public fields only)

Age range
25 Years to 75 Years
Sex
All
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
Nov 30, 2006
Primary completion
Aug 31, 2009
Completion
Oct 31, 2009
Last update posted
Jul 1, 2014

2006 – 2009

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
MetroHealth Medical Center Cleveland Ohio 44109

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 NCT00781508, 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 Jul 1, 2014 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00781508 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →