Study of Sildenafil in Patient With Heart Failure.

This study has been completed.
Information provided by:
Massachusetts General Hospital Identifier:
First received: March 30, 2006
Last updated: NA
Last verified: March 2006
History: No changes posted
The purpose of this study is to determine if sildenafil (Viagra) improves exercise tolerance.

Condition Intervention Phase
Congestive Heart Failure
Drug: sildenafil
Phase 3

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Measurement of the Effect of Sildenafil Citrate (Viagra) on the Hemodynamics of Exercise Tolerance in Advanced Congestive Heart Failure.

Resource links provided by NLM:

Further study details as provided by Massachusetts General Hospital:

Primary Outcome Measures:
  • Patients will have exercise capacity measured by an exercise stress test before and after one dose of sildenafil.

Estimated Enrollment: 40
Study Start Date: December 2001
Estimated Study Completion Date: February 2006
Detailed Description:
Patients will undergo an exercise stress test. One dose of Sildenafil will then be given, followed by a one hour rest period. A repeat exercise stress test will then be repeated.

Ages Eligible for Study:   18 Years to 75 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

Age 18 - 75 Ejection fraction <35% Heart failure limited by fatigue and shortness of breath -

Exclusion Criteria:

Inability to exercise. Patients with shortness of breath while resting. Patient requiring intravenous medication. Patients taking the following medications: nitroglycerine pill/patch/paste, isordil and Imdur

  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00309816

United States, Massachusetts
Massachusetts General Hospital
Boston, Massachusetts, United States, 02114
Sponsors and Collaborators
Massachusetts General Hospital
Principal Investigator: Marc J Semigran, MD Massachusetts General Hospital
  More Information Identifier: NCT00309816     History of Changes
Other Study ID Numbers: 2001-p-001039 
Study First Received: March 30, 2006
Last Updated: March 30, 2006
Health Authority: United States: Food and Drug Administration

Keywords provided by Massachusetts General Hospital:
Exercise stress test

Additional relevant MeSH terms:
Heart Failure
Cardiovascular Diseases
Heart Diseases
Sildenafil Citrate
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Phosphodiesterase 5 Inhibitors
Phosphodiesterase Inhibitors
Urological Agents
Vasodilator Agents processed this record on May 30, 2016