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ClinicalTrials.gov record
Completed Phase 3 Interventional

EVEREST: Efficacy of Vasopressin Antagonism in hEart failuRE: Outcome Study With Tolvaptan

ClinicalTrials.gov ID: NCT00071331

Public ClinicalTrials.gov record NCT00071331. 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 Oct 18, 2026, 2:09 AM EDT

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

Official title

Protocol 156-03-236: Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Long Term Efficacy and Safety of Oral Tolvaptan Tablets in Subjects Hospitalized With Worsening Congestive Heart Failure

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to compare the effectiveness of tolvaptan or placebo in adults with worsening congestive heart failure (CHF).

Study identification

NCT ID
NCT00071331
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
3,600 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
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
Sep 2003 (Type not available)
Primary completion
Jul 2006 (Actual)
Completion
Jul 2006 (Actual)
Last update posted
May 3, 2012

2003 – 2006

United States locations

U.S. sites
161
U.S. states
41
U.S. cities
134
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35294 —
The Heart Center Huntsville Alabama 35801 —
The Heart Group Mobile Alabama 36608 —
Phoenix Memorial Hospital Gilbert Arizona 85233 —
Arizona Heart Institute Phoenix Arizona 85006 —
Saguaro Clinical Research Tucson Arizona 85712 —
Central Arkansas Veterans Healthcare Systems Little Rock Arkansas 72205 —
University of Arkansas for Medical Sciences Little Rock Arkansas 72205 —
Bakersfield Memorial Hospital Bakersfield California 93301 —
Central Cardiology Medical Center Bakersfield California 93301 —
Cardiology Associates Larkspur California 94939 —
Loma Linda University Medical Center Loma Linda California 92354 —
LAC/USC Medical Center Los Angeles California 90033 —
VA Medical Center- W. Los Angeles Los Angeles California 90073 —
Mission Internal Medical Group Mission Viejo California 92691 —
ARI Clinical Trials Redondo Beach California 92077 —
San Diego Cardiac Center San Diego California 92123 —
Pacific Heart Institute Santa Monica California 90404 —
Cardiovascular Consultants Medical Group, Inc. Walnut Creek California 94598 —
Aurora Denver Cardiology Associates Denver Colorado 80218 —
University of Colorado Denver Colorado 80262 —
Heart and Vascular Clinic of North Colorado Fort Collins Colorado 80528 —
Bakus Resesarch Norwich Connecticut 06360 —
Christiana Care Health System Newark Delaware 19718 —
VA Medical Center Washington D.C. District of Columbia 20422 —
Florida Cardiovascular Research Atlantis Florida 33462 —
Cardiology Associates of Fort Lauderdale Fort Lauderdale Florida 33308 —
Jacksonville Heart Center Jacksonville Florida 32207 —
Jacksonville Center for Clinical Research Jacksonville Florida 32216 —
Jacksonville Heart Center Jacksonville Beach Florida 32250 —
Melbourne Internal Medicine Assoc. Melbourne Florida 32901 —
University of Miami/ Jackson Memorial Hospital Miami Florida 33136 —
Miami Research and Education Foundation Miami Florida 33156 —
Ocala Resarch Institute Ocala Florida 34480 —
Cardiology Research Associates Ormond Beach Florida 32174 —
Charlotte Heart Group Research Center Port Charlotte Florida 33952 —
Cardiovascular Center of Sarasota Sarasota Florida 34239 —
The Heart and Vascular Institute of Florida St. Petersburg Florida 33701 —
Cardiac Disease Specialists PC Atlanta Georgia 30309 —
Atlanta Heart and Vascular Research Group Atlanta Georgia 30342 —
Georgia Heart Specialists Covington Georgia 30014 —
Idaho Cardiology Associates Boise Idaho 83704 —
Idaho Cardiology Associates Meridian Idaho 83642 —
North Shore Cardiologists Bannockburn Illinois 60015 —
Northwestern University Chicago Illinois 60611 —
Midwest Heart Research Found. Lombard Illinois 60148 —
Illinois Heart & Lung Associates Normal Illinois 61761 —
Heart Care Midwest Peoria Illinois 61603 —
The Care Group Indianapolis Indiana 46260 —
Mid America Cardiology Kansas City Kansas 66160 —
Cardiovascular Associates Louisville Kentucky 40205 —
Louisville Cardiology Medical Group Louisville Kentucky 40207 —
The Louisiana Heart Center Chalmette Louisiana 70043 —
Northshore Medical Research Covington Louisiana 70433 —
Leonard J Chabert Medical Center Houma Louisiana 70360 —
Lousiana State University Health Sciences Center Shreveport Louisiana 71103 —
Cardiac Centers of LA, LLC Shreveport Louisiana 71135 —
Androscoggin Cardiology Associates Auburn Maine 04210 —
Northeast Cardiology Associates Bangor Maine 04401 —
Maine Medical Center Portland Maine 04102 —
MidAtlantic Cardiovascular Associates Baltimore Maryland 21218 —
Midatlantic Cardiovascular Associates Baltimore Maryland 21229 —
MidAtlantic Cardiovascular Associates Baltimore Maryland 21237 —
Midatlantic Cardiovascular Associates Bel Air Maryland 21014 —
Shore Health System Easton Maryland 21601 —
MidAtlantic Cardiovascular Associates Towson Maryland 21204 —
Heart Associates, P.A. Towson Maryland 21286 —
MidAtlantic Cardiovascular Associates Westminster Maryland 21157 —
Primary Care Cardiology Research Ayer Massachusetts 01432 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Beth Israel Medical Center Boston Massachusetts 02215 —
John Dingell VA Medical Center Detroit Michigan 48201 —
Nisus Research Petoskey Michigan 49770 —
William Beaumont Hospital Royal Oak Michigan 48073-1026 —
Covenant Medical Center Saginaw Michigan 48602 —
Beaumont Hospital Troy Michigan 48085 —
Michigan Heart Ypsilanti Michigan 48197 —
Minneapolis Heart Institute Minneapolis Minnesota 55407 —
Hennepin County Medical Center Minneapolis Minnesota 55416 —
University of Minnesota Minneapolis Minnesota 55455 —
Mayo Clinic, Division of Cardiology Rochester Minnesota 55905 —
Park Nicollet Heart Center Saint Louis Park Minnesota 55426 —
Regions Hospital Cardiology Research Saint Paul Minnesota 55101 —
St. Paul Heart Clinic Saint Paul Minnesota 55102 —
Cardiology Associates of North Mississippi Tupelo Mississippi 38801 —
Missouri Cardiovascular Specialists Columbia Missouri 65201 —
VA Medical Center- Kansas City Kansas City Missouri 64128 —
St. Louis University St Louis Missouri 63110 —
Bryan LGH Heart Institute Lincoln Nebraska 68516 —
Heart Consultants Omaha Nebraska 68122 —
New England Heart Institute Manchester New Hampshire 03102 —
Morristown Memorial Hospital Morristown New Jersey 07962-1956 —
University of Medicine and Dentistry of New Jersey Newark New Jersey 07103 —
Newark Beth Israel Medical Center Newark New Jersey 07112 —
Garden State Cardiology Paramus New Jersey 07652 —
Albany Associates in Cardiology Albany New York 12212 —
Cardiology Associates, P.C. Johnson City New York 13790 —
North Shore University Hospital Manhasset New York 11030 —
St. Vincents Hospital and Medical Center New York New York 10011 —
St. Lukes-Roosevelt Hospital Centers New York New York 10019 —
New York Presbyterian Hospital New York New York 10032 —
St. Francis Hospital Roslyn New York 11576 —
SUNY Syracuse New York 13230 —
South Bay Cardiovascular Associates West Islip New York 11795 —
Buffalo Cardiology and Pulmonary Associates Williamsville New York 14221 —
Asheville Cardiology Associates Asheville North Carolina 28803 —
Alamance Regional Medical Center Burlington North Carolina 27215 —
University of North Carolina Chapel Hill North Carolina 27514 —
Mid Carolina Cardiology Charlotte North Carolina 28204 —
Durham VA Medical Center Durham North Carolina 27705 —
Duke Cardiology Research Durham North Carolina 27710 —
Pitt County Memorial Hospital, The Heart Center Greenville North Carolina 28735 —
Hendersonville Cardiology Hendersonville North Carolina 28739 —
Akron General Medical Center Akron Ohio 44307 —
Clinical Research Limited Canton Ohio 44718 —
Sterling Research Group Cincinnati Ohio 45219 —
The Lindner Clinical Trial Center Cincinnati Ohio 45219 —
Midwest Cardiology Research Foundation Columbus Ohio 43214 —
The Dayton Heart Center Dayton Ohio 45414 —
Cleveland Cardiovascular Research Fairview Park Ohio 44126 —
North Ohio Research Limited Lorain Ohio 44052 —
North Ohio Research Limited Sandusky Ohio 44870 —
Northwest Ohio Cardiology Consultants Toledo Ohio 43615 —
Integris Heart Research Center Oklahoma City Oklahoma 73112 —
Oklahoma Cardiovascular Research Group Oklahoma City Oklahoma 73120 —
Oregon Health and Science University Portland Oregon 97230 —
Cardiology Consultants of Philadelphia Philadelphia Pennsylvania 19146 —
The Western Pennsylvania Hospital Pittsburgh Pennsylvania 15224 —
Guthrie Clinic, LTD Sayre Pennsylvania 18840 —
Buxmont Cardiology Associates, PC Sellersville Pennsylvania 18960 —
Cardiology Associates of West Reading West Reading Pennsylvania 19611 —
Rhode Island Hospital Providence Rhode Island 02905 —
Medical University of South Carolina Charleston South Carolina 29401 —
Ralph H. Johnson VAMC Charleston South Carolina 29401 —
South Carolina Heart Center Columbia South Carolina 29204 —
The Chattanooga Heart Institute Chattanooga Tennessee 37404 —
Cardiovascular Associates Kingsport Tennessee 37660 —
Baptist Clinical Research Center Memphis Tennessee 38120 —
Stern Cardiovascular Center Memphis Tennessee 38120 —
Vanderbilt Clinical Trials Center Nashville Tennessee 37212 —
The Cardiology Group Tullahoma Tennessee 37388 —
Austin Cardiovascular Associates Austin Texas 78705 —
Southeast Texas Cardiology Associates Beaumont Texas 77702 —
Cardiopulmonary Research Science and Technology Institute Dallas Texas 75230 —
University of Texas Medical Branch Galveston Texas 77555-0553 —
Cardiology Associates Covenant Medical Group Lubbock Texas 79410 —
McAllen Heart Clinic McAllen Texas 78503 —
University of Texas Health Science Center San Antonio Texas 78229-3900 —
Wilford Hall Medical Center, San Antonio Texas 78236 —
Scott & White Clinic Division of Cardiology Temple Texas 76508 —
VA Salt Lake City Health Care System Salt Lake City Utah 84148 —
University of Virginia Medical Center Charlottesville Virginia 22908 —
The Cardiovascular Group PC Fairfax Virginia 22031 —
Inova Institute of Research Falls Church Virginia 22042 —
Medical College of Virginia Richmond Virginia 23219 —
Cardiovascular Associates of Virginia Richmond Virginia 23225 —
Roanoke Heart Institute Roanoke Virginia 24014 —
Empire Health Services Spokane Washington 99204 —
Rockwood Clinic Spokane Washington 99204 —
CAMC Clinical Trials Charleston West Virginia 25304 —
Wisconsin Center For Clinical Research Elkhorn Wisconsin 53121 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 217 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00071331, 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 May 3, 2012 · Synced Oct 18, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00071331 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →