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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 Apr 22, 2026, 12:56 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

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

Study identification

NCT ID
NCT00071331
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Enrollment
3,600 participants

Conditions and interventions

Interventions

  • Tolvaptan Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Not listed

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 31, 2003
Primary completion
Jun 30, 2006
Completion
Jun 30, 2006
Last update posted
May 2, 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 2, 2012 · Synced Apr 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00071331 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →