Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 25, 2026, 1:47 PM EDT

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Showing 385–408 of 2,565 matching trials from the live ClinicalTrials.gov search.
Conditions
Heart Failure, Decompensated Heart Failure, Hospital Length of Stay
Interventions
Point-of-Care Ultrasound (POCUS)
Device
Lead sponsor
Florida International University
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Miami, Florida
Conditions
Heart Failure
Interventions
Warfarin titrated to an INR of 2.5-3.0, Aspirin, Clopidogrel 75
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
1,587 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
79
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 76 more
Completed Phase 3 Interventional

CONTAK RENEWAL 3 AVT

NCT00158977
Conditions
Heart Failure, Atrial Fibrillation
Interventions
CONTAK RENEWAL 3 AVT
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Saint Paul, Minnesota
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Exercise Pulmonary Transit Time

NCT04336995
Conditions
Heart Failure, Diastolic
Interventions
contrast echocardiography
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Heart Failure, Congestive
Interventions
DITPA (3,5-diiodothyropropionic acid), Placebo
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
22
States / cities
Huntsville, Alabama • Peoria, Arizona • Tucson, Arizona + 18 more
Conditions
Heart Failure, Obesity
Interventions
Semaglutide
Drug
Lead sponsor
University Medical Centre Ljubljana
Other
Eligibility
20 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Completed Not applicable Interventional Results available

FREEDOM - A Frequent Optimization Study Using the QuickOpt Method

NCT00418314
Conditions
Cardiac Arrhythmias, Heart Failure
Interventions
Control, QuickOpt
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,647 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Los Angeles, California • Columbus, Ohio
Conditions
Kidney Failure, Acute
Interventions
Not listed
Lead sponsor
Abbott RDx Cardiometabolic
Other
Eligibility
18 Years and older
Enrollment
355 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
10
States / cities
Denver, Colorado • Washington D.C., District of Columbia • Portland, Maine + 6 more
Conditions
Sleep Apnea, Heart Failure
Interventions
Adaptive Servo Ventilation
Device
Lead sponsor
Toronto Rehabilitation Institute
Other
Eligibility
18 Years and older
Enrollment
732 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2022
U.S. locations
3
States / cities
Tucson, Arizona • Kalispell, Montana • Cleveland, Ohio
Conditions
MRI, Acquired Heart Disease, Myocardial Fibrosis
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Heart Failure
Interventions
Sodium intervention, Clinical worsening intervention, Educational content
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
9
States / cities
Birmingham, Alabama • Stanford, California • Altanta, Georgia + 6 more
Conditions
Sleep Related Breathing Disorder, Congestive Heart Failure
Interventions
CRT with atrial overdrive pacing
Device
Lead sponsor
VA Pittsburgh Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Pulmonary Hypertension, Heart Failure With Preserved Ejection Fraction
Interventions
Ambrisentan, Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Systolic Heart Failure
Interventions
Prasugrel 10 mg daily x 2 weeks, Clopidogrel 75 mg daily x 2 weeks
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Tricuspid Valve Disease, Heart Valve Diseases, Cardiovascular Diseases, Heart Failure, Tricuspid Valve Regurgitation, Tricuspid Valve Insufficiency
Interventions
TricValve System, Optimal medical therapy
Device · Drug
Lead sponsor
P+F Products + Features USA Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
780 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
34
States / cities
Birmingham, Alabama • Phoenix, Arizona • Sacramento, California + 29 more
Conditions
Heart Failure
Interventions
Potassium Nitrate (KNO3), Potassium Chloride (KCl)
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
3
States / cities
Evanston, Illinois • Philadelphia, Pennsylvania
Conditions
Coronavirus, Respiratory Failure
Interventions
Observation only
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 100 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Not yet recruiting No phase listed Observational

Occlutech AFR Fontan Study

NCT07532369
Conditions
Failure of Fontan Type Circulation, Fenestration, Univentricular Heart, Congenital Anomaly
Interventions
Occlutech Atrial Flow Regulator Retrospective Data Collection
Device
Lead sponsor
Occlutech International AB
Industry
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
7
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 4 more
Conditions
Congestive Heart Failure
Interventions
PHR Messaging
Other
Lead sponsor
Parkview Health
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Fort Wayne, Indiana
Conditions
Heart Failure
Interventions
Cenderitide
Drug
Lead sponsor
Capricor Inc.
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Tustin, California
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
ICD implantation
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
3,290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
13
States / cities
Portland, Maine • Baltimore, Maryland • Boston, Massachusetts + 10 more
Conditions
Heart Failure, Defibrillators, Implantable, Monitoring, Physiologic, Cardiac Resynchronization Therapy, Cardiovascular Disease, Heart Disease
Interventions
HeartLogic Sensors
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
56
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 48 more
Conditions
Congestive Heart Failure
Interventions
BodyGuardian remote health monitoring system
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Target Vessel Failure in Saphenous Vein Grafts, Percutaneous Coronary Intervention
Interventions
Percutaneous coronary intervention of the native coronary artery with Synergy
Procedure
Lead sponsor
Minneapolis Heart Institute Foundation
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
2
States / cities
Detroit, Michigan • Minneapolis, Minnesota