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ClinicalTrials.gov public records Last synced May 22, 2026, 2:46 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ventricular Ejection Fraction Clear all
Terminated No phase listed Observational
View directory record Official record
Conditions
Advanced Cancers
Interventions
Nuclear Medicine Cardiac Scan, PET/CT Cardiac Scan
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2012 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
AZD4831, Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 85 Years
Enrollment
711 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
21
States / cities
Alexander City, Alabama • Little Rock, Arkansas • Sacramento, California + 18 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Heart Failure, Reduced Ejection Fraction
Interventions
sacubitril/valsartan (LCZ696), enalapril, matching placebo sacubitril/valsartan (LCZ696), matching placebo enalapril
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
23
States / cities
Fort Payne, Alabama • Beverly Hills, California • Stockton, California + 20 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced May 22, 2026, 2:46 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cardiopulmonary Failure, Myocardial Infarction (MI), Heart Decompensation, Heart Failure, HFrEF - Heart Failure with Reduced Ejection Fraction, HFpEF - Heart Failure with Preserved Ejection Fraction, Syncopation, Syncope, Ischemic Cardiovascular Disease, STEMI, STEMI (ST Elevation MI), Atrial Fibrillation (AF), Atrial Enlargement, LVF, Conduction Defect, Conduction Abnormalities, Heart Block, Valvular Diseases, Cardiac Output, Low, Stroke Volume, Stroke Volume Variation, Hyperkalemia, Hypercalcemia, Hypocalcemia, LV Dysfunction, QT Prolongation, Sudden Cardiac Death Due to Cardiac Arrhythmia, Ventricular Arrhythmia, Pacing, Pacing Induced Dyssynchrony, Silent Ischemia, Pericarditis, Sleep Related Breathing Disorder, RSA, Apnea, Obstructive, Cardiac Output Measurement, Respiratory Impedance, CRT And/or ICD, Infarction, Cardiomyopathies, Primary, Hypertrophy
Interventions
SUBPROTOCOL A, SUBPROTOCOL B, SUBPROTOCOL C, SUBPROTOCOL D, SUBPROTOCOL E, SUBPROTOCOL F, SUBPROTOCOL G, SUBPROTOCOL H
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
15,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Melbourne, Florida
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Heart Failure, Sleep Apnea Syndromes
Interventions
Continuous positive airway pressure, Nocturnal supplemental oxygen, Healthy Lifestyle and Sleep Education
Device · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
West Haven, Connecticut • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 24, 2023 · Synced May 22, 2026, 2:46 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Heart Failure, Heart Failure With Preserved Ejection Fraction, Heart Failure With Mid Range Ejection Fraction, Heart Failure With Moderately Reduced Ejection Fraction, Diastolic Heart Failure
Interventions
Cardiac Contractility Modulation Therapy via OPTIMIZER™ Smart Mini System, OPTIMIZER™ Smart Mini System
Device
Lead sponsor
Impulse Dynamics
Industry
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
105
States / cities
Birmingham, Alabama • Mesa, Arizona • Phoenix, Arizona + 79 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced May 22, 2026, 2:46 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Pulmonary Hypertension Associated With HFpEF
Interventions
TNX-103, Placebo
Drug
Lead sponsor
Tenax Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
18
States / cities
Alexander City, Alabama • Tamarac, Florida • Mount Prospect, Illinois + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Pediatric Heart Failure
Interventions
LCZ696, Enalapril, Placebo of LCZ696, Placebo of Enalapril
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
1 Month to 17 Years
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
25
States / cities
Loma Linda, California • Los Angeles, California • Palo Alto, California + 20 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced May 22, 2026, 2:46 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Heart Failure, Cardiomyopathy, Dilated
Interventions
AccuCinch® Ventricular Restoration
Device
Lead sponsor
Ancora Heart, Inc.
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
18
States / cities
San Francisco, California • Atlanta, Georgia • Louisville, Kentucky + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Cardiac Disease
Interventions
DEFINITY
Drug
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
9
States / cities
Tucson, Arizona • San Diego, California • Wilmington, Delaware + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Ventricular Ejection Fraction
Interventions
Definity® Vial for (Perflutren Lipid Microsphere) Injectable Suspension
Drug
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
10
States / cities
Tucson, Arizona • Chicago, Illinois • Washington DC, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated May 19, 2011 · Synced May 22, 2026, 2:46 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
TNX-103, Placebo
Drug
Lead sponsor
Tenax Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
41
States / cities
Tucson, Arizona • La Jolla, California • Los Angeles, California + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Idiopathic Dilated Cardiomyopathy
Interventions
Carvedilol, Metoprolol succinate, Metoprolol succinate + doxazosin
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
2
States / cities
Denver, Colorado • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced May 22, 2026, 2:46 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Left Ventricular Dysfunction
Interventions
Use of Eko DUO electronic stethoscope
Device
Lead sponsor
Eko Devices, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,258 participants
Timeline
2020 – 2022
U.S. locations
3
States / cities
Los Alamitos, California • Washington D.C., District of Columbia • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced May 22, 2026, 2:46 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Left Ventricular Dysfunction
Interventions
Impella 5.5 with SmartAssist
Device
Lead sponsor
Abiomed Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
20
States / cities
Jonesboro, Arkansas • Los Angeles, California • San Diego, California + 15 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 22, 2026, 2:46 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Pulmonary Disease, Left Ventricular Hypertrophy/Hypertension
Interventions
Dobutamine, Amlodipine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Anemia
Interventions
Erythropoietin alpha, Placebo
Drug
Lead sponsor
Mathew S. Maurer
Other
Eligibility
55 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2017 · Synced May 22, 2026, 2:46 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Heart Failure
Interventions
BAROSTIM NEO® System, Standard of care medical managment therapy for heart failure
Device · Other
Lead sponsor
CVRx, Inc.
Industry
Eligibility
21 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
23
States / cities
Mesa, Arizona • Phoenix, Arizona • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated May 13, 2019 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Heart Failure
Interventions
Placebo, Omecamtiv mecarbil
Drug
Lead sponsor
Cytokinetics
Industry
Eligibility
18 Years to 85 Years
Enrollment
614 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
45
States / cities
Mobile, Alabama • Inglewood, California • La Jolla, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Heart Failure, Cardiac Failure, Reduced Ventricular Ejection Fraction
Interventions
HNO Donor, Nitroglycerin (NTG), Placebo
Drug · Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
6
States / cities
Tustin, California • Chicago, Illinois • Indianapolis, Indiana + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2020 · Synced May 22, 2026, 2:46 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Prior Acute Myocardial Infarction, Evidence of Systemic Inflammation (C Reactive Protein Plasma >2 mg/l), Reduced Left Ventricle Ejection Fraction (<50%), Symptoms of Heart Failure (NYHA Class II-III)
Interventions
Cardiopulmonary exercise test, Echocardiogram
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 110 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced May 22, 2026, 2:46 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Coronary Artery Disease, Unstable Angina, Angina, Stable, NSTEMI - Non-ST Segment Elevation MI
Interventions
Prophylactic Impella support for a non-emergent PCI
Device
Lead sponsor
Abiomed Inc.
Industry
Eligibility
18 Years and older
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
21
States / cities
Phoenix, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 18 more
Source: ClinicalTrials.gov public record
Updated Dec 13, 2021 · Synced May 22, 2026, 2:46 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Diastolic Heart Failure
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
21 Years and older
Enrollment
514 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced May 22, 2026, 2:46 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Current or Recent History of Atrial Fibrillation
Interventions
bucindolol hydrochloride, metoprolol succinate, Placebo oral capsule
Drug · Other
Lead sponsor
ARCA Biopharma, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
48
States / cities
Anchorage, Alaska • Phoenix, Arizona • East Palo Alto, California + 43 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2022 · Synced May 22, 2026, 2:46 AM EDT