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Showing 1–24 of 243 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Heart Failure, Reduced Ejection Fraction Clear all
Terminated Not applicable Interventional

Radiofrequency (RF) Ablation for Atrial Fibrillation (AF) in Patients With Heart Failure With Preserved Ejection Fraction

NCT04327596
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
RF ablation of AF using CARTO 3 and a Thermocool ST SF ablation catheter
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
50 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced Sep 22, 2026, 10:04 AM EDT
Completed Not applicable Interventional

A Pilot Trial of Patient Decision Aids for Implantable Cardioverter-Defibrillators (ICDs)

NCT02026102
View directory record Official record
Conditions
Systolic Heart Failure, Sudden Cardiac Death
Interventions
ICD Decision Aid Toolkit
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
3
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 30, 2019 · Synced Sep 22, 2026, 10:04 AM EDT
Recruiting Phase 4 Interventional

Mechanistic Clinical Trial Comparing the Pharmacokinetics/Pharmacodynamics of Metoprolol in Heart Failure With Reduced Ejection Fraction Patients With Low vs. High Polygenic Score

NCT07490067
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
Metoprolol Succinate, Beta-Blocker Polygenic Score, Illumina Infinium Global Diversity Array with Enhanced Pharmacogenomics (PGx)
Drug · Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Recruiting Early Phase 1 Interventional

Acute and Chronic Effects of Oral Ketones in Subjects With HFrEF and Diabetes

NCT06108076
View directory record Official record
Conditions
Type 2 Diabetes, Heart Failure, Reduced Ejection Fraction
Interventions
Ketone Monoester (KE)
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Enrolling by invitation No phase listed Observational

Gut Microbiome Profiling in Patients With Chronic Heart Failure

NCT06361524
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction, Nonischemic Cardiomyopathy
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Sep 22, 2026, 10:04 AM EDT
Terminated Not applicable Interventional

Comparative Effectiveness of Prophylactic ICD Versus Non-ICD Therapy

NCT06543446
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Recruiting Phase 1 Interventional

A Study of LY3971297 in Participants With Heart Failure

NCT07547540
View directory record Official record
Conditions
Heart Failure, Heart Failure, Diastolic, Heart Failure, Systolic
Interventions
LY3971297, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
4
States / cities
Detroit, Michigan • St Louis, Missouri • Chapel Hill, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Recruiting Phase 3 Interventional

A Study to Determine the Efficacy and Safety of Finerenone on Morbidity and Mortality Among Hospitalized Heart Failure Patients

NCT06008197
View directory record Official record
Conditions
Heart Failure, Acute Heart Failure
Interventions
Finerenone, Placebo
Drug
Lead sponsor
Colorado Prevention Center
Other
Eligibility
18 Years and older
Enrollment
5,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
82
States / cities
Birmingham, Alabama • Fairhope, Alabama • Huntsville, Alabama + 72 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Suspended Not applicable Interventional

Clinical Evaluation of the AccuCinch® Ventricular Restoration System in Patients Who Present With Symptomatic Heart Failure With Reduced Ejection Fraction (HFrEF): The CORCINCH-HF Study

NCT04331769
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction (HFrEF), Dilated Cardiomyopathy
Interventions
AccuCinch Ventricular Restoration System, Guideline-Directed Medical Therapy
Device · Drug
Lead sponsor
Ancora Heart, Inc.
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
96
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 75 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Terminated Not applicable Interventional

STandardized Ultra-conservative Or Physician-directed ICD Programming for Continuous Flow LVAD Support

NCT04264182
View directory record Official record
Conditions
Heart Failure, Systolic, Left Ventricular Assist Device, ICD
Interventions
ICD programming
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 7, 2022 · Synced Sep 22, 2026, 10:04 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Clinical Trial of Human Allogenic Culture-expanded Bone Marrow-derived Mesenchymal Stem Cells

NCT05925608
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
CardiALLO™ Human Allogenic Culture-expanded Bone marrow-derived Mesenchymal Stem Cells (hMSCs), Diagnostic Catheterization
Combination Product · Diagnostic Test
Lead sponsor
BioCardia, Inc.
Industry
Eligibility
21 Years to 80 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Sep 22, 2026, 10:04 AM EDT
Terminated Phase 3 Interventional

A Research Study to Look at How Ziltivekimab Works Compared to Placebo in People With Heart Failure and Inflammation

NCT05636176
View directory record Official record
Conditions
Heart Failure
Interventions
Ziltivekimab, Placebo
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
4,899 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
172
States / cities
Alexander City, Alabama • Fairhope, Alabama • Huntsville, Alabama + 141 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Completed No phase listed Observational

Patient Reported Outcomes inVestigation Following Initiation of Drug Therapy With Entresto (Sacubitril/Valsartan) in Heart Failure

NCT03387163
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Sacubitril/Valsartan
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
402 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Sep 22, 2026, 10:04 AM EDT
Suspended Not applicable Interventional

SCD for CRS in Congestive Heart Failure (CHF) (No Left Ventricular Assist Device)

NCT04589065
View directory record Official record
Conditions
Heart Failure, Chronic Systolic Heart Failure, Renal Failure, Cardiorenal Syndrome
Interventions
Selective Cytopheretic Device
Device
Lead sponsor
Lenar Yessayan
Other
Eligibility
21 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Sep 22, 2026, 10:04 AM EDT
Not listed Phase 4 Interventional

Dapagliflozin And Pulmonary Artery Hemodynamics in Heart Failure With Reduced Ejection Fraction Patients With CardioMEMS®

NCT04570865
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Dapagliflozin, CardioMEMS
Drug · Device
Lead sponsor
Scripps Health
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2020 · Synced Sep 22, 2026, 10:04 AM EDT
Terminated Phase 4 Interventional

IRONICA: IRON Repletion In Heart Failure - A Comparison of Oral and IV Approaches

NCT07053475
View directory record Official record
Conditions
Heart Failure, Heart Failure With Reduced Ejection Fraction (HFrEF), Heart Failure With Preserved Ejection Fraction (HFPEF), Iron Deficiency, Iron-deficiency Anemia (IDA)
Interventions
Ferric Carboxymaltose, Ferrous Sulfate
Drug
Lead sponsor
Syed Hamza Mufarrih
Other
Eligibility
18 Years to 100 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bowling Green, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Active, not recruiting Not applicable Interventional

MCNAIR Study: coMparative effeCtiveness of iN-person and teleheAlth cardIac Rehabilitation

NCT05933083
View directory record Official record
Conditions
Myocardial Infarction, Heart Failure, Systolic, Heart Valve Diseases, Angina, Stable, Coronary Artery Disease, Heart Transplant
Interventions
In-person cardiac rehabilitation, Telehealth cardiac rehabilitation
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
516 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
5
States / cities
San Francisco, California • Denver, Colorado • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Active, not recruiting Not applicable Interventional

REDUCE LAP-HFREF TRIAL

NCT03093961
View directory record Official record
Conditions
Heart Failure
Interventions
IASD implant
Device
Lead sponsor
Corvia Medical
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Sep 22, 2026, 10:04 AM EDT
Recruiting Not applicable Interventional

Implementation and Interaction of Clinician And Patient-facing Tools Aiming to Intensify Neurohormonal Medicines for Heart Failure

NCT06526988
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
EPIC-HF Patient-facing Tool, PROMPT-HF Clinician-facing Alert
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
2,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
5
States / cities
Walnut Creek, California • Aurora, Colorado • New Haven, Connecticut + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Completed No phase listed Observational Results available

Heart Failure Optimization Study

NCT03016754
View directory record Official record
Conditions
Sudden Cardiac Death, Sudden Cardiac Arrest, Heart Failure, Heart Failure Low Output
Interventions
Wearable Cardioverter Defibrillator
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
39
States / cities
Birmingham, Alabama • West Hills, California • Fernandina Beach, Florida + 34 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2025 · Synced Sep 22, 2026, 10:04 AM EDT
Completed Phase 3 Interventional Results available

This Study Tests Empagliflozin in Patients With Chronic Heart Failure With Reduced Ejection Fraction (HFrEF). The Study Looks at How Far Patients Can Walk in 6 Minutes and at Their Heart Failure Symptoms

NCT03448419
View directory record Official record
Conditions
Heart Failure
Interventions
Empagliflozin, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
41
States / cities
Mobile, Alabama • Saraland, Alabama • Huntington Beach, California + 37 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2020 · Synced Sep 22, 2026, 10:04 AM EDT
Recruiting Not applicable Interventional

Alleviant ALLAY-HFrEF Study

NCT06812533
View directory record Official record
Conditions
Heart Failure
Interventions
Alleviant ALV1 System, Sham-Control
Device · Other
Lead sponsor
Alleviant Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
40
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 31 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Sep 22, 2026, 10:04 AM EDT
Completed Phase 3 Interventional Results available

Perioperative Antibiotic Therapy to Prevent Cardiac Implantable Electronic Device Infections.

NCT02809131
View directory record Official record
Conditions
Sick Sinus Syndrome, Complete Heart Block, Syncope, Chronic Systolic Heart Failure
Interventions
polymixin/bacitracin, cephalexin, or levofloxacin, or clindamycin, Saline
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
1,010 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced Sep 22, 2026, 10:04 AM EDT