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Showing 1–24 of 249 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational

Sleep Apnea in Heart Failure With Preserved Ejection Fraction

NCT05008432
View directory record Official record
Conditions
Heart Failure, Obstructive Sleep Apnea
Interventions
Home sleep apnea testing
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Jul 23, 2026, 4:59 PM EDT
Completed Not applicable Interventional Results available

NMES in HF Patients to Improve Functional Recovery Following Hospitalization

NCT05338437
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Neuromuscular electrical stimulation
Device
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
50 Years to 90 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Jul 23, 2026, 4:59 PM EDT
Completed Not applicable Interventional

Weight Loss as Therapy for Heart Failure With Preserved Ejection Fraction

NCT02911337
View directory record Official record
Conditions
Heart Failure, Diastolic, Weight Loss
Interventions
lifestyle modification
Dietary Supplement
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Jul 23, 2026, 4:59 PM EDT
Completed Not applicable Interventional Results available

Efficacy Study of Pacemakers to Treat Slow Heart Rate in Patients With Heart Failure

NCT02145351
View directory record Official record
Conditions
Heart Failure With a Preserved Ejection Fraction, Heart Failure, Diastolic, Chronotropic Incompetence
Interventions
Rate adaptive atrial pacing using a dual-chamber pacemaker, Pacemaker system will be implanted but set to Pacing Off.
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Jul 23, 2026, 4:59 PM EDT
Recruiting Phase 2 Interventional

SGLT2i and KNO3 in HFpEF - The SAK HFpEF Trial

NCT05138575
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Empagliflozin + Potassium Chloride, Empagliflozin + Potassium Nitrate, Potassium Chloride + Placebo for Empagliflozin
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jul 23, 2026, 4:59 PM EDT
Not listed No phase listed Observational

Cardiopulmonary and Right Ventricular Function in Health and Disease

NCT04147299
View directory record Official record
Conditions
Heart Failure, Athletes Heart
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
80 participants
Timeline
2020 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 17, 2023 · Synced Jul 23, 2026, 4:59 PM EDT
Completed Phase 3 Interventional Results available

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

NCT03448406
View directory record Official record
Conditions
Heart Failure
Interventions
Empagliflozin, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
43
States / cities
Mobile, Alabama • Saraland, Alabama • Huntington Beach, California + 39 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2020 · Synced Jul 23, 2026, 4:59 PM EDT
Completed Phase 4 Interventional Results available

Pilot Deprescribing N-of-1 Trials for Beta-blockers in HFpEF

NCT04757584
View directory record Official record
Conditions
Heart Failure, Heart Failure, Diastolic, Heart Failure With Preserved Ejection Fraction, Cardiac Failure, Heart Disease
Interventions
Beta blockers
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
65 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2024 · Synced Jul 23, 2026, 4:59 PM EDT
Completed Not applicable Interventional

Unsaturated Fatty Acids to Improve Cardiorespiratory Fitness in Obesity and HFpEF

NCT03966755
View directory record Official record
Conditions
Obesity, Heart Failure With Normal Ejection Fraction
Interventions
UFA dietary recommendations
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Jul 23, 2026, 4:59 PM EDT
Completed Phase 2 Interventional Results available

Acute Effects of Inorganic Nitrite on Cardiovascular Hemodynamics in Heart Failure With Preserved Ejection Fraction

NCT01932606
View directory record Official record
Conditions
Heart Disease, Heart Failure With Preserved Ejection Fraction, Exercise Intolerance, Pulmonary Hypertension
Interventions
Nitrite, Saline Placebo for Nitrite
Drug
Lead sponsor
Barry Borlaug
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 13, 2016 · Synced Jul 23, 2026, 4:59 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

The Effect of Adiposity on Muscle and Microvascular Function in HFpEF

NCT06930495
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction (HFPEF)
Interventions
Weight loss SOC Treatment with second generation anti-diabetic medications
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Jul 23, 2026, 4:59 PM EDT
Recruiting No phase listed Observational

A Study Of CS Reducer For Symptomatic Heart Failure With HFpEF And CMD

NCT07093528
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Coronary Microvascular Dysfunction
Interventions
Cardiovascular Magnetic Resonance (CMR)
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Jul 23, 2026, 4:59 PM EDT
Completed No phase listed Observational

Physiological Signals, Activity and Posture for Surface Mounted Insertable Cardiac Monitor in Heart Failure Study

NCT04112576
View directory record Official record
Conditions
Heart Failure, Systolic, Heart Failure, Diastolic
Interventions
Wearable cardiac monitor
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 6, 2023 · Synced Jul 23, 2026, 4:59 PM EDT
Active, not recruiting Phase 3 Interventional

LEVosimendan to Improve Exercise Limitation in Patients With PH-HFpEF

NCT05983250
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
40
States / cities
Tucson, Arizona • La Jolla, California • Los Angeles, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 23, 2026, 4:59 PM EDT
Completed Not applicable Interventional

Exercise Training Effect in Patients With HF and PEF

NCT02696486
View directory record Official record
Conditions
Heart Failure
Interventions
Exercise Training
Behavioral
Lead sponsor
MultiCare Health System Research Institute
Other
Eligibility
55 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Jul 23, 2026, 4:59 PM EDT
Recruiting Phase 3 Interventional

Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and Obesity

NCT07037459
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Heart Failure With Mildly Reduced Ejection Fraction, Obesity
Interventions
Maridebart cafraglutide, Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 99 Years
Enrollment
5,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
111
States / cities
Birmingham, Alabama • Dothan, Alabama • Fairhope, Alabama + 99 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 23, 2026, 4:59 PM EDT
Completed Phase 4 Interventional

Impact of Empagliflozin on Functional Capacity in Heart Failure with Preserved Ejection Fraction

NCT05139472
View directory record Official record
Conditions
Heart Failure with Preserved Ejection Fraction, Heart Failure, Diastolic, Diabetes Mellitus
Interventions
Empagliflozin 10 MG
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 23, 2026, 4:59 PM EDT
Enrolling by invitation Phase 4 Interventional

A Preliminary Study for INFORMED

NCT05585125
View directory record Official record
Conditions
Heart Failure, Heart Failure, Diastolic, Heart Failure With Preserved Ejection Fraction, Cardiac Failure, Heart Diseases
Interventions
Beta blocker
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Jul 23, 2026, 4:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Effect of Different Low-Level Tragus Stimulation Parameters On Autonomic Nervous System Function

NCT04682704
View directory record Official record
Conditions
Atrial Fibrillation, Heart Failure, Diastolic
Interventions
Parasym
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years to 90 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Jul 23, 2026, 4:59 PM EDT
Recruiting Not applicable Interventional

Using Ultromics EchoGo HFpEF Algorithm to Identify and Treat High Heart Failure Risk in Patients With Type 2 Diabetes

NCT06593314
View directory record Official record
Conditions
Heart Failure, Diabetes
Interventions
Message with EchoGo, Standard Message
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Not listed
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Jul 23, 2026, 4:59 PM EDT
Terminated Not applicable Interventional Results available

Global Prevalence of ATTR-CM in Participants With HFpEF

NCT04424914
View directory record Official record
Conditions
Transthyretin Amyloid Cardiomyopathy, Heart Failure With Preserved Ejection Fraction
Interventions
Scintigraphy
Diagnostic Test
Lead sponsor
Pfizer
Industry
Eligibility
60 Years and older
Enrollment
347 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
22
States / cities
Fairhope, Alabama • Huntsville, Alabama • Miami, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2024 · Synced Jul 23, 2026, 4:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

HEART Camp Connect -Promoting Exercise in Adults With Heart Failure With Preserved Ejection Fraction

NCT05784753
View directory record Official record
Conditions
HFpEF - Heart Failure With Preserved Ejection Fraction
Interventions
HEART Camp, HEART Camp Connect
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
3
States / cities
Detroit, Michigan • Omaha, Nebraska • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Jul 23, 2026, 4:59 PM EDT
Recruiting Phase 2 Interventional

EXercise and Activin Inhibition to Modulate InflammatioN Effects on Heart Failure and Cognition (EXAMINE-HFC)

NCT07202000
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Activin ligand-trap biological therapy, Placebo, Normal Saline
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 23, 2026, 4:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor

NCT06699056
View directory record Official record
Conditions
Ventricular Ejection Fraction, LVF, LV Dysfunction, Atrial Enlargement, Conduction Defect, Heart Failure, Valvular Heart Disease, Ischemic Heart Disease, Cardiotoxicity, Myocardial Infarction, Dilated Cardiomyopathy, HFrEF - Heart Failure With Reduced Ejection Fraction, HFpEF - Heart Failure With Preserved Ejection Fraction, Syncope, Remodeling, Cardiac
Interventions
15-minutes of sitting during COR ECG Acquistion
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
8
States / cities
Orange, California • Pasadena, California • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 23, 2026, 4:59 PM EDT