Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 7, 2026, 3:19 AM EDT

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Showing 1–24 of 129 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Pacemaker, Diastolic Dysfunction, Diastolic Heart Failure
Interventions
Adjustment of lower rate limit, Maintenance of lower rate limit
Device
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Heart Failure, Diastolic, Obesity
Interventions
Exercise, Dietary Intervention, Diet and exercise, Attention Control
Behavioral · Dietary Supplement · Other
Lead sponsor
Wake Forest University
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Winston-Salem, North Carolina
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
Enrolling by invitation Phase 2 Interventional

Chronic Exogenous Ketosis in HFpEF

NCT06937320
Conditions
Heart Failure With Preserved Ejection Fraction (HFPEF), Heart Failure With Normal Ejection Fraction, Heart Failure, Diastolic
Interventions
Exogenous Ketone Drink, Placebo
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Atrial Fibrillation, Heart Failure, Diastolic Heart Failure
Interventions
Catheter ablation, Rate or Rhythm control antiarrhythmic drugs for atrial fibrillation, Insertion of CardioMems Hemodynamic monitor, Empiric heart failure drug therapy
Device · Drug
Lead sponsor
Electrophysiology Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
7
States / cities
Flagstaff, Arizona • Jonesboro, Arkansas • Littleton, Colorado + 4 more
Conditions
Valvular Heart Disease Patients, Aortic Stenosis, Mitral Regurgitation, Left Ventricular Diastolic Dysfunction
Interventions
Kosmos Torso-One AI-guided Point-of-Care Ultrasound (EchoNous, Inc.)
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
65 Years to 85 Years
Enrollment
1,088 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Dallas, Texas
Conditions
Heart Failure
Interventions
Blood Sample, Stool Sample
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Heart Failure, Systolic, Heart Failure, Diastolic, Peripheral Arterial Disease, Overweight and Obesity
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
70 participants
Timeline
2023 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Heart Failure
Interventions
O2 consumption max bike test
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Heart Failure, Diastolic
Interventions
HIIT, MCT
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
50 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Heart Failure, Diastolic
Interventions
Dual chamber pacemaker, Accelerated Physiologic Pacing, Nocturnal Pacing
Device · Other
Lead sponsor
Daniel L Lustgarten
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Heart Failure
Interventions
Exercise, Control
Behavioral
Lead sponsor
Wake Forest University
Other
Eligibility
60 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2009
U.S. locations
1
States / cities
Winston-Salem, North Carolina
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
Conditions
Heart Failure
Interventions
CocoaVia
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
La Jolla, California
Completed Phase 2 Interventional Results available

Interleukin-1 Blockade in HF With Preserved EF

NCT02173548
Conditions
Heart Failure With Normal Ejection Fraction
Interventions
Anakinra, Placebo
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Pulmonary Hypertension, Heart Failure, Diastolic
Interventions
Inhaled Nitrite
Drug
Lead sponsor
Schmidhofer, Mark, MD
Individual
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Atrial Fibrillation, Diastolic Dysfunction, HFpEF - Heart Failure With Preserved Ejection Fraction
Interventions
As needed pharmacological rate control with beta-blocker (metoprolol tartrate, metoprolol succinate) or calcium channel blocker (diltiazem, verapamil)
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Burlington, Vermont
Completed Not applicable Interventional

Safety and Efficacy Study of AI LVEF

NCT05140642
Conditions
Heart Failure, Systolic, Heart Failure, Diastolic
Interventions
Automated annotation of the left ventricle through deep learning, Sonographer Measurement of LVEF
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 110 Years
Enrollment
3,495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Los Angeles, California
Withdrawn Not applicable Interventional Accepts healthy volunteers

Understanding the Mechanisms of Diastolic Dysfunction

NCT03340233
Conditions
Heart Failure With Preserved Ejection Fraction, Healthy
Interventions
MRI (cardiac) off-label use gadolinium contrast (IND exempt), MRI (cardiac)
Diagnostic Test
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Pulmonary Hypertension, Diastolic Heart Failure, Heart Failure With Preserved Ejection Fraction
Interventions
Nebivolol
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Myocardial Perfusion, Oxidative Metabolism, and Fibrosis in HFpEF

NCT02589977
Conditions
Heart Failure, Diastolic, Diastolic Heart Failure, Hypertension
Interventions
regadenoson
Drug
Lead sponsor
Marvin W. Kronenberg, M.D.
Other
Eligibility
50 Years to 75 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Cardiovascular Diseases, Heart Diseases, Heart Failure, Congestive
Interventions
Spironolactone, Placebo
Drug
Lead sponsor
Carelon Research
Other
Eligibility
50 Years and older
Enrollment
3,445 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
155
States / cities
Birmingham, Alabama • Glendale, Arizona • Phoenix, Arizona + 120 more
Conditions
Heart Failure, Diastolic Heart Failure
Interventions
KNO3, KCl
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Heart Failure, Congestive, Heart Decompensation, Left Ventricular Failure, Myocardiopathies, Systolic or Diastolic Left Ventricular Dysfunction
Interventions
Carperitide, Placebo
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
30
States / cities
Huntsville, Alabama • Los Angeles, California • Orange, California + 25 more