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ClinicalTrials.gov public records Last synced May 21, 2026, 11:10 PM 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: Heart Failure, Diastolic Clear all
Enrolling by invitation Not applicable Interventional
View directory record Official record
Conditions
Heart Failure Preserved Ejection Fraction
Interventions
Coronary Sinus Reducer
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced May 21, 2026, 11:10 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Diastolic Heart Failure, Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
University of Toledo Health Science Campus
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 17, 2019 · Synced May 21, 2026, 11:10 PM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Heart Failure, Diastolic
Interventions
Exenatide
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
30 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced May 21, 2026, 11:10 PM EDT
Terminated Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced May 21, 2026, 11:10 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Heart Failure, Diastolic
Interventions
transcutaneous vagus nerve stimulation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced May 21, 2026, 11:10 PM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
Heart Failure, Diastolic, Heart Failure With Preserved Ejection Fraction
Interventions
AAV1/SERCA2a
Biological
Lead sponsor
Sardocor Corp.
Industry
Eligibility
50 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
2
States / cities
Durham, North Carolina • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced May 21, 2026, 11:10 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Heart Failure
Interventions
Rheos® system
Device
Lead sponsor
CVRx, Inc.
Industry
Eligibility
21 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
22
States / cities
Mobile, Alabama • Inglewood, California • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced May 21, 2026, 11:10 PM EDT
Enrolling by invitation Phase 2 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced May 21, 2026, 11:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Lv Hypertrophy, Heart Failure, Diastolic, Stiffness, Vascular
Interventions
High intensity exercise, Yoga
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
40 Years to 64 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2019 · Synced May 21, 2026, 11:10 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Heart Failure, Cardiovascular Disease
Interventions
Kuvan
Drug
Lead sponsor
Providence VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced May 21, 2026, 11:10 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Diastolic Heart Failure, Hypertensive Heart Disease
Interventions
DASH/sodium-restricted diet (SRD)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced May 21, 2026, 11:10 PM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Diastolic Heart Failure, Diastolic Dysfunction
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2009 · Synced May 21, 2026, 11:10 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Avandia (Rosiglitazone), Avanclia (Rosiqlitazone)
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
22 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 11:10 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Diastolic Heart Failure, Heart Failure, Congestive
Interventions
Spironolactone, Placebo
Drug
Lead sponsor
Wake Forest University
Other
Eligibility
60 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced May 21, 2026, 11:10 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Heart Failure; With Decompensation, Cardiorenal Syndrome, Cardio-Renal Syndrome, Heart Failure, Heart Failure，Congestive, Heart Failure, Systolic, Heart Failure, Diastolic
Interventions
Aortix System
Device
Lead sponsor
Procyrion
Industry
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Denver, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced May 21, 2026, 11:10 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced May 21, 2026, 11:10 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Heart Failure Preserved Ejection Fraction
Interventions
Resistance Exercise Training, DEXA bone scan, Cardiopulmonary Max Exercise Test, Quality of Life Questionnaire, Submaximal Exercise Test, Blood Draw
Other · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced May 21, 2026, 11:10 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
blood volume measurement, venous plethysmography
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced May 21, 2026, 11:10 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction, Heart Failure With Preserved Ejection Fraction
Interventions
JK07, Placebo
Drug
Lead sponsor
Salubris Biotherapeutics Inc
Industry
Eligibility
18 Years to 85 Years
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
51
States / cities
Alexander City, Alabama • Birmingham, Alabama • Huntsville, Alabama + 45 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced May 21, 2026, 11:10 PM EDT
Recruiting Phase 4 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced May 21, 2026, 11:10 PM 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 21, 2026, 11:10 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Diastolic Heart Failure
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2022
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced May 21, 2026, 11:10 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Heart Failure, Congestive, Dyspnea, Pulmonary Edema
Interventions
ALT-711
Drug
Lead sponsor
Synvista Therapeutics, Inc
Industry
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 1, 2009 · Synced May 21, 2026, 11:10 PM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Heart Failure
Interventions
Insignia Plus / Ultra (Guidant/Boston Scientific)
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
5
States / cities
Jonesboro, Arkansas • Louisville, Kentucky • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced May 21, 2026, 11:10 PM EDT