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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Heart Failure, Diastolic Clear all
Not listed No phase listed Observational

Assessment of Left Ventricular Filling Pressure by Applying Artificial Intelligence Algorithms to Left Atrial Speckle-tracking Echocardiography

NCT05768698
View directory record Official record
Conditions
Heart Failure, Diastolic, Echocardiography
Interventions
Software algorithm
Diagnostic Test
Lead sponsor
Istituto Auxologico Italiano
Other
Eligibility
18 Years and older
Enrollment
20 participants
Timeline
2021 – 2024
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Jul 21, 2026, 9:24 PM EDT
Completed Not applicable Interventional Results available

The Effects of Ranolazine on Exercise Capacity in Patients With Heart Failure With Preserved Ejection Fraction

NCT01505179
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Ranolazine, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Jul 21, 2026, 9:24 PM EDT
Terminated Not applicable Interventional Results available

Restoration of Chronotropic Competence in Heart Failure Patients With Normal Ejection Fraction

NCT00670111
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 Jul 21, 2026, 9:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Rosiglitazone to Treat Patients With Heart Failure and Glucose Intolerance or Type II Diabetes

NCT00064727
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 Jul 21, 2026, 9:24 PM EDT
Completed No phase listed Observational

Heart Failure and a Preserved Ejection Fraction

NCT00586833
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 13, 2010 · Synced Jul 21, 2026, 9:24 PM EDT
Completed Not applicable Interventional

Physiologic Accelerated Pacing as a Treatment in Patients With Heart Failure With Preserved Ejection Fraction

NCT04546555
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Jul 21, 2026, 9:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Systolic Blood Pressure Intervention Trial

NCT01206062
View directory record Official record
Conditions
Hypertension
Interventions
Intensive control of SBP, Standard control of SBP
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
50 Years and older
Enrollment
9,361 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Jul 21, 2026, 9:24 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Effect of Eleclazine (GS-6615) on Exercise Capacity in Subjects With Symptomatic Hypertrophic Cardiomyopathy

NCT02291237
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy
Interventions
Eleclazine, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
26
States / cities
Los Angeles, California • Stanford, California • New Haven, Connecticut + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2018 · Synced Jul 21, 2026, 9:24 PM EDT
Completed Phase 2 Interventional Results available

Pharmacokinetics, Pharmacodynamics, and Impact of Inorganic Nitrate on Exercise in HFpEF

NCT02256345
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 2, 2017 · Synced Jul 21, 2026, 9:24 PM EDT
Enrolling by invitation Not applicable Interventional

Coronary Sinus Reducer For The Management Of Symptomatic Heart Failure

NCT07057323
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 Jul 21, 2026, 9:24 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

The Role of Gut Microbiota in Heart Failure and Pre-Heart Failure With Preserved Ejection Fraction

NCT02728154
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Jul 21, 2026, 9:24 PM EDT
Completed Not applicable Interventional

Rheos System for the Treatment of HFpEF Heart Failure

NCT00957073
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 Jul 21, 2026, 9:24 PM EDT
Completed Phase 4 Interventional Results available

Impact of Beta-blockers on Physical Function in HFpEF

NCT04767061
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 Sep 7, 2023 · Synced Jul 21, 2026, 9:24 PM EDT
Recruiting No phase listed Observational

Associations Between the Microbiome, Skeletal Muscle Perfusion, and Fitness Status

NCT06009276
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Jul 21, 2026, 9:24 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Mathematical Modeling to Determine Basic Muscle Properties in the Failing Heart

NCT01778894
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 Jul 21, 2026, 9:24 PM EDT
Recruiting Not applicable Interventional

Prevalence and Prediction of ATTR in Ambulatory Patients With HFpEF

NCT05577819
View directory record Official record
Conditions
Transthyretin Amyloidosis, Heart Failure, Heart Failure, Diastolic, Amyloidosis
Interventions
99mTc-pyrophosphate Scintigraphy
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
65 Years and older
Enrollment
515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2024 · Synced Jul 21, 2026, 9:24 PM EDT
Completed No phase listed Observational

Classification of Heart Failure With Preserved Ejection Fraction

NCT01030991
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 Jul 21, 2026, 9:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Metabolic Health in Patients With Diastolic Dysfunction

NCT03448185
View directory record Official record
Conditions
Obesity, Heart Failure, Diastolic, Metabolic Syndrome
Interventions
High intensity exercise, Omega-3 fish oil, Yoga, olive oil capsules
Behavioral · Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
40 Years to 60 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 4, 2023 · Synced Jul 21, 2026, 9:24 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 21, 2026, 9:24 PM EDT
Terminated Not applicable Interventional Results available

Effects of Statin Therapy on Vascular Properties and Outcomes in Diastolic Heart Failure Patients

NCT00585611
View directory record Official record
Conditions
Diastolic Heart Failure
Interventions
Atorvastatin, placebo
Drug · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 25, 2019 · Synced Jul 21, 2026, 9:24 PM EDT
Completed No phase listed Observational

Left Ventricular Torsional Hysteresis: A Global Parameter for Diastolic Function

NCT01431027
View directory record Official record
Conditions
Heart Failure, Diastolic Heart Failure, Heart Failure With Normal Ejection Fraction
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 17, 2015 · Synced Jul 21, 2026, 9:24 PM EDT
Completed Not applicable Interventional Results available

Hemodynamic-GUIDEd Management of Heart Failure

NCT03387813
View directory record Official record
Conditions
Heart Failure, Heart Failure, Systolic, Heart Failure, Diastolic, Heart Failure NYHA Class II, Heart Failure NYHA Class III, Heart Failure NYHA Class IV, Heart Failure，Congestive, Heart Failure With Reduced Ejection Fraction, Heart Failure With Normal Ejection Fraction, Heart Failure; With Decompensation
Interventions
CardioMEMS™ HF System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
2,358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
125
States / cities
Phoenix, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 100 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Jul 21, 2026, 9:24 PM EDT
Completed Not applicable Interventional

Catheterization Laboratory Study: Acute Responses in Diastolic Heart Failure

NCT00204945
View directory record Official record
Conditions
Heart Failure, Congestive
Interventions
nesiritide
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Jul 21, 2026, 9:24 PM EDT
Completed No phase listed Observational

The Regulation of Pulmonary Vascular Resistance in Patients With Heart Failure

NCT02275793
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 Jul 21, 2026, 9:24 PM EDT