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ClinicalTrials.gov public records Last synced Oct 27, 2026, 8:09 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 433–456 of 510 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Heart Dysfunction Clear all
Completed No phase listed Observational Results available

IMPROVE HF: Registry to Improve the Use of Evidence-Based Heart Failure Therapies in the Outpatient Setting

NCT00303979
View directory record Official record
Conditions
Heart Failure, Congestive, Myocardial Infarction, Ventricular Dysfunction, Left
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
34,810 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
144
States / cities
Birmingham, Alabama • Mobile, Alabama • Mesa, Arizona + 121 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Oct 27, 2026, 8:09 PM EDT
Completed Phase 4 Interventional Results available

To Evaluate the Effect of Liraglutide on Ambulatory Blood Pressure-A Pilot Study

NCT02299388
View directory record Official record
Conditions
Diabetes Mellitus, Non-Insulin-Dependent, Hypertensive Disease
Interventions
Liraglutide or Placebo
Drug
Lead sponsor
Tulane University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Oct 27, 2026, 8:09 PM EDT
Withdrawn Phase 2 Interventional

Effects of Prolonged Delivery of Nitric Oxide Gas on Plasma Reduction-Oxidation Reactions in Cardiac Surgical Patients

NCT04022161
View directory record Official record
Conditions
Cardiovascular Diseases, Oxidative Stress, Endothelial Dysfunction
Interventions
Nitrogen Gas for Inhalation, Blood withdrawal, Nitric Oxide
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 27, 2026, 8:09 PM EDT
Terminated Not applicable Interventional

Effect of Ranolazine on Echocardiographic Indices of Diastolic Dysfunction

NCT00574756
View directory record Official record
Conditions
Ranolazine, Diastolic Heart Failure, Tissue Doppler Ultrasound, Echocardiography
Interventions
ranolazine
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2019 · Synced Oct 27, 2026, 8:09 PM EDT
Not listed No phase listed Observational

MyoVista wavECG Clinical Validation Study Versus Low e' on Echocardiogram

NCT04804969
View directory record Official record
Conditions
Cardiac Disease
Interventions
MyoVista wavECG Test
Device
Lead sponsor
Heart Test Laboratories, Inc.
Industry
Eligibility
22 Years and older
Enrollment
575 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
5
States / cities
La Jolla, California • Boston, Massachusetts • The Bronx, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 27, 2026, 8:09 PM EDT
Recruiting No phase listed Observational

Optimizing Pulsatility During Cardiopulmonary Bypass

NCT05344573
View directory record Official record
Conditions
Endothelial Dysfunction, Acute Kidney Injury
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years to 70 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Oct 27, 2026, 8:09 PM EDT
Completed No phase listed Observational

MyoStrain CMR Testing of Ischemia With Low Levels of Stress

NCT03543241
View directory record Official record
Conditions
Coronary Artery Disease, Myocardial Ischemia, Myocardial Dysfunction
Interventions
MyoStrain
Diagnostic Test
Lead sponsor
Myocardial Solutions
Industry
Eligibility
18 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Oct 27, 2026, 8:09 PM EDT
Completed Phase 2 Interventional Results available

Vericiguat in Patients With Metabolic Syndrome and Coronary Vascular Dysfunction

NCT05711719
View directory record Official record
Conditions
Metabolic Syndrome, Coronary Microvascular Dysfunction
Interventions
Vericiguat, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
35 Years to 85 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 27, 2026, 8:09 PM EDT
Terminated No phase listed Observational

Hand Injected Ventriculography vs. Power Injected Left Ventriculography

NCT01310517
View directory record Official record
Conditions
Heart; Functional Disturbance
Interventions
Not listed
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2014 · Synced Oct 27, 2026, 8:09 PM EDT
Completed Not applicable Interventional

Analysis of Surface EKG Signals to Identify Myocardial Dysfunction in Patients at Risk for Coronary Artery Disease

NCT02560168
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
MyoVista device, Computed tomographic coronary angiography, Transthoracic Echocardiography
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2017 · Synced Oct 27, 2026, 8:09 PM EDT
Recruiting No phase listed Observational

Coronary Microvascular Disease (CMD) Registry

NCT05960474
View directory record Official record
Conditions
Coronary Microvascular Dysfunction
Interventions
Outcomes for Patients with CMD
Other
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Timeline
2023 – 2033
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Hollywood, Florida • Clinton, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 7, 2024 · Synced Oct 27, 2026, 8:09 PM EDT
Completed Not applicable Interventional Results available

Safety and Clinical Performance of the Protecta ICD and CRT-D

NCT00982397
View directory record Official record
Conditions
Tachyarrhythmias, Heart Failure, Ventricular Dysfunction
Interventions
Protecta VR-ICD, Protecta DR-ICD or CRT-D
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
2,770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
29
States / cities
Birmingham, Alabama • Mesa, Arizona • Fort Smith, Arkansas + 26 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 27, 2026, 8:09 PM EDT
Completed No phase listed Observational

Myocardial Injury and Dysfunction Associated With COVID-19 Vaccination

NCT05359250
View directory record Official record
Conditions
Myocardial Injury, COVID-19, Vaccine Reaction
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 4, 2025 · Synced Oct 27, 2026, 8:09 PM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

The Effect of Inflammation in Heart Failure

NCT05330013
View directory record Official record
Conditions
Myocardial Dysfunction, Heart Failure, Inflammation
Interventions
Dapagliflozin, MRI scan, CMR imaging
Drug · Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Oct 27, 2026, 8:09 PM EDT
Terminated Not applicable Interventional

Use of 3-D Blood Pool Scintigraphy to Guide Left Ventricular Pacing Lead Placement in Patients Requiring Cardiac Resynchronization Therapy

NCT02669290
View directory record Official record
Conditions
Heart Failure, Left Ventricular Dysfunction, Cardiac Resynchronization Therapy
Interventions
Guided, Non-guided
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Oct 27, 2026, 8:09 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Reproducibility and Accuracy of a Portable System for Early Detection of Cardiac Dysfunction in Childhood Cancer Survivors

NCT05138991
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Echocardiogram Recording, Questionnaire Administration, Stress Cardiac Magnetic Resonance Imaging, Wireless Synchronized Cardiac Function Monitoring Device
Procedure · Other · Device
Lead sponsor
City of Hope Medical Center
Other
Eligibility
Not listed
Enrollment
149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Oct 27, 2026, 8:09 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 Aug 5, 2026 · Synced Oct 27, 2026, 8:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Elucidating the Role of Microvascular Dysfunction in Heart Disease in Women

NCT00663520
View directory record Official record
Conditions
Microvascular Dysfunction
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 18, 2018 · Synced Oct 27, 2026, 8:09 PM EDT
Completed Phase 2 Interventional Results available

Role of Endothelin in Microvascular Dysfunction Following PCI for NSTEMI

NCT00586820
View directory record Official record
Conditions
Myocardial Reperfusion Injury
Interventions
BQ-123, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 4, 2014 · Synced Oct 27, 2026, 8:09 PM EDT
Withdrawn Phase 2 Interventional

Patients With Patent Foramen Ovale and Endocardial Device Leads on Apixaban for Prevention of Paradoxical Emboli

NCT02378623
View directory record Official record
Conditions
Patent Foramen Ovale, Cardiac Implantable Electronic Device
Interventions
Apixaban, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 16, 2018 · Synced Oct 27, 2026, 8:09 PM EDT
Terminated Not applicable Interventional Results available

DEfibrillators To REduce Risk by MagnetIc ResoNance Imaging Evaluation

NCT00487279
View directory record Official record
Conditions
Coronary Artery Disease, Left Ventricular Dysfunction, Sudden Cardiac Death
Interventions
Defibrillator, Control
Device · Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
56
States / cities
Anchorage, Alaska • Tucson, Arizona • Glendale, California + 42 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Oct 27, 2026, 8:09 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

The DISCOVER INOCA Prospective Multi-center Registry

NCT05288361
View directory record Official record
Conditions
Ischemia and No Obstructive Coronary Artery Disease, Coronary Microvascular Dysfunction, Coronary Vasospasm, Endothelial Dysfunction, Microvascular Angina, Chest Pain With Normal Coronary Angiography
Interventions
Coroventis Coroflow Cardiovascular System and PressureWire™ X Guidewire
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2032
U.S. locations
9
States / cities
Los Angeles, California • Stanford, California • New Haven, Connecticut + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2026 · Synced Oct 27, 2026, 8:09 PM EDT
Completed Not applicable Interventional

Echo-guided Hemodynamic Management Strategy in Elderly Patients Undergoing Noncardiac Surgery

NCT01780727
View directory record Official record
Conditions
Ventricular Dysfunction, Left, Major Adverse Cardiac Events
Interventions
EGHEM
Procedure
Lead sponsor
University of Nebraska
Other
Eligibility
70 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 27, 2026, 8:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Acute Cardiovascular Effects of Marathon Running Using Magnetic Resonance Imaging

NCT00752752
View directory record Official record
Conditions
Myocardial Ischemia, Left Ventricular Systolic Dysfunction, Elevated Cardiac Enzymes
Interventions
Not listed
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 3, 2012 · Synced Oct 27, 2026, 8:09 PM EDT