Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 7, 2026, 12:29 AM EDT

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

Showing 1–24 of 1,251 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Mitral Valve Failure
Interventions
Edwards SAPIEN 3 transcatheter heart valve, ASHI INTECC Astato XS 20
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Detroit, Michigan + 3 more
Conditions
Heart Failure
Interventions
Pacing Lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
441 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
20
States / cities
Long Beach, California • Palo Alto, California • Newark, Delaware + 17 more
Conditions
Congestive Heart Failure
Interventions
Corox OTW Steroid Left Ventricular Lead
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Lake Oswego, Oregon
Conditions
Left Ventricular Systolic Dysfunction, Heart Failure (Pediatric)
Interventions
Finerenone (Kerendia, BAY94-8862)
Drug
Lead sponsor
Bayer
Industry
Eligibility
Up to 18 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
22
States / cities
Aurora, Colorado • Wilmington, Delaware • Gainesville, Florida + 18 more
Conditions
Left Ventricular Dysfunction
Interventions
Adult stem cells, Placebo
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
5
States / cities
Gainesville, Florida • Minneapolis, Minnesota • Cleveland, Ohio + 2 more
Completed Phase 3 Interventional Results available

Fontan Udenafil Exercise Longitudinal Assessment Trial

NCT02741115
Conditions
Single Ventricle Heart Disease
Interventions
Udenafil, Placebo
Drug
Lead sponsor
Mezzion Pharma Co. Ltd
Industry
Eligibility
12 Years to 18 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
26
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 22 more
Conditions
Cardiovascular Diseases, Cardiovascular Diseases Risk, Cardiac Conduction System Disease, Bundle/Fascicular Abnormalities, His-Purkinje Disease, Arrhythmias, Cardiac, Rhythm Phenotypes, Myocardial Ischemia, Syncope, Syncope Recurrent, Syncope and Collapse, Seizure Disorder, Sleep Apnea Syndrome, Obstructive, Decision Support Systems, Clinical, Heart Failure - NYHA II - IV, Heart Failure (for Example, Fluid Overload), HRV, Cardiopulmonary, Sudden Cardiac Arrest, Cardiac Arrest (CA), Ventricular Arrhythmias and Cardiac Arrest, Ventricular Fibrillation, QT Dispersion, Atrial Cardiomyopathy
Interventions
COR Wearable ECG Monitoring, Cor360 Clinician-Facing Decision-Aid Reporting
Device · Other
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
2
States / cities
Pasadena, California • Nashville, Tennessee
Conditions
Double Outlet Right Ventricle, Transposition of the Great Arteries, Truncus Arteriosus, Congenitally Corrected Transposition of the Great Arteries
Interventions
3D Printed Heart Model
Diagnostic Test
Lead sponsor
Children's National Research Institute
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
3
States / cities
Phoenix, Arizona • Washington D.C., District of Columbia • Philadelphia, Pennsylvania
Conditions
Brain Tumor Recurrent
Interventions
Methotrexate, Etoposide, Ommaya Reservoir
Drug · Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
1 Year to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Houston, Texas
Conditions
Childhood Atypical Teratoid/Rhabdoid Tumor, Childhood Central Nervous System Germ Cell Tumor, Childhood Cerebral Anaplastic Astrocytoma, Childhood Cerebral Astrocytoma, Childhood Choroid Plexus Neoplasm, Childhood Craniopharyngioma, Childhood Grade I Meningioma, Childhood Grade II Meningioma, Childhood Grade III Meningioma, Childhood Infratentorial Ependymoma, Childhood Oligodendroglioma, Childhood Supratentorial Ependymoma, Ependymoma, Newly Diagnosed Childhood Ependymoma, Recurrent Childhood Cerebellar Astrocytoma, Recurrent Childhood Cerebral Astrocytoma, Recurrent Childhood Ependymoma, Recurrent Childhood Medulloblastoma, Recurrent Childhood Supratentorial Embryonal Tumor, Not Otherwise Specified, Recurrent Childhood Visual Pathway Glioma
Interventions
Cytology Specimen Collection Procedure
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 18 Years
Enrollment
1,258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2018
U.S. locations
163
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 123 more
Conditions
Heart Failure
Interventions
Implantable Cardioverter-Defibrillator (subject's pre-existing ICD)
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Terminated Not applicable Interventional Results available

Medtronic Evolut™ EXPAND TAVR I Feasibility Study

NCT04639258
Conditions
Aortic Valve Stenosis
Interventions
Medtronic Evolut™ PRO+ System
Device
Lead sponsor
Medtronic Cardiovascular
Industry
Eligibility
65 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Thousand Oaks, California • Manhasset, New York • Wormleysburg, Pennsylvania + 1 more
Conditions
Heart Failure
Interventions
Glial growth factor 2/ Neuregulin 1β3, Placebo
Drug · Other
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Atlanta, Georgia • Nashville, Tennessee
Conditions
Aortic Valve Stenosis, Aortic Valve Regurgitation, Prosthesis Failure
Interventions
Doppler-echocardiography, Invasive hemodynamic measurements
Procedure
Lead sponsor
Institut universitaire de cardiologie et de pneumologie de Québec, University Laval
Other
Eligibility
18 Years and older
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
6
States / cities
San Francisco, California • Hollywood, Florida • Royal Oak, Michigan + 3 more
Completed No phase listed Observational Results available

Physiologic Pacing Registry

NCT03719040
Conditions
Bradycardia, Sinus Node Dysfunction, Heart Block, Syncope, Cardiomyopathies, Ventricular Tachycardia, Heart Failure
Interventions
Physiologic pacing device implant
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
870 participants
Timeline
2018 – 2021
U.S. locations
26
States / cities
Huntsville, Alabama • Burlingame, California • San Diego, California + 22 more
Conditions
Aortic Stenosis
Interventions
18F-NaF
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Recruiting Not applicable Interventional

Ventricular Tachycardia Mechanisms

NCT05478213
Conditions
Ventricular Tachycardia
Interventions
Monophasic Action Potential (MAP) Catheter
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Atlanta, Georgia
Conditions
Hypertension, Left Ventricular Hypertrophy
Interventions
Eplerenone, Chlorthalidone, Potassium
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Heart Failure
Interventions
Apixaban, Warfarin, LVAD implant
Drug · Device
Lead sponsor
Palak Shah
Other
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Falls Church, Virginia
Conditions
Ventricular Tachycardia, Cardiac Arrhythmia
Interventions
MRI scan
Other
Lead sponsor
Children's National Research Institute
Other
Eligibility
Not listed
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Current or Recent History of Atrial Fibrillation
Interventions
bucindolol hydrochloride, metoprolol succinate, Placebo oral capsule
Drug · Other
Lead sponsor
ARCA Biopharma, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
48
States / cities
Anchorage, Alaska • Phoenix, Arizona • East Palo Alto, California + 43 more
Conditions
Ventricular Arrhythmias
Interventions
spironolactone, placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Ventricular Tachycardia, Ventricular Fibrillation
Interventions
Implantable Cardioverter Defibrillator (ICD)
Procedure
Lead sponsor
OhioHealth
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Gut Microbiome
Interventions
Stool test for microbial analysis
Diagnostic Test
Lead sponsor
North Florida Foundation for Research and Education
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Gainesville, Florida