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ClinicalTrials.gov public records Last synced May 21, 2026, 11:09 PM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cardiac Death, Sudden Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sudden Cardiac Death, Sudden Cardiac Arrest, Cardiovascular Disease
Interventions
Sunflower Oil Softgels, EPA softgels, Sunflower Oil Food, SDA soybean Oil Food
Dietary Supplement · Other
Lead sponsor
Solae, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Glen Ellyn, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 12, 2012 · Synced May 21, 2026, 11:09 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Sudden Cardiac Death, Heart Failure
Interventions
Educational Video1, Educational Video 2, Usual Care 3
Other
Lead sponsor
Duke University
Other
Eligibility
21 Years and older
Enrollment
343 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
14
States / cities
San Francisco, California • Washington D.C., District of Columbia • Atlanta, Georgia + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced May 21, 2026, 11:09 PM EDT
Recruiting Phase 4 Interventional
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction (HFrEF), Sudden Cardiac Death, Ventricular Arrhythmia, Implantable Cardioverter Defibrillator (ICD), Beta-blocker Therapy, Cardiomyopathy
Interventions
Metoprolol Succinate, Carvedilol
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
13
States / cities
Scottsdale, Arizona • Rome, Georgia • Shawnee Mission, Kansas + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy (HCM)
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Up to 21 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 11:09 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Syncope
Interventions
Short Term Wearable Defibrillator
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
6
States / cities
Danbury, Connecticut • Jacksonville, Florida • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Sarcoidosis of the Heart, Cardiomyopathy
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 4, 2023 · Synced May 21, 2026, 11:09 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Cardiac Death, Cardiac Death, Sudden, Wolf Parkinson White Syndrome
Interventions
Ablation, Standard of care without ablation
Procedure
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 40 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced May 21, 2026, 11:09 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Ischemic Cardiomyopathy, Nonischemic Cardiomyopathy, Heart Failure
Interventions
Ranolazine
Drug
Lead sponsor
University of Rochester
Other
Eligibility
21 Years and older
Enrollment
1,012 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
83
States / cities
Tucson, Arizona • Little Rock, Arkansas • East Palo Alto, California + 70 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2018 · Synced May 21, 2026, 11:09 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Atrial Fibrillation, Supraventricular Arrhythmia, Ventricular Arrhythmias and Cardiac Arrest, Chronic Lymphocytic Leukemia, Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
Interventions
Medtronic LINQ-2 Insertable Cardiac Monitor (ILR)
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced May 21, 2026, 11:09 PM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Heart Arrest, Death, Sudden, Cardiac, Cardiopulmonary Resuscitation, Cardiac Arrest
Interventions
Use of an impedance threshold device (ITD) during the performance of active compression decompression CPR (ACD-CPR), Standard cardiopulmonary resuscitation (S-CPR)
Device · Procedure
Lead sponsor
Advanced Circulatory Systems
Industry
Eligibility
18 Years and older
Enrollment
1,653 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
7
States / cities
Indianapolis, Indiana • Ann Arbor, Michigan • Royal Oak, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced May 21, 2026, 11:09 PM EDT
Enrolling by invitation Not applicable Interventional
View directory record Official record
Conditions
Ventricular Tachycardia, Sudden Cardiac Death
Interventions
Functional Substrate-Only Mapping without VT Induction, Standard-of-Care Mapping/Imaging
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 90 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Atrial Fibrillation, Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Medtronic Corporate Technologies and New Ventures
Industry
Eligibility
40 Years and older
Enrollment
1,023 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2009 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Acute Myocardial Infarction (AMI)
Interventions
Not listed
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 30, 2018 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Cardiovascular Diseases, Coronary Disease, Heart Diseases, Myocardial Infarction, Death, Sudden, Cardiac, Ventricular Arrhythmia
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
715 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1988 – 1993
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2015 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Sudden Cardiac Death
Interventions
Invasive Electrophysiology Study
Procedure
Lead sponsor
Western University, Canada
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
11
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Ventricular Tachycardia, Cardiovascular Diseases, Arrythmia, CVD
Interventions
Not listed
Lead sponsor
CardioDx
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 21, 2018 · Synced May 21, 2026, 11:09 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
Machine learning-guided cardiac arrest prediction device
Device
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced May 21, 2026, 11:09 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cardiopulmonary Failure, Myocardial Infarction (MI), Heart Decompensation, Heart Failure, HFrEF - Heart Failure with Reduced Ejection Fraction, HFpEF - Heart Failure with Preserved Ejection Fraction, Syncopation, Syncope, Ischemic Cardiovascular Disease, STEMI, STEMI (ST Elevation MI), Atrial Fibrillation (AF), Atrial Enlargement, LVF, Conduction Defect, Conduction Abnormalities, Heart Block, Valvular Diseases, Cardiac Output, Low, Stroke Volume, Stroke Volume Variation, Hyperkalemia, Hypercalcemia, Hypocalcemia, LV Dysfunction, QT Prolongation, Sudden Cardiac Death Due to Cardiac Arrhythmia, Ventricular Arrhythmia, Pacing, Pacing Induced Dyssynchrony, Silent Ischemia, Pericarditis, Sleep Related Breathing Disorder, RSA, Apnea, Obstructive, Cardiac Output Measurement, Respiratory Impedance, CRT And/or ICD, Infarction, Cardiomyopathies, Primary, Hypertrophy
Interventions
SUBPROTOCOL A, SUBPROTOCOL B, SUBPROTOCOL C, SUBPROTOCOL D, SUBPROTOCOL E, SUBPROTOCOL F, SUBPROTOCOL G, SUBPROTOCOL H
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
15,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Melbourne, Florida
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Heart Arrest, Cardiac Arrest, Cardiopulmonary Arrest, Out of Hospital Cardiac Arrest, Sudden Cardiac Death
Interventions
Pre-Arrival Instructions
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
21 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced May 21, 2026, 11:09 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
HeartStart HS1
Device
Lead sponsor
Philips Clinical & Medical Affairs Global
Industry
Eligibility
Not listed
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Sudden Cardiac Death, Sudden Cardiac Arrest, Heart Failure, Heart Failure Low Output
Interventions
Wearable Cardioverter Defibrillator
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
39
States / cities
Birmingham, Alabama • West Hills, California • Fernandina Beach, Florida + 34 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2025 · Synced May 21, 2026, 11:09 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Death, Sudden, Cardiac
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
14,862 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2030
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 4, 2023 · Synced May 21, 2026, 11:09 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Atrial Fibrillation, Cerebrovascular Accident, Death, Sudden
Interventions
Amiodarone, Sotalol
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
706 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
28
States / cities
Tucson, Arizona • No. Little Rock, Arkansas • Fresno, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2011 · Synced May 21, 2026, 11:09 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Sickle Cell Anemia, Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 11:09 PM EDT