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ClinicalTrials.gov public records Last synced Sep 23, 2026, 5:02 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Death, Sudden Clear all
Completed No phase listed Observational

Inflammation, Cardiac Sympathetic Innervation, and Arrhythmic Sudden Death

NCT01919983
View directory record Official record
Conditions
Ischemic Cardiomyopathy, Dilated Cardiomyopathy, Inflammation, Sudden Cardiac Death
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting Not applicable Interventional

Programmed Ventricular Stimulation to Risk Stratify for Early Cardioverter-Defibrillator (ICD) Implantation to Prevent Tachyarrhythmias Following Acute Myocardial Infarction (PROTECT-ICD)

NCT03588286
View directory record Official record
Conditions
Sudden Cardiac Death
Interventions
Electrophysiology study (EPS), Standard Care, Cardiac Magnetic Resonance (CMR)
Procedure · Other
Lead sponsor
Western Sydney Local Health District
Other
Eligibility
18 Years to 85 Years
Enrollment
1,058 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Sep 23, 2026, 5:02 PM EDT
Completed No phase listed Observational Results available

Carotid Structure and Function in MPS Syndromes: A Multicenter Study of the Lysosomal Disease Network

NCT01586871
View directory record Official record
Conditions
Mucopolysaccharidoses
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
3 Years to 18 Years
Enrollment
1,147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Orange, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 23, 2021 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 3 Interventional Results available

Effect of High Dose Fish Oil Supplementation After Recent Heart Attack Using Magnetic Resonance Imaging

NCT00729430
View directory record Official record
Conditions
Myocardial Infarction, Death, Sudden, Cardiac
Interventions
Omega-3 Fatty Acids (Fish Oil Supplements), Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years and older
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Sep 23, 2026, 5:02 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG Wearable

NCT06763549
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 Sep 23, 2026, 5:02 PM EDT
Completed No phase listed Observational

T Wave Alternans in Hemodialysis

NCT00296543
View directory record Official record
Conditions
End Stage Renal Disease, Coronary Heart Disease, Congestive Heart Failure
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 19, 2011 · Synced Sep 23, 2026, 5:02 PM EDT
Active, not recruiting No phase listed Observational

Neural Circulatory Control and SUDEP Risk.

NCT02813980
View directory record Official record
Conditions
Epilepsy, Seizures
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2031
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional Results available

Vest Prevention of Early Sudden Death Trial and VEST Registry

NCT01446965
View directory record Official record
Conditions
Myocardial Infarction, Ventricular Dysfunction, Sudden Death, Ventricular Tachycardia, Ventricular Fibrillation
Interventions
wearable defibrillator
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
2,348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
57
States / cities
Anchorage, Alaska • Fresno, California • Salinas, California + 47 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Phase 1 Interventional

Safety and Dose Ranging Study of Insulin Receptor MoAb-IDS Fusion Protein in Patients With Hunter Syndrome

NCT02262338
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
AGT-182
Drug
Lead sponsor
ArmaGen, Inc
Industry
Eligibility
18 Years and older · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
3
States / cities
Oakland, California • Orange, California • Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Sep 23, 2026, 5:02 PM EDT
Withdrawn No phase listed Observational

Mucopolysaccharidosis Type II Observational

NCT04591834
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
Observational
Other
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
1 Month to 8 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Oakland, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 9, 2022 · Synced Sep 23, 2026, 5:02 PM EDT
Active, not recruiting No phase listed Observational

Longitudinal Evaluation of Active-Duty Personnel with Accessory Pathways (LEAD-AP)

NCT06798961
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 Sep 23, 2026, 5:02 PM EDT
Terminated No phase listed Observational

Mucopolysaccharidosis (MPS) I, II, and VI Screening in a High-Risk Population With Previous Surgical Repair or Presence of Inguinal and/or Umbilical Hernia in Combination With Pediatric ENT Surgery (The HATT Project)

NCT02095015
View directory record Official record
Conditions
Mucopolysaccharidosis (MPS)
Interventions
Not listed
Lead sponsor
Shire
Industry
Eligibility
Up to 7 Years · Male only
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
Los Angeles, California • Jacksonville, Florida • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional Results available

Pan-Asia United States PrEvention of Sudden Cardiac Death Catheter Ablation Trial

NCT02848781
View directory record Official record
Conditions
Ventricular Tachycardia (VT)
Interventions
Implantable Cardioverter Defibrillator (ICD), Catheter Ablation
Device · Procedure
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 13, 2022 · Synced Sep 23, 2026, 5:02 PM EDT
Not listed No phase listed Observational

SCD-HeFT 10 Year Follow-up

NCT01058837
View directory record Official record
Conditions
Left Ventricular Systolic Dysfunction, Congestive Heart Failure, Ischemic and Non-ischemic Cardiomyopathy, Sudden Cardiac Death Primary Prevention
Interventions
Not listed
Lead sponsor
Seattle Institute for Cardiac Research
Other
Eligibility
18 Years to 90 Years
Enrollment
1,855 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bellevue, Washington
Source: ClinicalTrials.gov public record
Updated Feb 10, 2010 · Synced Sep 23, 2026, 5:02 PM EDT
Completed No phase listed Observational Results available

Educational Videos to Improve Patient Decision Making and Race Disparities in Implantable Cardioverter Defibrillator Use

NCT00918125
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
19 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Burlington, North Carolina • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 18, 2015 · Synced Sep 23, 2026, 5:02 PM EDT
Completed No phase listed Observational

Head-to-pelvis Computed Tomography Evaluation of Sudden Death Survivors

NCT03111043
View directory record Official record
Conditions
Sudden Death, Out-Of-Hospital Cardiac Arrest
Interventions
Head to pelvis CT scan
Diagnostic Test
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Sep 23, 2026, 5:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Morphological Predictors of Sudden Cardiac Death in Patients With Known Cardiomyopathies

NCT00312624
View directory record Official record
Conditions
Cardiomyopathy
Interventions
contrast-enhanced cardiac MRI
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 9, 2011 · Synced Sep 23, 2026, 5:02 PM EDT
Completed Not applicable Interventional

Improving Patient Communication About SUDEP

NCT03502759
View directory record Official record
Conditions
SUDEP, Epilepsy
Interventions
CHICA SUDEP module
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
0 Years to 21 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting No phase listed Observational

ASSURE WCD Clinical Evaluation - Post Approval Study (ACE-PAS)

NCT05135403
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
Defibrillation
Device
Lead sponsor
Kestra Medical Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5,179 participants
Timeline
2021 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting Not applicable Interventional

Evaluation of A Clinical Diagnostic Test for CRDS

NCT06188689
View directory record Official record
Conditions
Calcium Release Deficiency Syndrome (CRDS)
Interventions
Pacing
Diagnostic Test
Lead sponsor
Population Health Research Institute
Other
Eligibility
Not listed
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
4
States / cities
San Francisco, California • Boston, Massachusetts • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Get Social Media and Risk-Reduction Training

NCT06618586
View directory record Official record
Conditions
Infant Death, Sudden Infant Death
Interventions
TodaysBaby
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
Female only
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Sep 23, 2026, 5:02 PM EDT
Withdrawn No phase listed Observational

The Ability Of The PD2i Cardiac Analyzer To Predict Risk Of Ventricular Tachyarrhythmic Events

NCT00510731
View directory record Official record
Conditions
Tachycardia, Ventricular, Cardiac Sudden Death
Interventions
Not listed
Lead sponsor
Vicor Technologies, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
19
States / cities
Los Angeles, California • San Ramon, California • Walnut Creek, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2015 · Synced Sep 23, 2026, 5:02 PM EDT
Completed No phase listed Observational Results available

S-ICD® System Post Approval Study

NCT01736618
View directory record Official record
Conditions
Primary Prevention of Sudden Cardiac Arrest, Secondary Prevention of Sudden Cardiac Arrest
Interventions
S-ICD System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Not listed
Enrollment
1,766 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
87
States / cities
Huntsville, Alabama • Mesa, Arizona • Phoenix, Arizona + 72 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2024 · Synced Sep 23, 2026, 5:02 PM EDT
Recruiting Not applicable Interventional

Developing a Digital Aid to Improve ICD Decisions

NCT07084142
View directory record Official record
Conditions
Heart Failure and Reduced Ejection Fraction
Interventions
Online, patient-facing decision-making aid (app) with personalized risk information., Implantable Cardioverter Defibrillator (ICD), Online, patient-facing decision-making app without personalized risk information.
Other · Device
Lead sponsor
Stanford University
Other
Eligibility
60 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
San Francisco, California • Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 23, 2026, 5:02 PM EDT