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Showing 1–24 of 368 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Results available

Multicenter Automatic Defibrillator Implantation Trial With Subcutaneous Implantable Cardioverter Defibrillator

NCT02787785
View directory record Official record
Conditions
Tachycardia, Diabetes Mellitus, Cardiovascular Disease
Interventions
Subcutaneous Implantable Cardioverter Defibrillator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
65 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
36
States / cities
Huntsville, Alabama • Scottsdale, Arizona • Jonesboro, Arkansas + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Sep 5, 2026, 2:34 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Cor360: Clinician-Facing Broad-Spectrum Cardiac Phenotyping and Risk Assessment Using COR® Wearable ECG to Inform Outcomes-Oriented Care Pathways

NCT07775976
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 5, 2026, 2:34 AM EDT
Completed No phase listed Observational Results available

Physiologic Pacing Registry

NCT03719040
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 18, 2024 · Synced Sep 5, 2026, 2:34 AM EDT
Recruiting Not applicable Interventional

Ventricular Tachycardia Mechanisms

NCT05478213
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 5, 2026, 2:34 AM EDT
Completed Not applicable Interventional

MRI Assessment of Arrythmia Ablation Lesions

NCT02761343
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 20, 2020 · Synced Sep 5, 2026, 2:34 AM EDT
Completed Phase 4 Interventional Results available

Antiarrhythmic Effects of Spironolactone in Patients With ICDs

NCT04495712
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Sep 5, 2026, 2:34 AM EDT
Withdrawn Not applicable Interventional

Effect of Right Ventricular Lead Position on Defibrillation Threshold

NCT02844127
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 18, 2017 · Synced Sep 5, 2026, 2:34 AM EDT
Not listed No phase listed Observational

Gut Microbiome and Ventricular Arrhythmias

NCT04466072
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 17, 2022 · Synced Sep 5, 2026, 2:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating the Effects of Multiple Oral Doses of ERB-041 on Cardiac Repolarization in Healthy Subjects

NCT00316459
View directory record Official record
Conditions
Healthy, Long QT Syndrome
Interventions
ERB-041
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 12, 2007 · Synced Sep 5, 2026, 2:34 AM EDT
Active, not recruiting No phase listed Observational

Abbott Ventricular Tachycardia PAS

NCT05839873
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
FlexAbility SE Ablation Catheter
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
7 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
11
States / cities
Naples, Florida • Indianapolis, Indiana • Overland Park, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Sep 5, 2026, 2:34 AM EDT
Completed Not applicable Interventional

VIVO™ Accuracy Study

NCT03340142
View directory record Official record
Conditions
Premature Ventricular Contraction, Ventricular Tachycardia
Interventions
VIVO™
Device
Lead sponsor
Catheter Precision. Inc.
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Iowa City, Iowa • Baltimore, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Sep 5, 2026, 2:34 AM EDT
Completed Phase 4 Interventional Results available

Safety of Sugammadex for the Reversal of Neuromuscular Blockade in American Society of Anesthesiologists (ASA) Class 3 or 4 Participants (MK-8616-145)

NCT03346057
View directory record Official record
Conditions
Reversal of Neuromuscular Blockade
Interventions
Sugammadex 2 mg/kg, Sugammadex 4 mg/kg, Sugammadex 16 mg/kg, Neostigmine + Glycopyrrolate, Rocuronium, Vecuronium
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
20
States / cities
Birmingham, Alabama • Tucson, Arizona • Loma Linda, California + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Sep 5, 2026, 2:34 AM EDT
Terminated No phase listed Observational Results available

OMNI Study--Assessing Therapies in Medtronic Pacemaker, Defibrillator, and Cardiac Resynchronization Therapy Devices.

NCT00277524
View directory record Official record
Conditions
Tachycardia, Ventricular, Heart Failure, Congestive, Ventricular Fibrillation, Ventricular Dysfunction, Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
3,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
113
States / cities
Tucson, Arizona • Little Rock, Arkansas • Fresno, California + 107 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2013 · Synced Sep 5, 2026, 2:34 AM EDT
Completed No phase listed Observational

A Study to Determine the Feasibility of Wireless Electrocardiography

NCT02162394
View directory record Official record
Conditions
Atrial Fibrillation, Premature Atrial and Ventricular Beats, Conduction Defects, Normal Sinus Rhythm
Interventions
Observational ambulatory ECG monitoring
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 5, 2026, 2:34 AM EDT
Completed Not applicable Interventional

Optimal Coronary Sinus Lead Implantation Using Intracardiac Impedography and Magnetic Resonance Imaging

NCT01129635
View directory record Official record
Conditions
Heart Failure, Systolic, Left Bundle Branch Block
Interventions
Cardiac Resynchronization Therapy (CRT) implantation
Procedure
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2015 · Synced Sep 5, 2026, 2:34 AM EDT
Not listed No phase listed Observational

Outcomes of Functional Substrate Mapping of Ventricular Tachycardia

NCT05708131
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Not listed
Lead sponsor
Mid and South Essex NHS Foundation Trust
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Sep 5, 2026, 2:34 AM EDT
Recruiting Not applicable Interventional

Randomized Assessment of TcMS for VT Storm

NCT05599022
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Magnetic Stimulation
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 5, 2026, 2:34 AM EDT
Terminated No phase listed Observational

Stereotaxis Idiopathic Ventricular Tachycardia (VT) Study

NCT01401608
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
RF Ablation
Device
Lead sponsor
Stereotaxis
Industry
Eligibility
18 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 19, 2015 · Synced Sep 5, 2026, 2:34 AM EDT
Recruiting Not applicable Interventional

Ablation-Index Guided Scar-Mediated Ventricular Tachycardia Ablation in Patients With Ischemic Cardiomyopathy

NCT06138873
View directory record Official record
Conditions
Ventricular Tachycardia, Ischemic Cardiomyopathy
Interventions
Ablation-index guided ventricular tachycardia ablation, Ventricular tachycardia ablation with no AI-guidance
Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
5
States / cities
Chicago, Illinois • Boston, Massachusetts • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 5, 2026, 2:34 AM EDT
Completed Not applicable Interventional

Functional Outcomes in CondUction System Pacing and Right Ventricular Synchrony (FOCUS-Right)

NCT06601322
View directory record Official record
Conditions
Left Branch Bundle Block, RV - Right Ventricular Abnormality
Interventions
Pacemaker Interrogation and Electrocardiogram (ECG):, Cardiopulmonary Exercise Test (CPET) and Exercise Stress Cardiac Magnetic Resonance (ExeCMR, Continuous pacemaker telemetry (CPT)
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 5, 2026, 2:34 AM EDT
Withdrawn Not applicable Interventional

TcMS to Treat Ventricular Tachycardia

NCT05016921
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
TcMS
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Sep 5, 2026, 2:34 AM EDT
Not listed No phase listed Observational

Genetics of QT Prolongation With Antiarrhythmics

NCT02439658
View directory record Official record
Conditions
Long QT Syndrome, Drug Toxicity
Interventions
Dofetilide and/or sotalol
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
5
States / cities
Aurora, Colorado • Boston, Massachusetts • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Sep 5, 2026, 2:34 AM EDT
Enrolling by invitation No phase listed Observational

Virtual Reality in Electrophysiology Laboratory (EP)

NCT04893278
View directory record Official record
Conditions
PVC - Premature Ventricular Complex, Ablation
Interventions
Virtual reality
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 5, 2026, 2:34 AM EDT
Completed No phase listed Observational

Non-Invasive 3D Mapping for Identifying Origin and Preferential Propagation of Ventricular Arrhythmias

NCT03831516
View directory record Official record
Conditions
Premature Ventricular Complex, Ventricular Arrythmia
Interventions
Non Invasive Electroanatomical Mapping
Diagnostic Test
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Sep 5, 2026, 2:34 AM EDT