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

Precision Event Monitoring for Patients With Heart Failure Using HeartLogic

NCT03579641
View directory record Official record
Conditions
Heart Failure, Defibrillators, Implantable, Monitoring, Physiologic, Cardiac Resynchronization Therapy, Cardiovascular Disease, Heart Disease
Interventions
HeartLogic Sensors
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
56
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2022 · Synced Sep 26, 2026, 2:27 AM EDT
Completed Not applicable Interventional

Clinical Investigation of the Medtronic EnTrust™ Implantable Cardioverter Defibrillator (ICD), Model D153ATG

NCT00273195
View directory record Official record
Conditions
Ventricular Arrhythmias
Interventions
Implantable Cardioverter Defibrillator
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
24
States / cities
Little Rock, Arkansas • Glendale, California • Inglewood, California + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2006 · Synced Sep 26, 2026, 2:27 AM EDT
Recruiting No phase listed Observational

Cardiovascular Multimodality Imaging Study

NCT06610019
View directory record Official record
Conditions
Non-ischemic Cardiomyopathy, Cardiomyopathies, Hypertrophic Cardiomyopathy, Right Ventricular Arrhythmogenic Cardiomyopathy, Cardiac Amyloidosis, Anderson Fabry Disease, Sarcoidosis, Cancer Therapy-related Cardiac Dysfunction, Ventricular Arrythmia, Heart Failure
Interventions
Not listed
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2031
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 26, 2026, 2:27 AM EDT
Completed Not applicable Interventional Results available

Intramural Needle Ablation for the Treatment of Refractory Ventricular Arrhythmias

NCT03204981
View directory record Official record
Conditions
Ventricular Arrythmia
Interventions
Intramural Needle Ablation, Ablation
Device · Procedure
Lead sponsor
Vivek Reddy
Other
Eligibility
15 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 11, 2021 · Synced Sep 26, 2026, 2:27 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Gene Therapy for ACM Due to a PKP2 Pathogenic Variant

NCT06109181
View directory record Official record
Conditions
Arrhythmogenic Cardiomyopathy, PKP2-ACM, PKP2-ARVC
Interventions
LX2020
Genetic
Lead sponsor
Lexeo Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
5
States / cities
Stanford, California • Baltimore, Maryland • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Sep 26, 2026, 2:27 AM EDT
Completed Not applicable Interventional Results available

Micra Atrial TRacking Using A Ventricular AccELerometer 2

NCT03752151
View directory record Official record
Conditions
Atrioventricular Conduction Block
Interventions
MARVEL 2 Algorithm Monitor Mode then Adaptive Mode
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
5
States / cities
Jacksonville, Florida • Miami, Florida • Manhasset, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced Sep 26, 2026, 2:27 AM EDT
Terminated Phase 3 Interventional Results available

Safety Study of Intranasal Etripamil for the Termination of Spontaneous Episodes of Paroxysmal Supraventricular Tachycardia (PSVT). NODE-302

NCT03635996
View directory record Official record
Conditions
Paroxysmal Supraventricular Tachycardia
Interventions
Etripamil NS 70 mg, Aptar Pharma Nasal Spray Bidose System
Drug · Device
Lead sponsor
Milestone Pharmaceuticals Inc.
Other
Eligibility
18 Years and older
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
22
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Alamitos, California + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Sep 26, 2026, 2:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Low Ejection Fraction in Single Lead ECG- Ochsner

NCT05010642
View directory record Official record
Conditions
Left Ventricular Dysfunction, Ventricular Dysfunction, Heart Diseases, Cardiovascular Diseases
Interventions
Use of Eko DUO electronic Stethoscope
Device
Lead sponsor
Eko Devices, Inc.
Industry
Eligibility
18 Years and older
Enrollment
307 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Sep 26, 2026, 2:27 AM EDT
Not listed Not applicable Interventional

Effect of taVNS on Heart Rate in Persistent Atrial Fibrillation

NCT05944575
View directory record Official record
Conditions
Atrial Fibrillation, Persistent
Interventions
active taVNS, sham-taVNS
Device
Lead sponsor
Burrell College of Health Sciences
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Las Cruces, New Mexico
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Sep 26, 2026, 2:27 AM EDT
Terminated No phase listed Observational

LifeVest Post-CABG Registry

NCT01448005
View directory record Official record
Conditions
Sudden Cardiac Death, Ventricular Fibrillation, Ventricular Tachycardia, Ventricular Dysfunction, Myocardial Ischemia
Interventions
wearable defibrillator (LifeVest)
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
5
States / cities
Sacramento, California • Atlanta, Georgia • Takoma Park, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2017 · Synced Sep 26, 2026, 2:27 AM EDT
Completed No phase listed Observational

Vfib by ECG or Echo During Cardiac Arrest

NCT04906252
View directory record Official record
Conditions
Cardiac Arrest
Interventions
Echocardiography, Electrocardiogram (ECG)
Diagnostic Test
Lead sponsor
Romolo Gaspari
Other
Eligibility
18 Years and older
Enrollment
813 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
Hartford, Connecticut • Lebanon, New Hampshire • Stony Brook, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Sep 26, 2026, 2:27 AM EDT
Completed Phase 4 Interventional

ULTRA Study for Pacemaker Patients

NCT00133289
View directory record Official record
Conditions
Bradycardia
Interventions
Pacemaker with Automatic Capture
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
950 participants
Timeline
2005 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2007 · Synced Sep 26, 2026, 2:27 AM EDT
Completed Phase 3 Interventional Results available

Ranolazine Implantable Cardioverter-Defibrillator Trial

NCT01215253
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 Sep 26, 2026, 2:27 AM EDT
Completed Not applicable Interventional

SmartCPR Trial: An Analysis of a Waveform-Based Automated External Defibrillation (AED) Algorithm on Survival From Out-of-Hospital Ventricular Fibrillation

NCT00535106
View directory record Official record
Conditions
Ventricular Fibrillation, Cardiac Arrest
Interventions
Automated external defibrillator (Philips FR2+ AED), SmartCPR, Delayed defibrillation
Device · Other
Lead sponsor
New York City Fire Department
Government
Eligibility
Not listed
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 18, 2009 · Synced Sep 26, 2026, 2:27 AM EDT
Terminated Phase 2 Interventional

Study Evaluating GAP-486 in Non-sustained Ventricular Tachycardia

NCT00124891
View directory record Official record
Conditions
Arrhythmias
Interventions
Double-blind investigational anti-arrhythmic, GAP-486
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
6
States / cities
Merced, California • Melbourne, Florida • Orlando, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Sep 26, 2026, 2:27 AM EDT
Completed No phase listed Observational

Heart Rate Variability and Sudden Cardiac Death

NCT00005235
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 Sep 26, 2026, 2:27 AM EDT
Not listed Phase 4 Interventional

Prospective Assessment of Premature Ventricular Contractions Suppression in Cardiomyopathy(PAPS)

NCT03228823
View directory record Official record
Conditions
Ventricular Premature Beats, Contractions, or Systoles, Cardiomyopathies
Interventions
Radiofrequency ablation, Amiodarone (Antiarrhythmic drug)
Procedure · Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
10
States / cities
Los Angeles, California • San Francisco, California • Tampa, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Sep 26, 2026, 2:27 AM EDT
Completed Not applicable Interventional Results available

Atropine in Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)

NCT02927223
View directory record Official record
Conditions
Catecholaminergic Polymorphic Ventricular Tachycardia
Interventions
Atropine, Exercise treadmill test
Drug · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
6 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Sep 26, 2026, 2:27 AM EDT
Withdrawn Not applicable Interventional

Ventricular Arrhythmia Ablation With the Use of Non-Invasive ECG Imaging Technology

NCT04219501
View directory record Official record
Conditions
Premature Ventricular Contraction, Ventricular Tachycardia
Interventions
VIVO
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 7, 2021 · Synced Sep 26, 2026, 2:27 AM EDT
Completed Not applicable Interventional

Application of High Power Radio Frequency Energy in the Ventricular Tachycardia Treatment

NCT04657705
View directory record Official record
Conditions
Ventricular Tachycardia, Heart Diseases
Interventions
High power ablation, Standard ablation power
Procedure
Lead sponsor
Federal Research Clinical Center of Federal Medical & Biological Agency, Russia
Government
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2023 · Synced Sep 26, 2026, 2:27 AM EDT
Completed Not applicable Interventional Results available

Percutaneous Hemodynamic Support With Impella 2.5 During Scar-related Ventricular Tachycardia Ablation

NCT01294267
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Circulatory Support System
Device
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Sep 26, 2026, 2:27 AM EDT
Not listed Not applicable Interventional

Right Ventricular Defibrillation Lead Select Site Study

NCT00385749
View directory record Official record
Conditions
Heart Failure, Congestive, Tachycardia, Ventricular
Interventions
RV apical vs RV septal defibrillation threshold testing
Device
Lead sponsor
Associates in Cardiology, PA
Other
Eligibility
21 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 31, 2007 · Synced Sep 26, 2026, 2:27 AM EDT
Completed No phase listed Observational

Conduction System Pacing International Registry (CONSPIRE)

NCT04831125
View directory record Official record
Conditions
Bradyarrhythmia, Heart Failure
Interventions
Data collection
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
383 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
5
States / cities
Tucson, Arizona • Chicago, Illinois • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Sep 26, 2026, 2:27 AM EDT
Terminated No phase listed Observational

Activation Timing and Atrial Fibrillation

NCT02063191
View directory record Official record
Conditions
Arrhythmias, Cardiac, Atrial Fibrillation, Bundle Branch Block
Interventions
Not listed
Lead sponsor
Essentia Health
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 3, 2014 · Synced Sep 26, 2026, 2:27 AM EDT