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Showing 1–24 of 146 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ventricular Tachyarrhythmias Clear all
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 Jul 23, 2026, 2:11 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 Jul 23, 2026, 2:11 AM EDT
Completed No phase listed Observational

Circulating Biomarkers and Ventricular Tachyarrhythmia

NCT01892462
View directory record Official record
Conditions
Cardiomyopathy, Ventricular Tachycardia, Ventricular Fibrillation
Interventions
Not listed
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Jul 23, 2026, 2:11 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

MANAGE-VT Registry - MANAGEment of Ventricular Tachycardia Outcomes Registry

NCT06455488
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Ventricular Tachycardia Ablation, ICD Implant, Antiarrhythmic drug, EKG, Cardioversion, Echocardiogram
Procedure · Device · Drug + 1 more
Lead sponsor
CorVita Science Foundation
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 11, 2024 · Synced Jul 23, 2026, 2:11 AM EDT
Completed Phase 3 Interventional

Ablation of Clinical Ventricular Tachycardia Versus Addition of Substrate Ablation on the Long Term Success Rate of VT Ablation

NCT01045668
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Radiofrequency Catheter Ablation (RFCA)
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2014 · Synced Jul 23, 2026, 2:11 AM EDT
Completed No phase listed Observational

Study of the Implantable Cardioverter Defibrillator (ICD) Intracardiac Electrograms

NCT00916435
View directory record Official record
Conditions
Congestive Heart Failure, Sudden Cardiac Death, Arrhythmia, Cardiomyopathies
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 20, 2015 · Synced Jul 23, 2026, 2:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Surpoint Algorithm for Improved Guidance of Ablation for Ventricular Tachycardia

NCT05618717
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Radiofrequency Ablation
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
19 Years to 80 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 4, 2023 · Synced Jul 23, 2026, 2:11 AM EDT
Completed Phase 4 Interventional Results available

Remifentanil Intravenous Patient Controlled Analgesia (IVPCA) for Ablation of Idiopathic Ventricular Tachycardia

NCT01901575
View directory record Official record
Conditions
Tachycardia, Ventricular
Interventions
Remifentanil
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 1, 2018 · Synced Jul 23, 2026, 2:11 AM EDT
Not listed Phase 3 Interventional

Cardiac Sympathetic Denervation for Prevention of Ventricular Tachyarrhythmias

NCT01013714
View directory record Official record
Conditions
Sudden Cardiac Death, Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy
Interventions
Cardiac Sympathetic Denervation (CSD), Routine Care
Procedure · Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
3
States / cities
Los Angeles, California • Portland, Oregon • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Jul 23, 2026, 2:11 AM EDT
Completed No phase listed Observational

Extended ECG Monitoring in HCM Patients

NCT04056715
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy, Nonsustained Ventricular Tachycardia, Ventricular Tachycardia, Atrial Fibrillation, Arrhythmia
Interventions
Zio XT
Device
Lead sponsor
iRhythm Technologies, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Jul 23, 2026, 2:11 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Biospecimen Repository for Cardiac Arrhythmias at the Cleveland Clinic

NCT00921986
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2035
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Jul 23, 2026, 2:11 AM EDT
Completed No phase listed Observational

First Arrhythmia Collection of Transvenous and Simultaneous Subcutaneous Implantable Defibrillator Data

NCT01161589
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
3
States / cities
Chicago, Illinois • Charleston, South Carolina • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Jul 23, 2026, 2:11 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Phase I/II Study of EP-guided Noninvasive Cardiac Radioablation for Treatment of Ventricular Tachycardia

NCT02919618
View directory record Official record
Conditions
Ventricular Tachycardia, Cardiomyopathy, Premature Ventricular Contractions
Interventions
stereotactic body radiotherapy (SBRT)
Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Jul 23, 2026, 2:11 AM EDT
Terminated Not applicable Interventional Results available

Pilot Study of Catheter Ablation for Ventricular Tachycardia in Patients With an Implantable Cardioverter Defibrillator

NCT01576042
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
amiodarone, sotalol, Biosense Webster's NAVI-STAR Thermo-Cool
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
Baltimore, Maryland • Durham, North Carolina • Columbus, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2014 · Synced Jul 23, 2026, 2:11 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 Jul 23, 2026, 2:11 AM EDT
Completed No phase listed Observational

Genetic Substudy of the Alternans Before Cardioverter Defibrillator (ABCD) Trial

NCT00583297
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 Jul 23, 2026, 2:11 AM EDT
Completed No phase listed Observational Results available

Extracellular Matrix Marker of Arrhythmia Risk (EMMA)

NCT00376532
View directory record Official record
Conditions
Myocardiopathies, Ischemia, Myocardial, Arrythmia, Death, Sudden, Cardiac
Interventions
Not listed
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2014 · Synced Jul 23, 2026, 2:11 AM EDT
Withdrawn Not applicable Interventional

Clonidine to Prevent Implantable Cardiovertor Defibrillator Firing

NCT00585871
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
clonidine, metoprolol
Drug
Lead sponsor
James Martins
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Jul 23, 2026, 2:11 AM EDT
Terminated Not applicable Interventional Results available

Stepwise Approach To sUbstrate Modification for Ventricular Tachycardia

NCT01546207
View directory record Official record
Conditions
Ventricular Tachycardia, Catheter Ablation, Tachycardia, Ventricular
Interventions
catheter-based ablation
Procedure
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years to 90 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
6
States / cities
Birmingham, Alabama • Maywood, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Jul 23, 2026, 2:11 AM EDT
Completed Not applicable Interventional Results available

Clinical Study to Evaluate the Catheter Robotics Amigo for Performing Right-Sided Electrophysiology Mapping Studies

NCT01139814
View directory record Official record
Conditions
Atrial Flutter, Ventricular Tachycardia
Interventions
Amigo catheter robot
Device
Lead sponsor
Catheter Robotics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
11
States / cities
Newport Beach, California • Redwood City, California • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 10, 2013 · Synced Jul 23, 2026, 2:11 AM EDT
Recruiting No phase listed Observational

Defining the Risk of Ventricular Tachycardia in Genetic Cardiomyopathies

NCT06575881
View directory record Official record
Conditions
Atrial Fibrillation, Ventricular Tachycardia, Premature Ventricular Contraction
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 23, 2026, 2:11 AM EDT
Completed No phase listed Observational

Brain Perfusion and Hemodynamic Stability in Patients Undergoing Radiofrequency Ablation of Ventricular Tachycardia

NCT01695551
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Data Collection Forms
Other
Lead sponsor
Dhanunjaya Lakkireddy, MD, FACC
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 8, 2017 · Synced Jul 23, 2026, 2:11 AM EDT
Terminated Phase 2 Interventional

Effectiveness of CRD-4730 in Participants With Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)

NCT06005428
View directory record Official record
Conditions
CPVT1, Heart Defects, Congenital, Heart Diseases, Ventricular Tachycardia
Interventions
CRD-4730, Placebo
Drug
Lead sponsor
Cardurion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 99 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
3
States / cities
Cincinnati, Ohio • Cleveland, Ohio • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Jul 23, 2026, 2:11 AM EDT
Terminated Phase 3 Interventional Results available

Catheter Ablation Versus Amiodarone for Shock Prophylaxis in Defibrillator Patients With Ventricular Tachycardia

NCT01097330
View directory record Official record
Conditions
Defibrillators, Implantable, Tachycardia, Ventricular
Interventions
Ablation, Amiodarone
Procedure · Drug
Lead sponsor
Population Health Research Institute
Other
Eligibility
19 Years to 84 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
5
States / cities
Chicago, Illinois • Rochester, Minnesota • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Jul 23, 2026, 2:11 AM EDT