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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ventricular Tachycardias Clear all
Withdrawn Early Phase 1 Interventional

Comparison of Ventricular Tachycardia Ablation Strategies in Patients With Ischemic Cardiomyopathy

NCT04512911
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Endocardial ablation, Endocardial- Epicardial ablation, Antiarrhythmic medications
Procedure · Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Jul 21, 2026, 4:00 PM 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 Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional

FLExAbility Sensor Enabled Substrate Targeted Ablation for the Reduction of VT Study

NCT03490201
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Market Approved RF Ablation System, FlexAbility SE Ablation Catheter
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
592 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
23
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Results available

Imaging With a Radio Tracer to Guide VT Ablations

NCT01250912
View directory record Official record
Conditions
Ventricular Tachycardia, Arrhythmia
Interventions
123I-metaiodobenzylguanidine
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Not applicable Interventional Results available

Substrate Targeted Ablation Using the FlexAbility™ Ablation Catheter System for the Reduction of Ventricular Tachycardia

NCT02130765
View directory record Official record
Conditions
Monomorphic Ventricular Tachycardia
Interventions
Cardiac catheter ablation with ICD/CRT-D
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 75 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
30
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 3 Interventional

Etripamil Nasal Spray in Patients With Paroxysmal Supraventricular Tachycardia

NCT04952610
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
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
17
States / cities
Little Rock, Arkansas • Vista, California • West Hills, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Not listed No phase listed Observational

South Asian Arrhythmogenic Cardiomyopathy Registry

NCT04895540
View directory record Official record
Conditions
Arrhythmogenic Right Ventricular Cardiomyopathy, Arrhythmogenic Right Ventricular Dysplasia, Arrhythmogenic Ventricular Cardiomyopathy, Arrhythmogenic Cardiomyopathy, Ventricular Tachycardia, Sudden Cardiac Death
Interventions
ECG, Echocardiography, Cardiac MRI, Ambulatory ECG recording, Cardiac EP study, All study subjects will undergo sample collection for genetic testing.
Diagnostic Test · Genetic
Lead sponsor
Sheri Kashmir Institute of Medical Sciences
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 3 Interventional Results available

Vein of Marshall Ethanol Infusion for Persistent Atrial Fibrillation

NCT01898221
View directory record Official record
Conditions
Ventricular Tachycardia, Atrial Fibrillation
Interventions
Ethanol, Ablation
Drug · Procedure
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years to 85 Years
Enrollment
343 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
12
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

AI-guided Prediction and Treatment of Cardiac Arrest

NCT07452016
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 Jul 21, 2026, 4:00 PM 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 21, 2026, 4:00 PM EDT
Terminated Not applicable Interventional Results available

Therapy Cool Path Ablate VT

NCT00925522
View directory record Official record
Conditions
Ischemic Ventricular Tachycardia
Interventions
Therapy Cool Path Duo Cardiac Ablation System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
5
States / cities
Birmingham, Alabama • Maywood, Illinois • Indianapolis, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Jul 21, 2026, 4:00 PM 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 Jul 21, 2026, 4:00 PM EDT
Terminated Early Phase 1 Interventional Results available

Study of Cardiac PET/CT Imaging to Guide Ablation Treatment of Ventricular Tachycardia

NCT02962076
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
[C-11] Meta-hydroxyephedrine radioactive tracer (MHED)
Drug
Lead sponsor
Khaled Awad, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 23, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Withdrawn Not applicable Interventional

Noninvasive Cardiac Radioablation for Ventricular Tachycardia Refractory to Medication and Catheter Ablation

NCT04757688
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Cardiac radioablation (CRA)
Radiation
Lead sponsor
John Stahl
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated No phase listed Observational

A Registry to Determine the Clinical and Genetic Risk Factors for Torsade De Pointes

NCT02439645
View directory record Official record
Conditions
Long qt Syndrome, Torsade de Pointes
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
4
States / cities
Boston, Massachusetts • West Roxbury, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Not applicable Interventional

Initial Management of Patients Receiving a Single Shock (IMPRESS)

NCT03531502
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Ventricular Tachycardia Ablation, Standard Medical Therapy, Non-Invasive Programmed Stimulation (NIPS)
Procedure · Other
Lead sponsor
Saint Luke's Health System
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 4 Interventional Results available

DOACs for Stroke Prevention Post Ventricular Tachycardia Ablation

NCT02666742
View directory record Official record
Conditions
Ventricular Tachycardia, Premature Ventricular Contraction, Stroke
Interventions
DOAC, Aspirin
Drug
Lead sponsor
Kansas City Heart Rhythm Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
4
States / cities
Kansas City, Kansas • Overland Park, Kansas • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced Jul 21, 2026, 4:00 PM 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 21, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional

Safety and Performance Assessment of the Sphere-9™ Catheter and Affera™ Ablation System for the Treatment of Ventricular Tachycardia (Sphere-9 VT EFS)

NCT06703489
View directory record Official record
Conditions
Ventricular Tachycardia (VT)
Interventions
Sphere-9 Catheter with the Affera Mapping and Ablation System
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
6
States / cities
Boston, Massachusetts • New York, New York • Cleveland, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jul 21, 2026, 4:00 PM 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 21, 2026, 4:00 PM EDT
Completed No phase listed Observational

DF4 Connector System Post-Approval Study

NCT01638897
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Sudden Cardiac Death, Heart Failure
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
1,778 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
72
States / cities
Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 69 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2019 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 4 Interventional Results available

The Use of Dual Chamber ICD With Special Programmed Features to Lower the Risk of Inappropriate Shock

NCT00787800
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Atrial Fibrillation, Supraventricular Tachycardia
Interventions
Dual Chamber ICD, Single Chamber ICD
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Jul 21, 2026, 4:00 PM 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 Jul 21, 2026, 4:00 PM EDT
Terminated Not applicable Interventional Results available

Pediatric Lead Extractability and Survival Evaluation (PLEASE)

NCT00335036
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy, Long QT Syndrome, Congenital Heart Disease
Interventions
ICD lead implant, Thin leads
Device
Lead sponsor
Charles Berul
Other
Eligibility
1 Year to 55 Years
Enrollment
748 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 21, 2026, 4:00 PM EDT