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ClinicalTrials.gov public records Last synced Oct 7, 2026, 10:34 PM EDT

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Showing 73–96 of 191 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tachycardia, Ventricular Clear all
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 25, 2014 · Synced Oct 7, 2026, 10:34 PM EDT
Terminated No phase listed Observational

Catheter Ablation of Ventricular Arrhythmia Reduces Skin Sympathetic Activity

NCT04837183
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 7, 2026, 10:34 PM EDT
Completed No phase listed Observational

Ablation of Ventricular Fibrillation by Accurate Targeting of Arrhythmogenic Regions (AVATAR)

NCT01492764
View directory record Official record
Conditions
Ventricular Tachyarrhythmias
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Oct 7, 2026, 10:34 PM 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 16, 2014 · Synced Oct 7, 2026, 10:34 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 9, 2022 · Synced Oct 7, 2026, 10:34 PM EDT
Completed No phase listed Observational

Vektor vMap™ Clinical Validation Study

NCT04559061
View directory record Official record
Conditions
Cardiac Arrhythmia, Atrial Fibrillation, Ventricular Arrythmia, Premature Ventricular Complexes Multiple, Ventricular Tachycardia, Ventricular Fibrillation, Premature Atrial Complex, Atrioventricular Reentrant Tachycardia
Interventions
Cardiac ablation procedure
Device
Lead sponsor
Vektor Medical
Industry
Eligibility
22 Years to 100 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Charleston, California • La Jolla, California • San Diego, California + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 7, 2026, 10:34 PM EDT
Recruiting No phase listed Observational

Targeted Ablation to Isolate Scar Channels Causing Ventricular Tachycardia

NCT07814079
View directory record Official record
Conditions
Ventricular Tachycardia (VT), Ischemic Cardiomyopathy, Nonischemic Cardiomyopathy
Interventions
Selective Substrate Isolation
Procedure
Lead sponsor
New York Medical College
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 7, 2026, 10:34 PM EDT
Terminated No phase listed Observational

The PSVT Place Registry.Paroxysmal Supraventricular Tachycardia (PSVT) Registry.

NCT03353610
View directory record Official record
Conditions
Paroxysmal Supraventricular Tachycardia (PSVT)
Interventions
Not listed
Lead sponsor
Milestone Pharmaceuticals Inc.
Other
Eligibility
Not listed
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 7, 2026, 10:34 PM 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 7, 2017 · Synced Oct 7, 2026, 10:34 PM EDT
Completed No phase listed Observational Results available

EnSite Precision Observational Study

NCT03260244
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
cardiac mapping and radiofrequency ablation procedure
Procedure
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,065 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
7
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2024 · Synced Oct 7, 2026, 10:34 PM EDT
Completed Not applicable Interventional

Proton Particle Therapy for Cardiac Arrhythmia

NCT04392193
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Proton Particle Therapy
Radiation
Lead sponsor
Konstantinos Siontis
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Oct 7, 2026, 10:34 PM EDT
Recruiting Phase 3 Interventional

Study Evaluating Dexmedetomidine in the Acute Treatment of Electrical Storm

NCT06281977
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Arrhythmias, Ventricular Fibrillation, Recurrent Ventricular Tachycardia
Interventions
Dexmedetomidine, Normal saline
Drug
Lead sponsor
Ottawa Heart Institute Research Corporation
Other
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 7, 2026, 10:34 PM EDT
Recruiting Phase 2 Interventional

A Phase 2 Study of CRD-4730 in CPVT

NCT06658899
View directory record Official record
Conditions
Catecholaminergic Polymorphic Ventricular Tachycardia
Interventions
CRD-4730, Placebo
Drug
Lead sponsor
Cardurion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 99 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
5
States / cities
San Francisco, California • Morrisville, North Carolina • Houston, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 7, 2026, 10:34 PM 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 22, 2025 · Synced Oct 7, 2026, 10:34 PM EDT
Completed Phase 2 Interventional

Double Blind Placebo Controlled Dose Ranging Study of the Efficacy and Safety of SSR149744c 100 or 300 mg for the Prevention of ventrICular ARrhythmia-triggered Icd interventiOnS

NCT00232297
View directory record Official record
Conditions
Arrhythmia, Tachycardia, Ventricular, Ventricular Fibrillation
Interventions
SSR149744C
Drug
Lead sponsor
Sanofi
Industry
Eligibility
21 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated May 8, 2012 · Synced Oct 7, 2026, 10:34 PM EDT
Completed No phase listed Observational

Novel Cardiac Signal Processing System

NCT04112433
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
PURE EP 2
Device
Lead sponsor
BioSig Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
3
States / cities
Jacksonville, Florida • Boston, Massachusetts • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 11, 2022 · Synced Oct 7, 2026, 10:34 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 7, 2024 · Synced Oct 7, 2026, 10:34 PM 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 19, 2024 · Synced Oct 7, 2026, 10:34 PM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effect of Vagus Nerve Stimulation in Patients Undergoing VT Ablation

NCT04359004
View directory record Official record
Conditions
Arrhythmia, Ventricular Tachycardia (VT)
Interventions
Vagus Nerve Stimulation (VNS)
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Oct 7, 2026, 10:34 PM EDT
Completed Not applicable Interventional Results available

S-ICD® System IDE Clinical Study

NCT01064076
View directory record Official record
Conditions
Tachycardia, Ventricular
Interventions
S-ICD System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
28
States / cities
Scottsdale, Arizona • Los Angeles, California • Pasadena, California + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2017 · Synced Oct 7, 2026, 10:34 PM EDT
Recruiting Early Phase 1 Interventional

Characterization of Cardiac Electrophysiological Effects of Autonomic Neuromodulation

NCT05377216
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Stellate Ganglion Block
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 7, 2026, 10:34 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 29, 2020 · Synced Oct 7, 2026, 10:34 PM EDT
Completed Not applicable Interventional Results available

Stereotactic Ablative Radiotherapy for Refractory Ventricular Tachycardia

NCT03349892
View directory record Official record
Conditions
Refractory Ventricular Tachycardia
Interventions
Stereotactic Ablative Radiotherapy (SABR)
Radiation
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 15, 2021 · Synced Oct 7, 2026, 10:34 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 27, 2022 · Synced Oct 7, 2026, 10:34 PM EDT