Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 8:03 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 372 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Heart Rate Fast Clear all
Completed Phase 4 Interventional Results available

Stereotaxis Study To Obliterate Persistent Ventricular Tachycardia

NCT00851279
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Magnetic irrigated ablation catheter
Device
Lead sponsor
Stereotaxis
Industry
Eligibility
18 Years to 80 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Indianapolis, Indiana • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 24, 2015 · Synced Oct 21, 2026, 8:03 AM EDT
Recruiting Phase 2 Interventional

A Study of Pyridostigmine in Postural Tachycardia Syndrome

NCT00409435
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
pyridostigmine, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
15 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Terminated Phase 2 Interventional Results available

Treatment of Ventricular Tachyarrhythmias Refractory To Shock With Beta Blockers: The SHOCK and BLOCK Trial

NCT00401882
View directory record Official record
Conditions
Cardiac Arrest, Sudden Cardiac Death, Ventricular Fibrillation, Tachycardia, Ventricular
Interventions
Epinephrine, Metoprolol
Drug
Lead sponsor
David Haines, MD
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated May 25, 2017 · Synced Oct 21, 2026, 8:03 AM EDT
Active, not recruiting Not applicable Interventional

RESOLVE-AF: Clinical Evaluation of the Ablacath™ Mapping Catheter and Ablamap® System Utilizing Electrographic Flow (EGF) Mapping to Resolve Extra-PV Sources of Atrial Fibrillation and Guide Ablation Therapy.

NCT05883631
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Fibrillation, Persistent, Atrial Fibrillation Paroxysmal, Arrhythmia, Arrhythmias, Cardiac, Atrial Flutter, Atrial Fibrillation, Paroxysmal or Persistent, Atrial Arrhythmia, Atrial Tachycardia
Interventions
Electrographic Flow (EGF) mapping and ablation of EGF-identified sources of Atrial Fibrillation, Electrographic Flow (EGF) mapping (no ablation)
Device
Lead sponsor
Cortex
Industry
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
15
States / cities
Birmingham, Alabama • Phoenix, Arizona • Redwood City, California + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2025 · Synced Oct 21, 2026, 8:03 AM 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 24, 2014 · Synced Oct 21, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Implementation of Transdx Group for POTS

NCT03185247
View directory record Official record
Conditions
Dysautonomia, Anxiety, Depression
Interventions
Transdiagnostic Group-Based Treatment
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
13 Years to 18 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 26, 2019 · Synced Oct 21, 2026, 8:03 AM EDT
Completed Phase 4 Interventional Results available

Effect of Nebulized Bronchodilators on Heart Rate

NCT01151579
View directory record Official record
Conditions
COPD, Sepsis, Shock
Interventions
Levalbuterol, Albuterol
Drug
Lead sponsor
Fahim Khorfan, MD
Industry
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Grand Blanc, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 23, 2015 · Synced Oct 21, 2026, 8:03 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 29, 2020 · Synced Oct 21, 2026, 8:03 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 16, 2017 · Synced Oct 21, 2026, 8:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate How VI-0521 Affect Cardiac Repolarization in Healthy Male and Female Volunteers

NCT00839891
View directory record Official record
Conditions
Torsades de Pointes
Interventions
VI-0521
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
19 Years to 50 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 21, 2010 · Synced Oct 21, 2026, 8:03 AM EDT
Active, not recruiting Phase 1 Interventional

Vagal Stimulation in POTS

NCT03124355
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
placebo sugar pill, Pyridostigmine Pill, Galantamine Pill, Vagal stimulation, Sham vagal stimulation
Drug · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Terminated No phase listed Observational

Radiofrequency Ablation of Ectopic Atrial Tachycardia

NCT00267982
View directory record Official record
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 21 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 6, 2011 · Synced Oct 21, 2026, 8:03 AM EDT
Completed Not applicable Interventional

PREPARE - Primary Prevention Parameters Evaluation

NCT00279279
View directory record Official record
Conditions
Tachycardia, Ventricular, Implantable Cardioverter Defibrillator (ICD), Fibrillation, Ventricular, Syncope
Interventions
Implanted Device
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
31
States / cities
Birmingham, Alabama • Mesa, Arizona • Phoenix, Arizona + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2006 · Synced Oct 21, 2026, 8:03 AM EDT
Not yet recruiting Not applicable Interventional

Cardiac Radioablation for VT

NCT06593418
View directory record Official record
Conditions
Ventricular Tachycardia, Myocardial Infarction
Interventions
Stereotactic Body Radiation Therapy (SBRT)
Radiation
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Recruiting No phase listed Observational

Inappropriate Sinus Tachycardia Registry

NCT05107635
View directory record Official record
Conditions
Inappropriate Sinus Tachycardia, Postural Tachycardia Syndrome
Interventions
AtriCure Commercially Available Devices
Device
Lead sponsor
AtriCure, Inc.
Industry
Eligibility
18 Years to 100 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
12
States / cities
Loma Linda, California • Palo Alto, California • Redwood City, California + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Completed No phase listed Observational

Risk of Life-threatening Heart Rhythm Disturbances in Siblings

NCT00498524
View directory record Official record
Conditions
Defibrillators, Implantable, Myocardial Infarction, Tachycardias, Ventricular
Interventions
ICD
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
2,047 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 7, 2012 · Synced Oct 21, 2026, 8:03 AM EDT
Recruiting Phase 2 Interventional

The NODE-202 Study (Study of Etripamil Nasal Spray in Pediatric Patients)

NCT05763953
View directory record Official record
Conditions
Paroxysmal Supraventricular Tachycardia
Interventions
Etripamil NS
Drug
Lead sponsor
Milestone Pharmaceuticals Inc.
Other
Eligibility
6 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
6
States / cities
Phoenix, Arizona • Oak Lawn, Illinois • Cincinnati, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Withdrawn Not applicable Interventional

Stereotactic Ablative Radiotherapy (SAbR) for Treatment of Ventricular Tachycardia (VT) Refractory Standard Invasive Ablation Techniques

NCT04334811
View directory record Official record
Conditions
Tachycardia, Ventricular
Interventions
Stereotactic ablative radiotherapy
Radiation
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Oct 21, 2026, 8:03 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Acute Salt Handling in Orthostatic Intolerance

NCT00581633
View directory record Official record
Conditions
Postural Tachycardia Syndrome, Orthostatic Tachycardia, Orthostatic Intolerance
Interventions
normal saline (0.9%)
Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Recruiting Not applicable Interventional

Pulsed Field Ablation for Post-Infarction Ventricular Tachycardia

NCT06891456
View directory record Official record
Conditions
Ventricular Tachycardia, Ischemic Heart Disease, Sustained VT
Interventions
RFA Ablation, PFA Ablation
Device
Lead sponsor
Pasquale Santangeli
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Completed Phase 4 Interventional Results available

CryoCath Freezor CryoAblation Catheter System (CRYOFACTS)

NCT00621621
View directory record Official record
Conditions
Tachycardia, Atrioventricular Nodal Reentry
Interventions
Freezor® Cardiac Cryoablation Catheter CryoConsole System
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
4
States / cities
Minneapolis, Minnesota • Omaha, Nebraska • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 21, 2026, 8:03 AM EDT
Recruiting Not applicable Interventional

Functional ElectroAnatomiC Isochronal Late Activation Mapping for Empiric VT Ablation Trial

NCT06931821
View directory record Official record
Conditions
Sustained Monomorphic VT (MMVT), Recurrent Ventricular Tachycardia
Interventions
Isochronal Late Activation Mapping (ILAM), High Density Voltage Mapping
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 21, 2026, 8:03 AM EDT
Terminated Phase 1 Interventional

High Sodium Diet and External Abdominal Compression in POTS

NCT01771484
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
External automated abdominal binder
Device
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Oct 21, 2026, 8:03 AM 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 Sep 3, 2026 · Synced Oct 21, 2026, 8:03 AM EDT