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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:17 PM EDT

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Showing 289–312 of 372 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational

Comparison of Continuous Sternal ECG Patch Monitors (Carnation and Zio) Trial

NCT02952781
View directory record Official record
Conditions
Syncope, Presyncope, Atrial Fibrillation, Supraventricular Tachycardia
Interventions
EKG Patch monitors (Zio and Carnation)
Device
Lead sponsor
EvergreenHealth
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kirkland, Washington
Source: ClinicalTrials.gov public record
Updated Mar 7, 2017 · Synced Oct 23, 2026, 1:17 PM EDT
Not listed Phase 2 Interventional

Reduction of Intrapartum Fever With Intravenous Acetaminophen

NCT02625454
View directory record Official record
Conditions
Fever, Oxidative Stress
Interventions
Intravenous Acetaminophen, Oral Acetaminophen
Drug
Lead sponsor
Richmond University Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Staten Island, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Oct 23, 2026, 1:17 PM EDT
Recruiting Not applicable Interventional

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

NCT07585968
View directory record Official record
Conditions
Ventricular Tachycardia
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
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
6
States / cities
Indianapolis, Indiana • Manhasset, New York • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 23, 2026, 1:17 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Splanchnic Venous Capacitance in Postural Tachycardia Syndrome

NCT05375968
View directory record Official record
Conditions
Postural Tachycardia Syndrome (POTS)
Interventions
Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls POTS patients, Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls, Compare change is SVC and SMA flow due to GIP antagonist GIP(3-30)NH2, Compare change is SVC and SMA flow due to saline
Diagnostic Test · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 5, 2025 · Synced Oct 23, 2026, 1:17 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 23, 2026, 1:17 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 23, 2026, 1:17 PM EDT
Not yet recruiting Phase 3 Interventional

MAGNEsium With meToprolol for Rate Control In Atrial Fibrillation

NCT07632157
View directory record Official record
Conditions
Atrial Flutter With Rapid Ventricular Response
Interventions
Magnesium Sulfate 2g, Magnesium Sulfate 4g, Saline (0.9% NaCl)
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 23, 2026, 1:17 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 23, 2026, 1:17 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 22, 2022 · Synced Oct 23, 2026, 1:17 PM EDT
Completed Phase 1Phase 2 Interventional Results available

IVIG (Gamunex-C) Treatment Study for POTS Subjects

NCT03919773
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
IVIG, Albumin
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 23, 2026, 1:17 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Does a Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Nat hx With Its Numerous Co-morbidities?

NCT06616363
View directory record Official record
Conditions
POTS - Postural Orthostatic Tachycardia Syndrome
Interventions
Questionnaires to be competed, Provide list of medication and lifetime events, Use phone App to record new life events, Will wear an activity monitor, Periodic 24-hour urine sodium check, A fMRI scan, A bedside tilt test will be performed, IV placed to collect blood samples, Stool Sample
Behavioral · Device · Other + 1 more
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 23, 2026, 1:17 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 23, 2026, 1:17 PM EDT
Not listed Not applicable Interventional

Transcutaneous Vagal Nerve Stimulation to Prevent Tachyarrhythmias in Patients Early Following Myocardial Infarction

NCT05750108
View directory record Official record
Conditions
Myocardial Infarction, Tachyarrhythmia
Interventions
Parasym device (active, current (mA) < discomfort threshold), Parasym device (sham, current (mA) = 0)
Device
Lead sponsor
Hippocration General Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Oct 23, 2026, 1:17 PM EDT
Recruiting Not applicable Interventional

Trial in Arrhythmia Radioablation for Ventricular Tachycardia: Single Fraction vs Three Fractions

NCT06743789
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Radiation Therapy
Radiation
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 23, 2026, 1:17 PM EDT
Completed No phase listed Observational Results available

Pacemaker Therapy in Adults With Congenital Heart Defects

NCT00303511
View directory record Official record
Conditions
Congenital Disorder
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
19 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 8, 2014 · Synced Oct 23, 2026, 1:17 PM EDT
Active, not recruiting Not applicable Interventional Results available

Effectiveness of the EMPOWER™ Modular Pacing System and EMBLEM™ Subcutaneous ICD to Communicate Antitachycardia Pacing

NCT04798768
View directory record Official record
Conditions
Tachycardia, Ventricular, Arrhythmia, Ventricular
Interventions
mCRM Therapy System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
18
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Jonesboro, Arkansas + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 23, 2026, 1:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Natural History With Its Numerous Co-morbidities?

NCT05618054
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Looming task
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 23, 2026, 1:17 PM EDT
Recruiting Phase 4 Interventional

Vasoactive Drugs in Intensive Care Unit

NCT02118467
View directory record Official record
Conditions
Shock
Interventions
Norepinephrine, Epinephrine, Phenylephrine, Vasopressin
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
836 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 23, 2026, 1:17 PM EDT
Completed Phase 2Phase 3 Interventional Results available

A Clinical Trial Utilizing Dantrolene in Patients With Ventricular Arrhythmias.

NCT04134845
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Dantrolene/Ryanodex, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 23, 2026, 1:17 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 23, 2026, 1:17 PM EDT
Completed Not applicable Interventional

Lead EvaluAtion for Defibrillation and Reliability (LEADR) / Lead Evaluation for Defibrillation and Reliability in Left Bundle Branch Area Pacing (LEADR LBBAP)

NCT04863664
View directory record Official record
Conditions
Tachyarrhythmia
Interventions
Defibrillation (RV Implant), Defibrillation (LBBAP Implant)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
12 Years and older
Enrollment
998 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
23
States / cities
Huntsville, Alabama • Torrance, California • Hartford, Connecticut + 19 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 23, 2026, 1:17 PM EDT
Recruiting No phase listed Observational

Severe Complications During Ventricular Tachycardia or Premature Ventricular Complex Ablation

NCT07777744
View directory record Official record
Conditions
Ventricular Tachycardia (VT), Premature Ventricular Complexes
Interventions
Not listed
Lead sponsor
University Hospital, Basel, Switzerland
Other
Eligibility
18 Years and older
Enrollment
15,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Chicago, Illinois • Michigan Center, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 23, 2026, 1:17 PM 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 24, 2018 · Synced Oct 23, 2026, 1:17 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Peripheral Dopamine in Postural Tachycardia Syndrome

NCT00685919
View directory record Official record
Conditions
Postural Tachycardia Syndrome, Orthostatic Intolerance
Interventions
Carbidopa, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 24, 2022 · Synced Oct 23, 2026, 1:17 PM EDT