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ClinicalTrials.gov public records Last synced Sep 19, 2026, 2:16 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Abnormal Heart Rhythms Clear all
Enrolling by invitation No phase listed Observational

Virtual Reality in Electrophysiology Laboratory (EP)

NCT04893278
View directory record Official record
Conditions
PVC - Premature Ventricular Complex, Ablation
Interventions
Virtual reality
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 19, 2026, 2:16 AM EDT
Completed Not applicable Interventional Results available

Implementing Prescriber-Pharmacist Collaborative Care for Evidence-based Anticoagulant Use

NCT05351749
View directory record Official record
Conditions
Pulmonary Embolism, Venous Thromboembolism, Atrial Fibrillation
Interventions
New-prescription Alert, New-prescription Alert with referral option, Existing-prescription notification to prescriber, Existing-prescription notification to pharmacist
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
Not listed
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 19, 2026, 2:16 AM EDT
Completed Not applicable Interventional

Feasibility Study of Remote Support for Implantable Pulse Generator (IPG)/Implantable Cardioverter Defibrillator (ICD) Implant

NCT01809652
View directory record Official record
Conditions
Bradycardia, Sudden Cardiac Arrest
Interventions
Remote Implant Support Capability
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced Sep 19, 2026, 2:16 AM 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 12, 2023 · Synced Sep 19, 2026, 2:16 AM EDT
Recruiting No phase listed Observational

Tracking Results of Ablations to Combat AF Registry Generation 2

NCT05111015
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Open Concomitant Surgical Ablation Procedures, Hybrid (Convergent) Ablation Procedures, AtriCure Hybrid Totally Thoracoscopic Ablation Procedures, AtriCure LAA Exclusion Procedures
Device
Lead sponsor
AtriCure, Inc.
Industry
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2040
U.S. locations
26
States / cities
Huntsville, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Sep 19, 2026, 2:16 AM EDT
Not listed Not applicable Interventional

Warfarin Patient Self-management Implementation in the US Healthcare System

NCT04766216
View directory record Official record
Conditions
Atrial Fibrillation, Venous Thromboembolism, Heart Valve Diseases
Interventions
Patient self-management, Usual care provided by anticoagulation providers
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
Loma Linda, California • Boston, Massachusetts • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 19, 2026, 2:16 AM EDT
Completed Not applicable Interventional

Optimal Coronary Sinus Lead Implantation Using Intracardiac Impedography and Magnetic Resonance Imaging

NCT01129635
View directory record Official record
Conditions
Heart Failure, Systolic, Left Bundle Branch Block
Interventions
Cardiac Resynchronization Therapy (CRT) implantation
Procedure
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2015 · Synced Sep 19, 2026, 2:16 AM EDT
Completed Not applicable Interventional Results available

Inducibility and Stability of Ventricular Tachycardia Inpatients Undergoing VT Ablation Under General Anesthesia

NCT02419547
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Versed, Fentanyl, Propofol, Sevoflurane
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Sep 19, 2026, 2:16 AM EDT
Completed Phase 4 Interventional Results available

Evaluating the Effectiveness of Fish Oil Supplements at Reducing the Recurrence of Atrial Fibrillation

NCT00552084
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Fish oil, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Sep 19, 2026, 2:16 AM EDT
Recruiting Not applicable Interventional

Vascular Closure With a Device Compared to Manual Compression After Atrial Fibrillation Ablation: The LockeT II Study

NCT06078735
View directory record Official record
Conditions
Atrial Fibrillation, Hemostasis
Interventions
Vascular closure with LockeT device
Device
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
6
States / cities
Overland Park, Kansas • Independence, Missouri • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Sep 19, 2026, 2:16 AM EDT
Not listed No phase listed Observational

Characterization and Prediction of Atrial Fibrillation-caused Adverse Events After Hospital Discharge for Cardiac Surgery

NCT03466125
View directory record Official record
Conditions
Atrial Fibrillation, Stroke, Acute, Death
Interventions
Cardiac surgery
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
20 Years to 99 Years
Enrollment
25,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 19, 2026, 2:16 AM EDT
Completed No phase listed Observational

Inflammation as a Predictor in Cardioversion of Atrial Fibrillation

NCT00590525
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Cardioversion
Procedure
Lead sponsor
Creighton University
Other
Eligibility
19 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 30, 2009 · Synced Sep 19, 2026, 2:16 AM EDT
Recruiting No phase listed Observational

ViewFlex X ICE First-in-Human Study

NCT06772493
View directory record Official record
Conditions
Cardiac Arrhythmias
Interventions
ViewFlex X ICE System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
8
States / cities
Jonesboro, Arkansas • La Jolla, California • Jacksonville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 19, 2026, 2:16 AM EDT
Completed Phase 3 Interventional Results available

Amiodarone, Lidocaine or Neither for Out-Of-Hospital Cardiac Arrest Due to Ventricular Fibrillation or Tachycardia

NCT01401647
View directory record Official record
Conditions
Cardiac Arrest
Interventions
amiodarone, Lidocaine, Normal saline
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
3,024 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
7
States / cities
Birmingham, Alabama • San Diego, California • Portland, Oregon + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 19, 2026, 2:16 AM EDT
Terminated No phase listed Observational

SJM Brady MRI Post Approval Study

NCT03170583
View directory record Official record
Conditions
Bradycardia
Interventions
St. Jude Medical Tendril MRI™ lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,768 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
66
States / cities
Phoenix, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 62 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Sep 19, 2026, 2:16 AM EDT
Terminated No phase listed Observational

Rhythm Disturbances After Ventricular Septal Defects

NCT00208624
View directory record Official record
Conditions
Heart Block After Surgery
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 4, 2014 · Synced Sep 19, 2026, 2:16 AM EDT
Not listed No phase listed Observational

Clinical and Economic Impact of an Organized Treatment Pathway on AFib Patient Management From the ER

NCT04476524
View directory record Official record
Conditions
Cardiac Arrhythmia, Atrial Fibrillation
Interventions
Quality improvement
Other
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 3, 2021 · Synced Sep 19, 2026, 2:16 AM EDT
Completed Not applicable Interventional Results available

Tailored vs. Anatomical Ablation Strategy for Persistent Atrial Fibrillation

NCT04702451
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Dispersion ablation + PVI, VX1, PVI
Procedure · Device
Lead sponsor
Volta Medical
Industry
Eligibility
18 Years and older
Enrollment
377 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
8
States / cities
Birmingham, Alabama • Jacksonville, Florida • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 19, 2026, 2:16 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Treatment of Orthostatic Intolerance

NCT00262470
View directory record Official record
Conditions
Tachycardia, Chronic Orthostatic Intolerance
Interventions
Acetazolamide, Atomoxetine, NO Drug, Clonidine, Entacapone, Entacapone & Propranolol, Atomoxetine & Propranolol, Indomethacin, Mecamylamine, Isosorbide Dinitrate, Melatonin, Midodrine, Modafinil, Octreotide, Placebo, Propranolol, Modafinil & Propranolol, Sertraline, IV Saline, Drinking Water, Breathing Device, memantine, Abdominal binder
Drug · Other · Dietary Supplement + 3 more
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Sep 19, 2026, 2:16 AM EDT
Completed Not applicable Interventional

The OneFreeze Study

NCT02217254
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Atrial fibrillation catheter ablation using the Medtronic Arctic Front Ablation System
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 19, 2026, 2:16 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Micra AV Tracking During Exercise Testing

NCT05966168
View directory record Official record
Conditions
Heart Block AV
Interventions
Medtronic Micra AV Device
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Sep 19, 2026, 2:16 AM EDT
Terminated Phase 4 Interventional Results available

Effect of Dronedarone on Atrial Fibrosis Progression and Atrial Fibrillation Recurrence

NCT04704050
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Fibrillation Recurrent
Interventions
dronedarone 400 mg Oral Tablet, Placebo
Drug
Lead sponsor
Tulane University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Colorado Springs, Colorado • Atlanta, Georgia • New Orleans, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 19, 2026, 2:16 AM EDT
Completed Phase 4 Interventional Results available

Uninterrupted Dabigatran Etexilate in Comparison to Uninterrupted Warfarin in Pulmonary Vein Ablation (RE-CIRCUIT)

NCT02348723
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Warfarin, Dabigatran Etexilate 150mg
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
678 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
21
States / cities
Little Rock, Arkansas • Fremont, California • Sacramento, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2018 · Synced Sep 19, 2026, 2:16 AM EDT
Terminated Phase 3 Interventional Results available

Ranolazine for the Prevention of Atrial Fibrillation After Electrical Cardioversion

NCT01349491
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Ranolazine, Matching placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Sep 19, 2026, 2:16 AM EDT