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ClinicalTrials.gov public records Last synced Oct 4, 2026, 4:47 AM EDT

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Showing 1–24 of 1,558 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cardiovascular Disease, Arrhythmias Clear all
Not listed Phase 4 Interventional

Magnesium to Reduce Implantable Cardioverter Defibrillator (ICD) Shocks and Improve Patient's Quality of Life.

NCT00282620
View directory record Official record
Conditions
Arrhythmia, Quality of Life, Hypomagnesemia
Interventions
Magnesium L-lactate
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 20, 2007 · Synced Oct 4, 2026, 4:47 AM EDT
Recruiting Not applicable Interventional

Developing a Digital Aid to Improve ICD Decisions

NCT07084142
View directory record Official record
Conditions
Heart Failure and Reduced Ejection Fraction
Interventions
Online, patient-facing decision-making aid (app) with personalized risk information., Implantable Cardioverter Defibrillator (ICD), Online, patient-facing decision-making app without personalized risk information.
Other · Device
Lead sponsor
Stanford University
Other
Eligibility
60 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
San Francisco, California • Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 4, 2026, 4:47 AM EDT
Completed No phase listed Observational

The Effect of General Anesthesia on the Risk for Arrhythmia

NCT01174251
View directory record Official record
Conditions
Arrhythmia
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2013 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Not applicable Interventional Results available

Suture Closure AFtEr VEIN Access for Cardiac Procedures (SAFE-VEIN) Trial

NCT04632641
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter, Heart Block, Pulmonary Embolism and Thrombosis, Mitral Valve Repair, Sinus Node Dysfunction, Bradycardia, Brady-tachy Syndrome
Interventions
Perclose ProGlide Suture-Mediated Closure System (SMC) - LARGE-BORE PROCEDURES, Figure 8 Suture - LARGE-BORE PROCEDURES
Device · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Not applicable Interventional Results available

Hybrid Ablation Plus Medical Therapy for Persistent Atrial Fibrillation

NCT04190186
View directory record Official record
Conditions
Persistent Atrial Fibrillation
Interventions
Insertable Cardiac Monitor
Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
4
States / cities
Ypsilanti, Michigan • Tupelo, Mississippi • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Oct 4, 2026, 4:47 AM 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 4, 2026, 4:47 AM EDT
Completed No phase listed Observational

THE GIRAFFE Study: Genomic Risk Markers for Atrial Fibrillation Following Extended Cardiac Rhythm Monitoring

NCT01970969
View directory record Official record
Conditions
Patients With Symptoms of Cardiac Arrhythmia at Risk for Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years and older
Enrollment
928 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Electrocardiogram Clinical Validation Study

NCT04842123
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Electrocardiogram
Diagnostic Test
Lead sponsor
Garmin International
Industry
Eligibility
22 Years and older
Enrollment
568 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
6
States / cities
Phoenix, Arizona • Washington D.C., District of Columbia • Saint Paul, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2022 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Phase 4 Interventional

A Study to Determine if Identification of Undiagnosed Atrial Fibrillation in People at Least 70 Years of Age Reduces the Risk of Stroke

NCT04126486
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
Zio®XT Monitor
Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
70 Years and older
Enrollment
11,931 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
176
States / cities
Birmingham, Alabama • Guntersville, Alabama • Montgomery, Alabama + 141 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2023 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

AF at Home: A Virtual Education Program for Patients With Atrial Fibrillation (AF)

NCT05810896
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
AF at Home
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
3
States / cities
Chapel Hill, North Carolina • Durham, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 4, 2026, 4:47 AM EDT
Active, not recruiting No phase listed Observational

P-wave Duration and Local Potential as Predictors of AF Recurrence Following Pulmonary Vein Isolation

NCT07471308
View directory record Official record
Conditions
Atrial Fibrillation (AF), Atrial Fibrillation Patients Treated With the FARAPULSE™ PFA System, Atrial Fibrillation (Paroxysmal), Pulmonary Vein Isolation
Interventions
AF Recurrence RIsk Assessment post pulmonary vein isolation
Device
Lead sponsor
CathVision ApS
Industry
Eligibility
21 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Paramus, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Improving the Quality of Care for Atrial Fibrillation by Promoting Patient-Centered Decision Making

NCT00829478
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Decision Aid for Atrial Fibrillation, Usual Care
Behavioral · Other
Lead sponsor
VA Connecticut Healthcare System
Federal
Eligibility
45 Years and older
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 20, 2012 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Phase 3 Interventional Results available

A Trial With Dronedarone to Prevent Hospitalization or Death in Patients With Atrial Fibrillation

NCT00174785
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
dronedarone (SR33589), placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
70 Years and older
Enrollment
4,628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 12, 2010 · Synced Oct 4, 2026, 4:47 AM EDT
Recruiting Not applicable Interventional

Comparing Direct vs Indirect Methods for Cascade Screening

NCT05348564
View directory record Official record
Conditions
Long QT Syndrome, Familial Hypercholesterolemia, Ethics, Genetic Testing
Interventions
Direct contact of family members for cascade screening of relevant variants
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Phase 2 Interventional

Defining The Role Of Dialysate Magnesium In Arrhythmogenicity On Dialysis

NCT00242164
View directory record Official record
Conditions
Chronic Kidney Disease, Arrhythmia
Interventions
Dialysate Magnesium (Concentration)
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Ann Arbor, Michigan • Livonia, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 9, 2014 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetics of Eleclazine in Adults With Normal and Impaired Hepatic Function

NCT02412098
View directory record Official record
Conditions
Long QT Syndrome
Interventions
Eleclazine
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
4
States / cities
Miami, Florida • Orlando, Florida • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Not applicable Interventional

Pulmonary Vein Isolation in Athletes

NCT03226847
View directory record Official record
Conditions
Athletes, Atrial Fibrillation, Catheter Ablation
Interventions
Pulmonary Vein Isolation
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 13, 2021 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Phase 3 Interventional

Clarification of Optimal Anticoagulation Through Genetics

NCT00839657
View directory record Official record
Conditions
Stroke, Venous Thrombosis, Atrial Fibrillation, Atrial Flutter
Interventions
Genotype-guided dosing algorithm for warfarin, Clinical-guided dosing algorithm for warfarin
Behavioral
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
1,015 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
18
States / cities
Birmingham, Alabama • San Francisco, California • Gainesville, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2016 · Synced Oct 4, 2026, 4:47 AM EDT
Enrolling by invitation Not applicable Interventional

Comparing Surgical Management Methods of Atrial Fibrillation

NCT07100483
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Atrial Fibrillation Ablation
Procedure
Lead sponsor
Corewell Health West
Other
Eligibility
18 Years to 85 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Phase 4 Interventional Results available

RIGHT: Rhythm ID Going Head-to-Head Trial

NCT00148954
View directory record Official record
Conditions
Tachycardia
Interventions
VITALITY 2 Implantable Cardioverter Defibrillator, Medtronic Implantable Cardioverter Defibrillator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,962 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 12, 2012 · Synced Oct 4, 2026, 4:47 AM EDT
Completed No phase listed Observational Results available

Reveal In-Office Implants

NCT01168427
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
Reveal® DX or Reveal® XT Insertable Cardiac Monitor
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
9
States / cities
La Jolla, California • Miramar, Florida • Macon, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Oct 4, 2026, 4:47 AM EDT
Completed Not applicable Interventional

Prematurity Related Ventilatory Control (PRE-VENT) - Specific Aim 2

NCT03333161
View directory record Official record
Conditions
Infant,Premature
Interventions
Cardiorespiratory monitoring
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 15 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 21, 2021 · Synced Oct 4, 2026, 4:47 AM EDT
Completed No phase listed Observational

Prospective Identification of Long QT Syndrome in Fetal Life

NCT02876380
View directory record Official record
Conditions
Long QT Syndrome
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Oct 4, 2026, 4:47 AM EDT
Not listed Not applicable Interventional

Retracting the Esophagus During AF Ablation

NCT02665442
View directory record Official record
Conditions
Atrial Fibrillation, Esophageal Fistula, Cardiac Arrhythmia
Interventions
Esophageal Stylet - EsoSure
Device
Lead sponsor
Northeast Scientific, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 27, 2016 · Synced Oct 4, 2026, 4:47 AM EDT