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ClinicalTrials.gov public records Last synced Nov 15, 2026, 9:06 AM EST

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Showing 73–96 of 1,578 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Arrhythmias Cardiac Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Physicians in Training and Critical Care Nurses Performance in Medical Code Events: Effect of Simulation-Based Training

NCT02707185
View directory record Official record
Conditions
Ventricular Fibrillation
Interventions
Simulation-Based Training
Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Nov 15, 2026, 9:06 AM EST
Completed Phase 4 Interventional

Apixaban for the Reduction of Thrombo-Embolism in Patients With Device-Detected Sub-Clinical Atrial Fibrillation

NCT01938248
View directory record Official record
Conditions
Atrial Fibrillation, Stroke
Interventions
Apixaban, aspirin
Drug
Lead sponsor
Population Health Research Institute
Other
Eligibility
55 Years and older
Enrollment
4,012 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
23
States / cities
Mesa, Arizona • Little Rock, Arkansas • Larkspur, California + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 15, 2023 · Synced Nov 15, 2026, 9:06 AM EST
Completed No phase listed Observational Results available

Prospective Evaluation of CT Guided Ablation of Cardiac Ganglionated Plexi

NCT04642976
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Ganglionated Plexi mapping and ablation using Natus Cortical Stimulator and standard ablation catheters
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Nov 15, 2026, 9:06 AM EST
Completed Not applicable Interventional Results available

STOP AF First: Cryoballoon Catheter Ablation in an Antiarrhythmic Drug Naive Paroxysmal Atrial Fibrillation

NCT03118518
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Fibrillation New Onset
Interventions
Cryoablation, Antiarrhythmic drug
Device · Drug
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years to 80 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
24
States / cities
Birmingham, Alabama • Anchorage, Alaska • Newport Beach, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2025 · Synced Nov 15, 2026, 9:06 AM EST
Recruiting No phase listed Observational

Baseline Atrial Fibrosis Predicts Risk for Post-operative Atrial Fibrillation in Patients Undergoing Cardiac Surgery

NCT05014802
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Arrhythmia, Atrial Flutter, Atrial Tachycardia
Interventions
Not listed
Lead sponsor
Tulane University
Other
Eligibility
40 Years to 120 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
3
States / cities
Covington, Louisiana • New Orleans, Louisiana • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Nov 15, 2026, 9:06 AM EST
Completed Not applicable Interventional Results available

Scripps Wired for Health Monitoring Study

NCT01975428
View directory record Official record
Conditions
Diabetes, Hypertension, Cardiac Arrhythmia
Interventions
DM Pgm + device, Control
Device · Behavioral
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2023 · Synced Nov 15, 2026, 9:06 AM EST
Completed Not applicable Interventional

A Trial of High Power-Short Duration Versus Standard Power-Long Duration Radiofrequency Ablation for Treatment of Atrial Fibrillation

NCT04148664
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Fibrillation Paroxysmal, Atrial Fibrillation, Persistent
Interventions
Catheter ablation with Standard RF ablation settings, Catheter ablation with High Power Short Duration RF ablation settings
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2023 · Synced Nov 15, 2026, 9:06 AM EST
Terminated Phase 2 Interventional Results available

The Use of Ranolazine for Atrial Fibrillation and Diastolic Heart Failure

NCT01887353
View directory record Official record
Conditions
Atrial Fibrillation, Heart Failure
Interventions
Ranolazine, Placebo
Drug
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Jul 20, 2015 · Synced Nov 15, 2026, 9:06 AM EST
Completed No phase listed Observational

The Atrial High Rate Episodes in Pacemaker Patients

NCT00627328
View directory record Official record
Conditions
Arrhythmia, Atrial Fibrillation, Atrioventricular Block, Bradycardia, Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
50 Years and older
Enrollment
427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
37
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Nov 15, 2026, 9:06 AM EST
Recruiting No phase listed Observational

The Comparative Advantage of the Optrell Mapping Catheter in Ventricular Arrhythmias From the Papillary Muscles

NCT07541092
View directory record Official record
Conditions
Ventricular Arrythmia
Interventions
Ablation using Optrell™ mapping catheter
Procedure
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Nov 15, 2026, 9:06 AM EST
Terminated Phase 4 Interventional

Secondary Prevention of Atrial Fibrillation (Impact of Renin-Angiotensin-Aldosterone System Inhibition)

NCT01233635
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
no drug, start cozaar, continue cozaar
Other · Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2023 · Synced Nov 15, 2026, 9:06 AM EST
Completed Phase 4 Interventional Results available

Study of Continuous Cardiac Monitoring to Assess Atrial Fibrillation After Cryptogenic Stroke

NCT00924638
View directory record Official record
Conditions
Cryptogenic Symptomatic Transient Ischemic Attack, Cryptogenic Ischemic Stroke
Interventions
Reveal® XT Insertable Cardiac Monitor
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
40 Years and older
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
19
States / cities
Mountain View, California • Denver, Colorado • Chicago, Illinois + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2014 · Synced Nov 15, 2026, 9:06 AM EST
Recruiting No phase listed Observational

Human/Machine Interface: What the HeartMate 3 ® Device Tells Us About the Future

NCT06039176
View directory record Official record
Conditions
LVAD, Frailty, GI Bleed, Right Heart Failure, Infections, Hypertension, Arrhythmias, Stroke
Interventions
HeartMate 3 (R) left ventricular assist device
Device
Lead sponsor
International Consortium of Circulatory Assist Clinicians
Other
Eligibility
18 Years to 100 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
7
States / cities
San Francisco, California • Gainesville, Florida • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Nov 15, 2026, 9:06 AM EST
Completed Not applicable Interventional

MASTER I - Microvolt T Wave Alternans Testing for Risk Stratification of Post MI Patients

NCT00305240
View directory record Official record
Conditions
Myocardial Infarction, Arrhythmia, Ventricular, Ischemic Cardiomyopathy
Interventions
T Wave Alternans Test
Procedure
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
47
States / cities
Mobile, Alabama • Phoenix, Arizona • Walnut Creek, California + 44 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2008 · Synced Nov 15, 2026, 9:06 AM EST
Terminated Not applicable Interventional Accepts healthy volunteers

Breathing Intervention for Cardiac Anxiety

NCT02916550
View directory record Official record
Conditions
Atrial Fibrillation, Implantable Cardioverter Defibrillator
Interventions
Breathing exercise
Behavioral
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 6, 2023 · Synced Nov 15, 2026, 9:06 AM EST
Completed No phase listed Observational Results available

BlueSync Field Evaluation

NCT03518658
View directory record Official record
Conditions
Bradycardia
Interventions
Evaluation Group, Control Group (Historical)
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
11
States / cities
Palo Alto, California • Hartford, Connecticut • Daytona Beach, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Nov 15, 2026, 9:06 AM EST
Completed No phase listed Observational

FREEZE Cohort Study

NCT01360008
View directory record Official record
Conditions
Arrhythmia
Interventions
Not listed
Lead sponsor
Stiftung Institut fuer Herzinfarktforschung
Other
Eligibility
18 Years and older
Enrollment
4,071 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Asheville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 27, 2019 · Synced Nov 15, 2026, 9:06 AM EST
Completed Not applicable Interventional

Decentralized Trial in Atrial Fibrillation Patients

NCT04471623
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Use of DeTAP App and Home Devices
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
55 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2023 · Synced Nov 15, 2026, 9:06 AM EST
Not listed Not applicable Interventional Accepts healthy volunteers

Beneficial or Fostering Future Struggles (B.F.F.s)? Characterizing the Role of Friends in the Development of 13- to 17-Year-Old Adolescents

NCT05893459
View directory record Official record
Conditions
Child Maltreatment, Interpersonal Relations, Victimisation, Psychopathology, Electrocardiography
Interventions
Debrief
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
13 Years to 17 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Nov 15, 2026, 9:06 AM EST
Active, not recruiting No phase listed Observational

Amulet™ ADVANCE LAA

NCT05997446
View directory record Official record
Conditions
Atrial Fibrillation, Stroke, Bleeding
Interventions
Left atrial appendage occlusion (LAAO)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
16
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Nov 15, 2026, 9:06 AM EST
Not listed Phase 4 Interventional

Study to Reduce Symptoms of Premature Beats With Ranolazine

NCT01996618
View directory record Official record
Conditions
Premature Ventricular Beats
Interventions
Ranolazine
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 1, 2015 · Synced Nov 15, 2026, 9:06 AM EST
Completed Phase 4 Interventional Results available

Efficacy of Short Term Dabigatran Etexilate Followed by Aspirin Monotherapy After LAA (Left Atrial Appendage) Device Closure (the DEA-LAA Study).

NCT03539055
View directory record Official record
Conditions
Atrial Fibrillation, Device Related Thrombus, Left Atrial Appendage Thrombosis, Watchman LAA Closure Device
Interventions
Dabigatran Etexilate Oral Capsule
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Nov 15, 2026, 9:06 AM EST
Terminated Phase 3 Interventional Results available

Continuation of Antiarrhythmics Following Ventricular Tachycardia Catheter Ablation

NCT04208997
View directory record Official record
Conditions
Tachycardia, Ventricular, Catheter Ablation
Interventions
Antiarrhythmic drug
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Nov 15, 2026, 9:06 AM EST
Active, not recruiting Not applicable Interventional

Treatment of PAF With the Synaptic System

NCT05905835
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Synaptic Cryoablation System
Device
Lead sponsor
Synaptic Medical Corporation
Industry
Eligibility
18 Years to 80 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
10
States / cities
Phoenix, Arizona • Jonesboro, Arkansas • Los Angeles, California + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Nov 15, 2026, 9:06 AM EST