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Showing 1–24 of 1,583 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Arrhythmia Clear all
Suspended Not applicable Interventional

Warfarin Adverse Event Reduction For Adults Receiving Genetic Testing at Therapy INitiation (WARFARIN)

NCT01305148
View directory record Official record
Conditions
Anti-coagulation Therapy, DVT, Pulmonary Embolism, Joint Surgery Multiple, Atrial Fibrillation, Prosthetic Replacement of Mitral Valve
Interventions
Warfarin GenoSTAT Test
Device
Lead sponsor
Iverson Genetic Diagnostics, Inc.
Industry
Eligibility
65 Years and older
Enrollment
3,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
56
States / cities
Birmingham, Alabama • Glendale, Arizona • Phoenix, Arizona + 51 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2015 · Synced Jul 21, 2026, 11:23 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Validation of the Masimo Irregular Heartbeat Detection Algorithm in Participants Without Cardiovascular Disease

NCT07223164
View directory record Official record
Conditions
Healthy
Interventions
Masimo SET® and Masimo W1®
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 21, 2026, 11:23 AM EDT
Completed No phase listed Observational

Medtronic Genetic Arrhythmia Markers for Early Detection (GAME Study)

NCT00664807
View directory record Official record
Conditions
Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Atrial Fibrillation, Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Medtronic Corporate Technologies and New Ventures
Industry
Eligibility
40 Years and older
Enrollment
1,023 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2009 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Not applicable Interventional

Proton Particle Therapy for Cardiac Arrhythmia

NCT04392193
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Proton Particle Therapy
Radiation
Lead sponsor
Konstantinos Siontis
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Not applicable Interventional

CyberHeart's Cardiac Arrhythmia Ablation Treatment: Patients With Refractory Ventricular Tachycardia/Fibrillation

NCT02661048
View directory record Official record
Conditions
Tachycardia, Ventricular
Interventions
CyberHeart System
Device
Lead sponsor
Varian, a Siemens Healthineers Company
Industry
Eligibility
60 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Jul 21, 2026, 11:23 AM EDT
Terminated Not applicable Interventional

Arterial Stiffness and Atrial Fibrillation

NCT04160663
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Carotid Ultrasound
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 95 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 16, 2023 · Synced Jul 21, 2026, 11:23 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Safety and Efficacy Study of Amniotic Membrane Patch to Treat Postoperative Atrial Fibrillation

NCT02193321
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Amniotic Membrane Patch
Biological
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 1, 2015 · Synced Jul 21, 2026, 11:23 AM EDT
Recruiting Not applicable Interventional

Full-Avoidance vs. Permissive/Regulated Drinking & Outcomes On Fibrillation

NCT06754176
View directory record Official record
Conditions
Atrial Fibrillation (AF), Atrial Fibrillation (Paroxysmal)
Interventions
Alcohol Consumption Randomized Instructions
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Jul 21, 2026, 11:23 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Pulmonary Vein Isolation To Reduce Future Risk Of Atrial Fibrillation In Patients Undergoing Typical Flutter

NCT01710150
View directory record Official record
Conditions
Typical Atrial Flutter, Risk Factors With Future Development of Atrial Flutter
Interventions
CTI ablation alone, CTI ablation and Pulmonary vein isolation (PVI)
Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Not applicable Interventional

Implementing Digital Health in a Learning Health System

NCT03713333
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension, Heart Failure, Atrial Fibrillation, Metabolic Syndrome, Genetic Disease
Interventions
Digital Health Device Diagnostics
Diagnostic Test
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Jul 21, 2026, 11:23 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

ECG Validation Study

NCT05445726
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
CPM Device
Device
Lead sponsor
Analog Device, Inc.
Other
Eligibility
18 Years and older
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Jul 21, 2026, 11:23 AM EDT
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 5, 2023 · Synced Jul 21, 2026, 11:23 AM EDT
Recruiting Not applicable Interventional

The Fourth Left Atrial Appendage Occlusion Study

NCT05963698
View directory record Official record
Conditions
Atrial Fibrillation, Stroke, Ischemic, Systemic Embolism
Interventions
WATCHMAN device
Device
Lead sponsor
Hamilton Health Sciences Corporation
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
50
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Fountain Valley, California + 45 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 21, 2026, 11:23 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 19, 2012 · Synced Jul 21, 2026, 11:23 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac Arrhythmias

NCT02413450
View directory record Official record
Conditions
Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS), Brugada Syndrome (BrS), Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT), Early Repolarization Syndrome (ERS), Arrhythmogenic Cardiomyopathy (AC, ARVD/C), Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Muscular Dystrophies (Duchenne, Becker, Myotonic Dystrophy), Normal Control Subjects
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2031
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Not applicable Interventional Results available

AV Delay Optimization vs. Intrinsic Conduction in Pacemaker Patients With Long PR Intervals

NCT02154750
View directory record Official record
Conditions
Atrioventricular Block, Sick Sinus Syndrome, Symptomatic Bradycardia, Cardiac Arrhythmia
Interventions
Long, fixed AV delay, Short, optimized AV delay
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Not applicable Interventional Results available

Long-term Cardiac Monitoring After Cryptogenic Stroke (CMACS)

NCT00932425
View directory record Official record
Conditions
Stroke
Interventions
Cardionet Mobile Cardiac Outpatient Telemetry (MCOT)
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 26, 2015 · Synced Jul 21, 2026, 11:23 AM EDT
Withdrawn No phase listed Observational

Effects of Left Atrial Appendage Occlusion

NCT00510900
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 4, 2016 · Synced Jul 21, 2026, 11:23 AM EDT
Completed No phase listed Observational

Study Watch AF Detection At Home

NCT04546763
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Study Watch, Zio XT
Device
Lead sponsor
Verily Life Sciences LLC
Industry
Eligibility
22 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
5
States / cities
San Diego, California • Lakewood, Colorado • Southfield, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Phase 4 Interventional Results available

Efficacy of Optison Echo Contrast to Detect Thrombus in Left Atrial Appendage

NCT01721447
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Optison echocardiography contrast agent
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Jul 21, 2026, 11:23 AM EDT
Completed No phase listed Observational

Neuromodulation to Facilitate the Effect of Ketamine

NCT01816958
View directory record Official record
Conditions
Depression, Chronic Pain, Substance Abuse
Interventions
co-administration of TMS and infused ketamine
Other
Lead sponsor
The Neuroscience Center, LLC
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Deerfield, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 21, 2013 · Synced Jul 21, 2026, 11:23 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 15, 2018 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Sodium's Effect on Urinary Sodium and Dopamine Excretion in Patients With Postural Tachycardia Syndrome

NCT01563107
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
Plasma Volume, Exercise Capacity Test - Bicycle, Posture Study
Radiation · Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 24, 2022 · Synced Jul 21, 2026, 11:23 AM EDT
Terminated Not applicable Interventional Results available

ECGi Ibutilide: Effect of Ibutilide on AF Source Location and Organization

NCT03370536
View directory record Official record
Conditions
Atrial Fibrillation, Persistent Atrial Fibrillation
Interventions
CardioInsight ECGI Mapping System, AF ablation, Ibutilide
Device · Procedure · Drug
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2020 · Synced Jul 21, 2026, 11:23 AM EDT