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Showing 1–24 of 986 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Atrial 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, 11:24 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, 11:24 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, 11:24 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Withdrawn Phase 1Phase 2 Interventional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, 11:24 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, 11:24 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, 11:24 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, 11:24 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, 11:24 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, 11:24 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, 11:24 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, 11:24 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, 11:24 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, 11:24 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, 11:24 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, 11:24 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, 11:24 AM EDT
Completed No phase listed Observational

Comparison of QT Interval Readings Between Smartwatch Combined With Cardiologs Artificial Intelligence and 12-lead ECG

NCT05161065
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Cardiologs
Device
Lead sponsor
Cardiologs Technologies
Industry
Eligibility
22 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced Jul 21, 2026, 11:24 AM EDT
Recruiting Phase 4 Interventional

Pharmacogenetic Study of Antiarrhythmic Drugs for Atrial Fibrillation

NCT02347111
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Flecainide, Sotalol
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 100 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
4
States / cities
Chicago, Illinois • Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 23, 2025 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Phase 2 Interventional Results available

A Dose-range Finding Study of MAA868 in Patients With Atrial Fibrillation

NCT04213807
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
MAA868 Cohort 1, MAA868 Cohort 2, MAA868 Cohort 3, Placebo
Biological · Other
Lead sponsor
Anthos Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
6
States / cities
Beverly Hills, California • Wichita, Kansas • Alexandria, Louisiana + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Phase 4 Interventional

A Pilot Investigation Detecting Cryoablation Scar by 3D Late Gadolinium Enhancement

NCT02875730
View directory record Official record
Conditions
Atrial Fibrillation, Cryoablation
Interventions
Pulse Sequence, CMRI
Procedure
Lead sponsor
Aspire Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 28, 2018 · Synced Jul 21, 2026, 11:24 AM EDT
Withdrawn Phase 3 Interventional

Vitamin C and Atrial Fibrillation After Cardiac Surgery

NCT01580683
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Ascorbic Acid, Identical Placebo
Drug · Other
Lead sponsor
Regional Hospital of Scranton
Other
Eligibility
50 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Scranton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 12, 2015 · Synced Jul 21, 2026, 11:24 AM EDT
Terminated Phase 1 Interventional Results available

Ascending Dose Study of OPC-108459 Intravenous Infusions in Patients With Paroxysmal and Persistent Atrial Fibrillation

NCT01483183
View directory record Official record
Conditions
Atrial Fibrillation, Paroxysmal Atrial Fibrillation, Persistent Atrial Fibrillation
Interventions
OPC-108459, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
9
States / cities
Washington D.C., District of Columbia • Hollywood, Florida • Jacksonville, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2017 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Not applicable Interventional Results available

Dual Epicardial Endocardial Persistent Atrial Fibrillation (AF) Study

NCT01246466
View directory record Official record
Conditions
Persistent Atrial Fibrillation, Longstanding Persistent Atrial Fibrillation
Interventions
Hybrid: AtriCure Bipolar System & EP ablation procedure
Device
Lead sponsor
AtriCure, Inc.
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
5
States / cities
Stanford, California • Nashville, Tennessee • Plano, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2021 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational

Eliminate Thromboembolism: Improving Anticoagulation in Non-valvular Atrial Fibrillation Patients

NCT02461602
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
251 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
21
States / cities
Pasadena, California • Coral Springs, Florida • Port Charlotte, Florida + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced Jul 21, 2026, 11:24 AM EDT