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ClinicalTrials.gov public records Last synced May 21, 2026, 5:33 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 1,550 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cardiac Arrhythmia Clear all
Completed No phase listed Observational
View directory record Official record
Conditions
Cardiac Rhythm Disorder
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
118
States / cities
Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 115 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced May 21, 2026, 5:33 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Multi-Electrode RF Balloon Catheter
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
397 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
37
States / cities
Phoenix, Arizona • Los Angeles, California • Newport Beach, California + 32 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced May 21, 2026, 5:33 PM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Catheter ablation
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced May 21, 2026, 5:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Arrhythmia
Interventions
GAP-134
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 50 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2008 · Synced May 21, 2026, 5:33 PM EDT
Recruiting Phase 4 Interventional
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Ondansetron 8mg, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 100 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
3
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced May 21, 2026, 5:33 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Bradycardia
Interventions
Micra Pacemaker Implant
Device
Lead sponsor
Medtronic
Industry
Eligibility
18 Years and older
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
29
States / cities
Los Angeles, California • New Haven, Connecticut • Jacksonville, Florida + 25 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2018 · Synced May 21, 2026, 5:33 PM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Left Atrial Appendage Occlusion
Procedure
Lead sponsor
American College of Cardiology
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced May 21, 2026, 5:33 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Left Atrial Appendage Exclusion
Interventions
AtriCure LAA Exclusion System
Device
Lead sponsor
AtriCure, Inc.
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
7
States / cities
Macon, Georgia • Indianapolis, Indiana • Grand Rapids, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced May 21, 2026, 5:33 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Deferoxamine, Deferasirox, Deferiprone, Echocardiography, Electrocardiogram (ECG)
Drug · Device
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Fairfax, Virginia • Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced May 21, 2026, 5:33 PM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Obstructive Sleep Apnea, Atrial Fibrillation
Interventions
Cardiac Ablation for Atrial Fibrillation
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated May 23, 2022 · Synced May 21, 2026, 5:33 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Bradycardia
Interventions
Pacing Lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
0 Years and older
Enrollment
365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
26
States / cities
Anchorage, Alaska • Peoria, Arizona • Long Beach, California + 23 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2006 · Synced May 21, 2026, 5:33 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Internal Cardioversion, External Cardioversion
Procedure
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 99 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced May 21, 2026, 5:33 PM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced May 21, 2026, 5:33 PM EDT
Completed Not applicable Interventional Results available
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 May 21, 2026, 5:33 PM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
MyTAP oral appliance plus mouth shield
Device
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced May 21, 2026, 5:33 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Self-regulation, Respiratory Sinus Arrhythmia
Interventions
Mom Power Intervention
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 3, 2021 · Synced May 21, 2026, 5:33 PM EDT
Terminated No phase listed Observational Results available
View directory record Official record
Conditions
Neonates
Interventions
Not listed
Lead sponsor
GE Healthcare
Industry
Eligibility
23 Weeks to 6 Months
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced May 21, 2026, 5:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Torsades de Pointes
Interventions
VI-0521
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
19 Years to 50 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 20, 2010 · Synced May 21, 2026, 5:33 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
Dobutamine
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced May 21, 2026, 5:33 PM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
Catecholaminergic Polymorphic Ventricular Tachycardia
Interventions
SGT-501
Drug
Lead sponsor
Solid Biosciences Inc.
Industry
Eligibility
7 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
4
States / cities
Boston, Massachusetts • Rochester, Minnesota • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced May 21, 2026, 5:33 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Heart Failure, Left Bundle-Branch Block
Interventions
Mapping and Pacing the His Bundle, Placing a guidewire in Coronary sinus for measurement of Q-LV during His Bundle pacing or, if needed, for LV pacing
Procedure
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced May 21, 2026, 5:33 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Cardiac Rhythm Disorder, Bradycardia
Interventions
Aveir VR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
38
States / cities
Birmingham, Alabama • Huntsville, Alabama • Scottsdale, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 21, 2026, 5:33 PM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Atrial Fibrillation and Flutter
Interventions
Comprehensive ED AF management tool
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
16
States / cities
Antioch, California • Fremont, California • Manteca, California + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced May 21, 2026, 5:33 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Premature Atrial Complex, Premature Ventricular Contraction
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced May 21, 2026, 5:33 PM EDT