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ClinicalTrials.gov public records Last synced Jun 26, 2026, 1:59 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Heart Rhythm Disorder Clear all
Terminated Not applicable Interventional Results available

Stepwise Approach To sUbstrate Modification for Ventricular Tachycardia

NCT01546207
View directory record Official record
Conditions
Ventricular Tachycardia, Catheter Ablation, Tachycardia, Ventricular
Interventions
catheter-based ablation
Procedure
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years to 90 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
6
States / cities
Birmingham, Alabama • Maywood, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Jun 26, 2026, 1:59 PM EDT
Withdrawn Phase 4 Interventional

Anticoagulation in AF Ablation and Effects on Neurocognitive Function

NCT02120560
View directory record Official record
Conditions
Atrial Fibrillation, Cerebrothromboembolus, Neurocognitive Function
Interventions
Atrial Fibrillation Ablation
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2014 · Synced Jun 26, 2026, 1:59 PM EDT
Recruiting No phase listed Observational

Product Performance Report: Evaluate Long-term Reliability & Performance of Medtronic Marketed Cardiac Therapy Products

NCT00271180
View directory record Official record
Conditions
Arrhythmia, Bradycardia, Heart Failure, Sinus Tachycardia
Interventions
Device
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1983 – 2040
U.S. locations
113
States / cities
Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 110 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Jun 26, 2026, 1:59 PM EDT
Completed No phase listed Observational

Novel Cardiac Signal Processing System

NCT04112433
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
PURE EP 2
Device
Lead sponsor
BioSig Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
3
States / cities
Jacksonville, Florida • Boston, Massachusetts • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2022 · Synced Jun 26, 2026, 1:59 PM EDT
Active, not recruiting No phase listed Observational

BAsel Syncope EvaLuation (BASEL IX) Study

NCT01548352
View directory record Official record
Conditions
Syncope
Interventions
Not listed
Lead sponsor
University Hospital, Basel, Switzerland
Other
Eligibility
40 Years and older
Enrollment
3,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Jun 26, 2026, 1:59 PM EDT
Completed Not applicable Interventional

Electronic Alerts for Stroke Prevention in Atrial Fibrillation

NCT02958943
View directory record Official record
Conditions
Atrial Fibrillation, Stroke
Interventions
On-screen electronic alert
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
798 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 7, 2022 · Synced Jun 26, 2026, 1:59 PM EDT
Terminated Not applicable Interventional

Posterior Wall Substrate Modification Using Irreversible Electroporation for Paroxysmal Atrial Fibrillation

NCT06364215
View directory record Official record
Conditions
Atrial Fibrillation Paroxysmal
Interventions
Farapulse PFA, Pulmonary Vein Isolation alone, Farapulse PFA, Pulmonary Vein Isolation and Left atrial Posterior Wall Isolation
Device
Lead sponsor
Jorge Romero
Other
Eligibility
21 Years to 90 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
18
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jun 26, 2026, 1:59 PM EDT
Completed Not applicable Interventional Results available

Ambulatory Post-Syncope Arrhythmia Protection Feasibility Study

NCT02188147
View directory record Official record
Conditions
Syncope
Interventions
Short Term Wearable Defibrillator
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
6
States / cities
Danbury, Connecticut • Jacksonville, Florida • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Jun 26, 2026, 1:59 PM EDT
Terminated Not applicable Interventional

Safety and Efficacy Study of the Combined Ablation Procedure to Treat Paroxysmal Atrial Fibrillation

NCT01103674
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Numeris®-AF Guided Coagulation System with VisiTrax®
Device
Lead sponsor
nContact Surgical Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Memphis, Tennessee • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2014 · Synced Jun 26, 2026, 1:59 PM EDT
Terminated No phase listed Observational

Data Collection and Analysis of Patients Who Have Had an Electrophysiological Procedure

NCT00825968
View directory record Official record
Conditions
Heart Disease, Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Emile Daoud
Other
Eligibility
18 Years and older · Female only
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 19, 2011 · Synced Jun 26, 2026, 1:59 PM EDT
Completed Not applicable Interventional Results available

Boston Scientific's Cryoballoon in the Treatment of Symptomatic Drug Refractory Paroxysmal Atrial Fibrillation

NCT04133168
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Boston Scientific Cardiac Cryoablation System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
458 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
30
States / cities
Phoenix, Arizona • Tucson, Arizona • Jonesboro, Arkansas + 25 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Jun 26, 2026, 1:59 PM EDT
Terminated No phase listed Observational Results available

OMNI Study--Assessing Therapies in Medtronic Pacemaker, Defibrillator, and Cardiac Resynchronization Therapy Devices.

NCT00277524
View directory record Official record
Conditions
Tachycardia, Ventricular, Heart Failure, Congestive, Ventricular Fibrillation, Ventricular Dysfunction, Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
3,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
113
States / cities
Tucson, Arizona • Little Rock, Arkansas • Fresno, California + 107 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2013 · Synced Jun 26, 2026, 1:59 PM EDT
Completed Not applicable Interventional

Optimal Coronary Sinus Lead Implantation Using Intracardiac Impedography and Magnetic Resonance Imaging

NCT01129635
View directory record Official record
Conditions
Heart Failure, Systolic, Left Bundle Branch Block
Interventions
Cardiac Resynchronization Therapy (CRT) implantation
Procedure
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2015 · Synced Jun 26, 2026, 1:59 PM EDT
Withdrawn No phase listed Observational

Verily Watch Cardio (AF and ECG) Study

NCT06041373
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Verily Watch Cardio, iRhythm Zio monitor, Schiller CARDIOVIT FT-1
Device
Lead sponsor
Verily Life Sciences LLC
Industry
Eligibility
22 Years and older
Timeline
2023 – 2024
U.S. locations
3
States / cities
Lakewood, Colorado • Southfield, Michigan • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced Jun 26, 2026, 1:59 PM EDT
Completed Phase 1 Interventional

Methadone Pharmacokinetics and Cardiac Effects in Newborns

NCT00715988
View directory record Official record
Conditions
Pain
Interventions
Methadone HCl Inject 10 mg/ml (will require dilution), Methadone
Drug
Lead sponsor
University of Utah
Other
Eligibility
29 Weeks to 48 Weeks
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Jun 26, 2026, 1:59 PM EDT
Terminated Phase 3 Interventional

Guidant Microwave Ablation System for the Treatment of Atrial Fibrillation

NCT00111488
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Flex 4 and Generator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
21
States / cities
La Jolla, California • Long Beach, California • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2016 · Synced Jun 26, 2026, 1:59 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Sparsity-based Magnetic Resonance Imaging of Cardiac Arrhythmias

NCT02741180
View directory record Official record
Conditions
Cardiac Arrythmias
Interventions
3D Imaging, Late Gadolinium Enhancement (LGE)
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
10 Years to 85 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Jun 26, 2026, 1:59 PM EDT
Withdrawn Phase 4 Interventional

Study to Evaluate the Effectiveness of SGB in Preventing Post-op Atrial Fibrillation

NCT03269383
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Bupivacaine, Saline
Drug · Other
Lead sponsor
Christopher Connors, MD
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Jun 26, 2026, 1:59 PM EDT
Withdrawn Phase 2 Interventional

Cardiac Surgery and the Risk of Atrial Fibrillation: an Intervention Trial Evaluating Melatonin

NCT02099331
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Melatonin, Placebo (for Melatonin)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Jun 26, 2026, 1:59 PM EDT
Terminated Not applicable Interventional

Effect of Oral Appliance Therapy on Atrial Fibrillation

NCT03835429
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 Jun 26, 2026, 1:59 PM EDT
Completed Phase 4 Interventional Results available

Pharmacodynamic Effects of Low-dose Rivaroxaban With Antiplatelet Therapies

NCT03718429
View directory record Official record
Conditions
Coronary Artery Disease, Peripheral Arterial Disease, Atrial Fibrillation
Interventions
Rivaroxaban 2.5 mg Tablet
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 26, 2022 · Synced Jun 26, 2026, 1:59 PM EDT
Terminated Not applicable Interventional

Adaptive Cardiac Resynchronization Therapy in Patients With RBBB

NCT05936294
View directory record Official record
Conditions
Right Bundle-Branch Block
Interventions
Optimization of CRT Device
Diagnostic Test
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 89 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Little Rock, Arkansas • Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 6, 2023 · Synced Jun 26, 2026, 1:59 PM EDT
Terminated Not applicable Interventional Results available

CONcomitant eValuation of Epicor Left atRial Therapy for AF

NCT00519194
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Epicor LP Cardiac Ablation System, Surgical ablation of permanent AF
Device · Procedure
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 80 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
15
States / cities
Fresno, California • Bradenton, Florida • Pensacola, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2019 · Synced Jun 26, 2026, 1:59 PM EDT