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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Arrhythmias Clear all
Terminated No phase listed Observational

A Study to Quantify Use of Anticoagulation to Improve Management of Atrial Fibrillation

NCT03382613
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
40 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
62
States / cities
Glendale, Arizona • Mesa, Arizona • Phoenix, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2019 · Synced Jun 10, 2026, 8:19 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Withdrawn No phase listed Observational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 10, 2026, 8:19 PM EDT
Completed Not applicable Interventional

Correlating QLV Interval to Left Ventricular (LV) Lead Position in Patients Receiving Cardiac Resynchronization Therapy.

NCT02166762
View directory record Official record
Conditions
Heart Failure, Cardiomyopathy, Cardiac Arrhythmia
Interventions
QLV interval measurement
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Not applicable Interventional

The Effect of Posterior Pericardiotomy on the Incidence of Atrial Fibrillation After Cardiac Surgery

NCT02875405
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Posterior left pericardiotomy
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2021 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Phase 4 Interventional

Reduce Ventricular Pacing in Dual Chamber Implantable Cardioverter Defibrillators Using AutoIntrinsic Conduction Search Study

NCT00187239
View directory record Official record
Conditions
Arrhythmia
Interventions
Autointrinsic Conduction Search Algorithm
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Pomona, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Jun 10, 2026, 8:19 PM EDT
Completed No phase listed Observational

A Retrospective Analysis of the Use of ACE-inhibitors and Angiotensin Receptor Blockers

NCT00321945
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
ACE-Inhibitors and Angiotensin Receptor Blockers
Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
3
States / cities
Atlanta, Georgia • Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 26, 2013 · Synced Jun 10, 2026, 8:19 PM EDT
Recruiting Not applicable Interventional

Safety and Effectiveness of Pulmonary Vein isOLation And posterioR Wall Ablation wIth pulSed Field Energy in Patients With Paroxysmal and Persistent AF

NCT06099730
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Pulsed Field Ablation (PFA)
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
442 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
6
States / cities
Jonesboro, Arkansas • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jun 10, 2026, 8:19 PM EDT
Not listed Phase 3 Interventional

Effect of Remote Ischemic Preconditioning on Incidence of Atrial Fibrillation in Patients Undergoing Coronary Artery Bypass Graft Surgery

NCT01500369
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
sphygmomanometer cuff inflations, standard of care
Other
Lead sponsor
Baystate Medical Center
Other
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2013 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Not applicable Interventional Results available

PREFER (Pacemaker Remote Follow-Up Evaluation and Review)

NCT00294645
View directory record Official record
Conditions
Bradycardia, Arrhythmia
Interventions
Transtelephonic monitoring (TTM), Medtronic CareLink® Network
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
980 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
45
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • Washington D.C., District of Columbia + 42 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2010 · Synced Jun 10, 2026, 8:19 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

AI-guided Prediction and Treatment of Cardiac Arrest

NCT07452016
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
Machine learning-guided cardiac arrest prediction device
Device
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jun 10, 2026, 8:19 PM EDT
Recruiting Phase 4 Interventional

Adenosine vs Diltiazem for Treatment of SVT in the ED

NCT06993038
View directory record Official record
Conditions
Supraventricular Tachycardia (SVT)
Interventions
adenosine, diltiazem
Drug
Lead sponsor
Anne E. Zepeski
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Not applicable Interventional Results available

S-ICD® System IDE Clinical Study

NCT01064076
View directory record Official record
Conditions
Tachycardia, Ventricular
Interventions
S-ICD System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
28
States / cities
Scottsdale, Arizona • Los Angeles, California • Pasadena, California + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2017 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of Dual Therapy With Dabigatran vs. Triple Therapy With Warfarin in Patients With AF That Undergo a PCI With Stenting (REDUAL-PCI)

NCT02164864
View directory record Official record
Conditions
Atrial Fibrillation, Percutaneous Coronary Intervention
Interventions
Dabigatran Etexilate 110mg, Warfarin 3mg, Aspirin, Dabigatran Etexilate 150mg, Clopidogrel or Ticagrelor, Warfarin 5mg, Warfarin 1mg
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
2,725 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
45
States / cities
Birmingham, Alabama • Cottonwood, Arizona • Mesa, Arizona + 41 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Sublingual Atropine Bioequivalence by Route of Administration (SABER)

NCT06366087
View directory record Official record
Conditions
Atropine Bioequivalence
Interventions
Atropine Sulfate Ophthalmic Solution USP, 1%, Atropine Sulfate Injection, USP 8 mg/20 mL (0.4 mg/mL)
Drug
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Jun 10, 2026, 8:19 PM EDT
Terminated Not applicable Interventional Results available

Restrictive Versus Liberal Rate of Extracorporeal Volume Removal Evaluation in Acute Kidney Injury

NCT05306964
View directory record Official record
Conditions
Acute Kidney Injury, Fluid Overload, Hypotension, Dialysis; Complications, Critical Illness
Interventions
Restrictive UFnet Rate Strategy, Liberal UFnet Rate Strategy
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Rochester, Minnesota • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Jun 10, 2026, 8:19 PM EDT
Active, not recruiting No phase listed Observational

The Vanderbilt Atrial Fibrillation Ablation Registry

NCT02404415
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
2,478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Jun 10, 2026, 8:19 PM EDT
Active, not recruiting No phase listed Observational

Abbott Atrial Fibrillation Post Approval Study

NCT05434650
View directory record Official record
Conditions
Atrial Arrhythmia, Atrium; Fibrillation, Atrial Tachycardia
Interventions
electrophysiology study and ablation with an Abbott Ablation Catheter
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
200 participants
Timeline
2022 – 2026
U.S. locations
20
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Rancho Mirage, California + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Phase 4 Interventional Results available

Effectiveness of Pacemaker With Closed Loop Stimulation Compared to Pacemakers With and Without Standard Rate Response

NCT00355797
View directory record Official record
Conditions
Bradycardia
Interventions
Closed Loop Stimulation (CLS), Standard Rate Adaptive (R) Technology, Non-rate adaptive (DDD) pacing
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,491 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
99
States / cities
Albertville, Alabama • Gadsden, Alabama • Jasper, Alabama + 82 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Not applicable Interventional Results available

Intramural Needle Ablation for Ablation of Recurrent Ventricular Tachycardia

NCT01791543
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Intramural Needle Ablation Catheter
Device
Lead sponsor
William Stevenson
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
Boston, Massachusetts • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Phase 4 Interventional Results available

Platelet Transfusion During Neonatal Open Heart Surgery

NCT03045068
View directory record Official record
Conditions
Cardiac Disease, Cardiac Surgery, Cardiopulmonary Bypass, Platelet Transfusion, Arrythmia, Cardiac, Mortality
Interventions
Platelet Transfusion, FFP and Cryoprecipitate, PRBC and cell saver Transfusion, Factor Concentrate (Bebulin)
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
1 Day to 3 Months
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

WIBOFA - Validation of SCT02 With ECG-App for Detection of AF

NCT06351761
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Investigational Device (Withings SCT02) 30 second Electrocardiogram recording, Reference Device (Schiller Cardiovit FT-1) 30 second Electrocardiogram recording
Device
Lead sponsor
Withings
Industry
Eligibility
22 Years and older
Enrollment
373 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Boca Raton, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Jun 10, 2026, 8:19 PM EDT
Completed Not applicable Interventional

Pharmacist Use of ECG to Inform Drug Therapy Decisions for Patients Receiving QT Prolonging Medications

NCT04000542
View directory record Official record
Conditions
Torsades de Pointe Caused by Drug (Disorder), Torsades de Pointes, Qt Interval, Variation in
Interventions
Pharmacist Intervention
Other
Lead sponsor
Northeast Iowa Medical Education Foundation
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Waterloo, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 8, 2020 · Synced Jun 10, 2026, 8:19 PM EDT
Recruiting No phase listed Observational

The Long-term Safety and Effectiveness Evaluation of the QDOT MICRO System Use in Conjunction With VISITAG SURPOINT Module for the Treatment of Symptomatic Drug Refractory Paroxysmal Atrial Fibrillation.

NCT06324201
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Ablation Procedure
Device
Lead sponsor
Heart Rhythm Clinical and Research Solutions, LLC
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
21
States / cities
Birmingham, Alabama • Mobile, Alabama • Ventura, California + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Jun 10, 2026, 8:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Use of MIBG Scan Images in PVC Ablations

NCT02279030
View directory record Official record
Conditions
Premature Ventricular Contractions
Interventions
MIBG nuclear scan
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Jun 10, 2026, 8:19 PM EDT