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ClinicalTrials.gov public records Last synced Oct 2, 2026, 6:33 AM EDT

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Showing 25–48 of 1,562 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Arrythmia, Cardiac Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Electrocardiogram Clinical Validation Study

NCT03492554
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
1-Lead ECG, 12-Lead ECG
Other · Device
Lead sponsor
Apple Inc.
Industry
Eligibility
22 Years and older
Enrollment
602 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
5
States / cities
Miami, Florida • Orlando, Florida • The Villages, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 2, 2026, 6:33 AM EDT
Terminated No phase listed Observational Results available

Optisure Lead Post Approval Study

NCT02235545
View directory record Official record
Conditions
Heart Failure, Tachycardia, Ventricular
Interventions
St. Jude Medical Optisure Lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,735 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
46
States / cities
Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 42 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 2, 2026, 6:33 AM EDT
Completed No phase listed Observational

Identification of Genetic Markers for Cardiopulmonary Diseases (Genotype)

NCT00616369
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
15 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 11, 2016 · Synced Oct 2, 2026, 6:33 AM EDT
Terminated Phase 3 Interventional Results available

Study of Amiodarone Given Before Lung Surgery to Prevent Atrial Fibrillation After Lung Resection

NCT00300495
View directory record Official record
Conditions
Atrial Fibrillation, Lung Cancer
Interventions
Amiodarone, Control arm, standard care
Drug · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 28, 2017 · Synced Oct 2, 2026, 6:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sleep Apnea and Hypertrophic Cardiomyopathy (HCM)

NCT03327623
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Oct 2, 2026, 6:33 AM EDT
Completed No phase listed Observational Results available

LBBAP Data Collection Registry

NCT05887323
View directory record Official record
Conditions
Bradycardia, Sinus Node Dysfunction, Heart Block, Syncope, Cardiomyopathies, Heart Failure
Interventions
Implantation of the Tendril 2088 lead in the LBBA
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
5
States / cities
Jonesboro, Arkansas • Rancho Mirage, California • Pensacola, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 2, 2026, 6:33 AM EDT
Terminated Phase 2 Interventional Results available

Long-term, Open-label Follow-up Treatment of Patients With A-fib Who Have Been Previously Treated With BIBR 1048

NCT00157248
View directory record Official record
Conditions
Atrial Fibrillation, Stroke
Interventions
dabigatran etexilate
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
12
States / cities
La Mesa, California • Pensacola, Florida • Port Charlotte, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Oct 2, 2026, 6:33 AM EDT
Not listed No phase listed Observational

Cognitive Impairment in Atrial Fibrillation

NCT01816308
View directory record Official record
Conditions
Atrial Fibrillation, Mild Cognitive Impairment, Dementia
Interventions
Not listed
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
50 Years to 75 Years
Enrollment
888 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Oct 2, 2026, 6:33 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Positron Emission Tomography (PET) Imaging of Thrombosis

NCT03830320
View directory record Official record
Conditions
Atrial Fibrillation, COVID-19, Cancer, Thrombosis
Interventions
[64Cu]FBP8, PET/MR, Blood Collection, Electrocardiogram
Drug · Device · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 2, 2026, 6:33 AM EDT
Completed Not applicable Interventional Results available

The LEADLESS II IDE Study for the Nanostim Leadless Pacemaker

NCT02030418
View directory record Official record
Conditions
Bradycardia
Interventions
Leadless Pacemaker
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
952 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
50
States / cities
Birmingham, Alabama • Huntsville, Alabama • La Jolla, California + 43 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Oct 2, 2026, 6:33 AM EDT
Not listed No phase listed Observational

Prospective Monitoring of Non-Vitamin K Oral Anticoagulants in Older Adults With Atrial Fibrillation and Frailty

NCT04878497
View directory record Official record
Conditions
Atrial Fibrillation, Frailty, Anticoagulant-induced Bleeding, Stroke
Interventions
Warfarin, Dabigatran, Rivaroxaban, Apixaban, Edoxaban
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 7, 2021 · Synced Oct 2, 2026, 6:33 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Specialized Pacing for Patients With Congenital Heart Disease

NCT03361189
View directory record Official record
Conditions
Congenital Heart Disease, Bradycardia Sinus
Interventions
Closed loop stimulation, Standard rate response
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2023 · Synced Oct 2, 2026, 6:33 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Study of Erythromycin in GER-Associated Apnea of the Newborn

NCT01825473
View directory record Official record
Conditions
Gastroesophageal Reflux, Apnea, Bradycardia
Interventions
Erythromycin, Multi-channel intra-luminal impedance (MII) pH monitoring, Placebo (D5W)
Drug · Device
Lead sponsor
University of Virginia
Other
Eligibility
14 Days and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 5, 2013 · Synced Oct 2, 2026, 6:33 AM EDT
Recruiting No phase listed Observational

The Dynamics of Human Atrial Fibrillation

NCT05366361
View directory record Official record
Conditions
Atrial Fibrillation, Arrhythmias, Cardiac
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
22 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 2, 2026, 6:33 AM EDT
Not yet recruiting Not applicable Interventional

A Study to Predict Atrial Fibrillation (AF) Burden in Participants With PAF and PsAF Treated With the VARIPULSE™ PFA Catheter

NCT07788989
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
VARIPULSE Catheter System (PVI), VARIPULSE Catheter System (PVI and PWI)
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
2,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 2, 2026, 6:33 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Controlling Rapid Atrial Fibrillation With Dexmedetomidine

NCT04042727
View directory record Official record
Conditions
Rapid Atrial Fibrillation, Heart Rate Control
Interventions
Dexmedetomidine Hydrochloride, Normal Saline
Drug · Other
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Oct 2, 2026, 6:33 AM EDT
Completed Not applicable Interventional

Prematurity Related Ventilatory Control (PRE-VENT) - Specific Aim 2

NCT03333161
View directory record Official record
Conditions
Infant,Premature
Interventions
Cardiorespiratory monitoring
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 15 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 21, 2021 · Synced Oct 2, 2026, 6:33 AM EDT
Completed Phase 3 Interventional

Study of RSD1235 to Evaluate Safety in Patients With Atrial Fibrillation

NCT00281554
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
RSD1235
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
18 Years and older
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
10
States / cities
Huntsville, Alabama • Atlanta, Georgia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2008 · Synced Oct 2, 2026, 6:33 AM EDT
Completed No phase listed Observational

EASYER (EpiAccess SYstem Registry) A Post Market Observational Registry

NCT02481102
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
Not listed
Lead sponsor
EpiEP, Inc.
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
3
States / cities
New York, New York • Philadelphia, Pennsylvania • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Oct 2, 2026, 6:33 AM EDT
Completed No phase listed Observational Results available

Philips Intracardiac Echocardiography (ICE) Clinical Registry

NCT04950192
View directory record Official record
Conditions
Atrial Fibrillation, Stroke, Valve Disease, Heart, Atrial Septal Defect, Patent Foramen Ovale, Mitral Valve Disease, Tricuspid Valve Disease, Aortic Valve Disease
Interventions
ICE Image guidance
Device
Lead sponsor
Philips Clinical & Medical Affairs Global
Industry
Eligibility
18 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
5
States / cities
Aurora, Colorado • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Oct 2, 2026, 6:33 AM EDT
Completed Not applicable Interventional

Screening for Atrial Fibrillation in Native AmeRicans Using iPhone ECG

NCT03740477
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
ECG
Diagnostic Test
Lead sponsor
University of Oklahoma
Other
Eligibility
50 Years to 100 Years
Enrollment
1,019 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 2, 2026, 6:33 AM EDT
Completed Not applicable Interventional Results available

Dexmedetomidine and Adenosine: Therapeutic Use for SVT

NCT01495481
View directory record Official record
Conditions
Supraventricular Tachycardia
Interventions
Dexmedetomidine, Adenosine
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
5 Years to 30 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Oct 2, 2026, 6:33 AM EDT
Completed No phase listed Observational

Comparison of Continuous Sternal ECG Patch Monitors (Carnation and Zio) Trial

NCT02952781
View directory record Official record
Conditions
Syncope, Presyncope, Atrial Fibrillation, Supraventricular Tachycardia
Interventions
EKG Patch monitors (Zio and Carnation)
Device
Lead sponsor
EvergreenHealth
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kirkland, Washington
Source: ClinicalTrials.gov public record
Updated Mar 7, 2017 · Synced Oct 2, 2026, 6:33 AM EDT
Completed Not applicable Interventional Results available

Transcutaneous (Tragus) Vagal Nerve Stimulation for Post-op Afib

NCT04514757
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
active tVNS, sham tVNS
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 80 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Los Angeles, California • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 2, 2026, 6:33 AM EDT