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ClinicalTrials.gov public records Last synced May 21, 2026, 11:49 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 137 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cardiac Pacemaker Clear all
Completed Not applicable Interventional
View directory record Official record
Conditions
Heart Failure, Dilated Cardiomyopathy
Interventions
PITA
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced May 21, 2026, 11:49 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, 11:49 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Bradycardia, Sudden Cardiac Arrest
Interventions
Remote Implant Support Capability
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced May 21, 2026, 11:49 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Left Branch Bundle Block, RV - Right Ventricular Abnormality
Interventions
Pacemaker Interrogation and Electrocardiogram (ECG):, Cardiopulmonary Exercise Test (CPET) and Exercise Stress Cardiac Magnetic Resonance (ExeCMR, Continuous pacemaker telemetry (CPT)
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced May 21, 2026, 11:49 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Pacemaker, Bradycardia
Interventions
Pacemaker
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
950 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
27
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • North Little Rock, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2007 · Synced May 21, 2026, 11:49 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Dilated Cardiomyopathy, Pediatric
Interventions
congestive heart failure patients
Other
Lead sponsor
Emory University
Other
Eligibility
1 Day to 18 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 9, 2013 · Synced May 21, 2026, 11:49 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Sinus Node Dysfunction
Interventions
Reprogramming dual chamber pacemaker
Device
Lead sponsor
Arun Rao
Other
Eligibility
60 Years to 95 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Kingsport, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced May 21, 2026, 11:49 PM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Heart Diseases
Interventions
Rate adaptive pacemaker
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
566 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Jonesboro, Arkansas • Davenport, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced May 21, 2026, 11:49 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
37,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced May 21, 2026, 11:49 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Heart Failure, Congestive, Cardiac Pacemaker, Artificial
Interventions
Not listed
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
5
States / cities
Saint Joseph, Missouri • Elmer, New Jersey • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2010 · Synced May 21, 2026, 11:49 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Atrial Fibrillation, Stroke, Heart Failure
Interventions
Diagnostic
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
3,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
92
States / cities
Mesa, Arizona • Tucson, Arizona • Fountain Valley, California + 89 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2008 · Synced May 21, 2026, 11:49 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Congenital Disorder
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
19 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced May 21, 2026, 11:49 PM EDT
Withdrawn Phase 2 Interventional
View directory record Official record
Conditions
Patent Foramen Ovale, Cardiac Implantable Electronic Device
Interventions
Apixaban, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced May 21, 2026, 11:49 PM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Dronedarone, Placebo (for Dronedarone)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
21 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
92
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 79 more
Source: ClinicalTrials.gov public record
Updated Apr 10, 2013 · Synced May 21, 2026, 11:49 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Syncope, Heart Block, Conduction Disorder of the Heart
Interventions
pacemaker, implantable loop recorder
Procedure
Lead sponsor
Canadian Institutes of Health Research (CIHR)
Government
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced May 21, 2026, 11:49 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Sick Sinus Syndrome, Heart Failure, Congestive, Atrial Fibrillation, Bradycardia, Ventricular Dysfunction
Interventions
Implantable Pulse Generators
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,070 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
63
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Conway, Arkansas + 60 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2008 · Synced May 21, 2026, 11:49 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Cardiac Pacing, Right Ventricular Pacing, Left Ventricular Ejection Fraction
Interventions
Medtronic or Vitatron Dual-Chamber Pacemaker, Medtronic SelectSecure 3830 Lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
10
States / cities
Des Moines, Iowa • Silver Spring, Maryland • Southfield, Michigan + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2018 · Synced May 21, 2026, 11:49 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Atrioventricular Block, Heart Diseases
Interventions
Cardiac Resynchronization Therapy (CRT)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
918 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
51
States / cities
Anchorage, Alaska • Peoria, Arizona • Little Rock, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2014 · Synced May 21, 2026, 11:49 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Heart Block, Bradycardia, Tachycardia, Arrhythmia
Interventions
MP3
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
4 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 27, 2009 · Synced May 21, 2026, 11:49 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Heart Failure With a Preserved Ejection Fraction, Heart Failure, Diastolic, Chronotropic Incompetence
Interventions
Rate adaptive atrial pacing using a dual-chamber pacemaker, Pacemaker system will be implanted but set to Pacing Off.
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced May 21, 2026, 11:49 PM EDT
Terminated Phase 2Phase 3 Interventional Results available
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 19, 2023 · Synced May 21, 2026, 11:49 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Bradycardia, Sinus Node Dysfunction
Interventions
INGEVITY lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
44
States / cities
Gilbert, Arizona • Glendale, Arizona • Tucson, Arizona + 39 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced May 21, 2026, 11:49 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Atrial Fibrillation, Tachycardia, Supraventricular, Arrhythmia, Bradycardia
Interventions
Intervention Pacing Features
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
34
States / cities
Little Rock, Arkansas • Rancho Mirage, California • San Diego, California + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2012 · Synced May 21, 2026, 11:49 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Atrial Fibrillation, Stroke
Interventions
Apixaban, aspirin
Drug
Lead sponsor
Population Health Research Institute
Other
Eligibility
55 Years and older
Enrollment
4,012 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
23
States / cities
Mesa, Arizona • Little Rock, Arkansas • Larkspur, California + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced May 21, 2026, 11:49 PM EDT