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ClinicalTrials.gov public records Last synced Oct 21, 2026, 11:18 AM EDT

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Showing 97–120 of 161 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Pacemaker Clear all
Completed No phase listed Observational

Exercise in Chronically Paced Children

NCT00374608
View directory record Official record
Conditions
Congenital Diseases, Complete Heart Block, Pacemaker
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
10 Years to 21 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2012 · Synced Oct 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional Results available

Randomized Study of the Use of Warfarin During Pacemaker or ICD Implantation in Patients Requiring Long Term Anticoagulation

NCT00721136
View directory record Official record
Conditions
Bradycardia, Tachycardia, Atrial Fibrillation, Valvular Heart Disease
Interventions
continue warfarin through the procedure, Hold warfarin, Warfarin held with heparin transition.
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
Baltimore, Maryland • Columbia, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Oct 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional Results available

Remote Device Interrogation In The Emergency Department

NCT01871090
View directory record Official record
Conditions
Heart Disease, Cardiovascular Disease, Heart Failure, Arrhythmias, Cardiac
Interventions
Unpaired remote monitoring transmitter
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Zanesville, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 21, 2026, 11:18 AM EDT
Completed Phase 2 Interventional

Efficacy and Safety Study of an Antiarrhythmic Drug to Treat Atrial Fibrillation in Patients With Pacemakers

NCT00389792
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
ATI-2042, ATI-2042 200 mg
Drug
Lead sponsor
ARYx Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
27
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2009 · Synced Oct 21, 2026, 11:18 AM EDT
Withdrawn Phase 4 Interventional

Remote Interrogation in Rural Emergency Departments

NCT02421549
View directory record Official record
Conditions
Heart Disease, Cardiovascular Disease, Heart Failure, Arrhythmias, Cardiac
Interventions
Unpaired remote monitoring transmitter
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 21, 2026, 11:18 AM EDT
Recruiting No phase listed Observational

Pacemaker and Defibrillator Lead Extraction Registry

NCT03847025
View directory record Official record
Conditions
Lead Extraction Procedures
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Oct 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional

Feasibility Study of Remote Support for Implantable Pulse Generator (IPG)/Implantable Cardioverter Defibrillator (ICD) Implant

NCT01809652
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 24, 2014 · Synced Oct 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study to Evaluate a Prototype Electronic Uterine Inhibitor to Prevent Preterm Contractions

NCT00212446
View directory record Official record
Conditions
Preterm Birth
Interventions
Electrical Intervention (EI)
Device
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 17, 2018 · Synced Oct 21, 2026, 11:18 AM EDT
Completed No phase listed Observational

The Implantable Cardioverter-defibrillators (ICD)/Device Expectations, Adaptations, and Successes Study

NCT01040988
View directory record Official record
Conditions
Depression, Anxiety, Post-traumatic Stress Disorder
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 20 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Oct 21, 2026, 11:18 AM EDT
Completed No phase listed Observational

VIBRANT Registry: Value of Information Based From Pacemaker Recordings and New Technologies

NCT00294034
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 27, 2007 · Synced Oct 21, 2026, 11:18 AM EDT
Completed No phase listed Observational

Safety and Clinical Outcomes of Magnetic Resonance Imaging in Patients With Cardiac Implantable Electrical Devices

NCT03016429
View directory record Official record
Conditions
Cardiac Disease
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
1,169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2022 · Synced Oct 21, 2026, 11:18 AM EDT
Completed No phase listed Observational

Long-Term Results of DDD Pacing in Obstructive Hypertrophic Cardiomyopathy

NCT00001530
View directory record Official record
Conditions
Cardiomyopathy, Hypertrophic
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 11:18 AM EDT
Terminated No phase listed Observational

Study of the Loss of AV Synchrony at Maximum Exercise

NCT03859167
View directory record Official record
Conditions
Exercise, Pacemaker, Blood Pressure
Interventions
Stress Test
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
9 participants
Timeline
2019 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 14, 2023 · Synced Oct 21, 2026, 11:18 AM EDT
Completed No phase listed Observational

The MagnaSafe Registry: Determining the Risks of Magnetic Resonance Imaging (MRI) in the Presence of Pacemakers and Implantable Cardioverter Defibrillators (ICDs)

NCT00907361
View directory record Official record
Conditions
Need for MRI Imaging With Pacemaker or, Implantable Cardioverter Defibrillator Implanted
Interventions
MRI with pacemaker or ICD
Device
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
2,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
21
States / cities
Burbank, California • La Jolla, California • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2015 · Synced Oct 21, 2026, 11:18 AM EDT
Completed No phase listed Observational

LV Dysfunction Following Pacemaker Placement

NCT03850808
View directory record Official record
Conditions
Heart Failure
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 25, 2019 · Synced Oct 21, 2026, 11:18 AM EDT
Recruiting Not applicable Interventional

Elevated Rate Pacing of Cardiac Amyloidosis

NCT07583823
View directory record Official record
Conditions
Cardiac Amyloidosis, Pacemaker
Interventions
Pacemaker Rate
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 21, 2026, 11:18 AM EDT
Completed Phase 4 Interventional

Evaluation of the SafeR Mode in Patients With a Dual Chamber Pacemaker Indication

NCT00562107
View directory record Official record
Conditions
Assess the Benefits From the AAISafeR/SafeR Algorithm of Symphony 2550 or REPLYTM DR in a Wide Range of Pacemaker Patients.
Interventions
Symphony DR 2550 and REPLY DR cardiac pacemakers
Device
Lead sponsor
LivaNova
Industry
Eligibility
Not listed
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Brighton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 29, 2014 · Synced Oct 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional

Personalized Pacing: A New Paradigm for Patients With Diastolic Dysfunction or Heart Failure With Preserved Ejection Fraction

NCT04721314
View directory record Official record
Conditions
Pacemaker, Diastolic Dysfunction, Diastolic Heart Failure
Interventions
Adjustment of lower rate limit, Maintenance of lower rate limit
Device
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Oct 21, 2026, 11:18 AM EDT
Active, not recruiting Not applicable Interventional

Comparison of Left Bundle Branch Area Versus Right Ventricular Septal Pacing in Patients With High-degree Conduction Disease After Transcatheter Aortic Valve Replacement (Left Bundle BRAVE)

NCT05541679
View directory record Official record
Conditions
Complete Heart Block, High Degree Second Degree Atrioventricular Block, Pacemaker-Induced Cardiomyopathy, Aortic Valve Stenosis
Interventions
Right ventricular septal pacing followed by left bundle branch area pacing, Left bundle branch area pacing followed by right ventricular septal pacing
Device
Lead sponsor
Main Line Health
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
4
States / cities
Overland Park, Kansas • Ridgewood, New Jersey • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Oct 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional Results available

Safety and Efficacy of the Accent Magnetic Resonance Imaging™ (MRI) Pacemaker and Tendril MRI™ Lead

NCT01576016
View directory record Official record
Conditions
Adverse Effect of MRI on an Implanted Pacemaker Lead, Adverse Effect of MRI on an Implanted Pacemaker
Interventions
Accent MRI system (lead safety), Accent MRI system (with MRI scan)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
950 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
66
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 57 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2020 · Synced Oct 21, 2026, 11:18 AM EDT
Completed No phase listed Observational Results available

Patient Preferences for Leadless Pacemakers

NCT05327101
View directory record Official record
Conditions
Cardiac Rhythm Disorder, Bradycardia, Cardiac Pacemaker Artificial
Interventions
Patient Preference Survey
Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
117 participants
Timeline
2022 – 2023
U.S. locations
11
States / cities
Scottsdale, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional Results available

Bridge Occlusion Balloon in Lead Extraction Procedure

NCT02714153
View directory record Official record
Conditions
C.Surgical Procedure; Cardiac, Cardiac Dysrhythmia, Disorder of Pacing Function
Interventions
Bridge Balloon
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
7
States / cities
Miami, Florida • Boston, Massachusetts • Saint Paul, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 21, 2026, 11:18 AM EDT
Recruiting No phase listed Observational

Aveir AR Coverage With Evidence Development (CED) Study

NCT06100770
View directory record Official record
Conditions
Cardiac Pacemaker, Arrhythmia, Bradycardia
Interventions
Aveir AR Leadless Pacemaker, Single-chamber atrial transvenous pacemaker
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
586 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 21, 2026, 11:18 AM EDT
Terminated Not applicable Interventional Results available

Optimize RV Selective Site Pacing Clinical Trial

NCT00422669
View directory record Official record
Conditions
Cardiac Pacing, Artificial, Cardiac Pacemaker, Artificial
Interventions
Medtronic Dual-Chamber Pacemaker, Medtronic SelectSecure 3830 Lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
16
States / cities
Bridgeport, Connecticut • Clearwater, Florida • Hudson, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Oct 21, 2026, 11:18 AM EDT