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ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:22 AM EDT

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Showing 73–96 of 235 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: pacemaker Clear all
Completed No phase listed Observational

A Study Comparing the Sensed R Wave in Bipolar and Extended Bipolar Configurations

NCT01032577
View directory record Official record
Conditions
Ischemic and Nonischemic Cardiomyopathy, With Primary and Secondary Implant Indications
Interventions
Not listed
Lead sponsor
Trinity Health Of New England
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 28, 2012 · Synced Oct 21, 2026, 7:22 AM EDT
Completed No phase listed Observational

Micra AV Transcatheter Pacing System Post-Approval Registry

NCT04253184
View directory record Official record
Conditions
Bradycardia
Interventions
Micra AV Transcatheter Pacing System
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
802 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
46
States / cities
Birmingham, Alabama • Rancho Mirage, California • Redwood City, California + 37 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 21, 2026, 7:22 AM EDT
Completed Not applicable Interventional Results available

Multi-Channel Gastric Electrical Stimulation for the Treatment of Gastroparesis

NCT00595621
View directory record Official record
Conditions
Gastric Stasis
Interventions
Enterra Multi-Channel Phased Gastric Pacemaker (MGP-1)
Device
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 31, 2019 · Synced Oct 21, 2026, 7:22 AM EDT
Terminated Not applicable Interventional Results available

The Effect of Blended Sensor Efficiency on Relieving the Heart's Inability to Increase Its Rate During Exercise

NCT01619800
View directory record Official record
Conditions
Chronotropic Incompetence
Interventions
Blended Sensor Optimization (BSO), Accelerometer Alone (AA)
Device
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Oct 21, 2026, 7:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

St. Mary's Duluth Clinic (SMDC) Pacemaker Magnetic Resonance Imaging (MRI) Study

NCT00631904
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Not listed
Lead sponsor
Essentia Health
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 2, 2011 · Synced Oct 21, 2026, 7:22 AM EDT
Completed No phase listed Observational

Identification of the Pericardiophrenic Vein During Cardiac Device Implant Procedures to Prevent Extracardiac Stimulation

NCT01008670
View directory record Official record
Conditions
Heart Failure
Interventions
Not listed
Lead sponsor
Respicardia, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
6
States / cities
Birmingham, Alabama • Baltimore, Maryland • Cincinnati, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2010 · Synced Oct 21, 2026, 7:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Omega 3 Fatty Acid Trial

NCT00586222
View directory record Official record
Conditions
Omega-3 Fatty Acids, Pediatric Bipolar Disorder, Adolescent Bipolar Disorder, Magnetic Resonance Spectroscopy Imaging
Interventions
Omega-3 Fatty Acid, Placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
12 Years to 18 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 25, 2012 · Synced Oct 21, 2026, 7:22 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, 7:22 AM EDT
Completed Not applicable Interventional

Functional Outcomes in CondUction System Pacing and Right Ventricular Synchrony (FOCUS-Right)

NCT06601322
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
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 21, 2026, 7:22 AM EDT
Not listed Not applicable Interventional

Physiologic Pacing for Symptomatic First-Degree Heart Block

NCT06245304
View directory record Official record
Conditions
Symptomatic First-degree Heart Block
Interventions
Dual chamber Medtronic pacemaker implantation., DDD-50 pacing program, AAI-DDD 50 pacing program
Device · Other
Lead sponsor
Ascension Health
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Oct 21, 2026, 7:22 AM EDT
Completed No phase listed Observational

Natural Evolution of AV Conduction Disorders in Patients Implanted With Cardiac Pacemakers

NCT00531037
View directory record Official record
Conditions
Patients Implanted With a Pacemaker
Interventions
Not listed
Lead sponsor
LivaNova
Industry
Eligibility
18 Years and older
Enrollment
1,440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
7
States / cities
Birmingham, Alabama • Sheffield, Alabama • Mesa, Arizona + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2017 · Synced Oct 21, 2026, 7:22 AM EDT
Terminated Phase 4 Interventional Results available

Effects of Dronedarone on Atrial Fibrillation Burden in Subjects With Permanent Pacemakers

NCT01135017
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 11, 2013 · Synced Oct 21, 2026, 7:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Ivabradine for Rate Control in Permanent Atrial Fibrillation

NCT03987204
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Fibrillation, Persistent
Interventions
Ivabradine
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 90 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 2, 2021 · Synced Oct 21, 2026, 7:22 AM EDT
Terminated Not applicable Interventional

Superficial Cervical Plexus Block for Pacemaker Insertion

NCT01473667
View directory record Official record
Conditions
Pacemaker Insertion, Regional Block, Pain
Interventions
Superficial Cervical Plexus Block (SCP) block, Local site infiltration
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 1, 2019 · Synced Oct 21, 2026, 7:22 AM EDT
Withdrawn Phase 1 Interventional

Pilot Study of Electronic Uterine Contraction Inhibitor

NCT00994058
View directory record Official record
Conditions
Prematurity
Interventions
Electrical Inhibition (EI) Uterine Pacemaker
Device
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Dec 24, 2015 · Synced Oct 21, 2026, 7:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Knee Alignment Contributions to Anterior Cruciate Ligament (ACL) Injury

NCT00855023
View directory record Official record
Conditions
Knee Injuries
Interventions
Not listed
Lead sponsor
The Orthopaedic Center, Maryland
Other
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Oct 21, 2026, 7:22 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, 7:22 AM EDT
Completed No phase listed Observational

F18-MHF: Implants-Associated Infection Detection

NCT05889286
View directory record Official record
Conditions
Knee Disease, Knee Infection
Interventions
[F-18]MHF
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 21, 2026, 7:22 AM EDT
Active, not recruiting No phase listed Observational

Characterizing Outcomes and Real-World Experience of Cardiac Physiologic Pacing (The CORE-CPP Study)

NCT06606288
View directory record Official record
Conditions
Heart Failure
Interventions
Conduction system pacing, Bi-ventricular pacing
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
6,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2030
U.S. locations
1
States / cities
Mounds View, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 21, 2026, 7:22 AM EDT
Completed No phase listed Observational

CRM and Fusion Beats: Effects of Progressive Fusion on Intra-left Ventricular Mechanical Function

NCT00610896
View directory record Official record
Conditions
Cardiomyopathy
Interventions
Not listed
Lead sponsor
Essentia Health
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 2, 2011 · Synced Oct 21, 2026, 7:22 AM EDT
Completed Phase 4 Interventional

Syncope: Pacing or Recording in the Later Years

NCT01423994
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 16, 2019 · Synced Oct 21, 2026, 7:22 AM EDT
Terminated Not applicable Interventional

Effect of Cardiac Resynchronization Therapy (CRT) on Left Ventricular Assist Device (LVAD) Function

NCT04153786
View directory record Official record
Conditions
LVAD (Left Ventricular Assist Device) Driveline Infection
Interventions
Temporary changes in an already-implanted medical device (biventricular pacemaker)
Other
Lead sponsor
University of California, Davis
Other
Eligibility
Not listed
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Oct 21, 2026, 7:22 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, 7:22 AM EDT
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, 7:22 AM EDT