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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:13 AM EDT

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Showing 25–48 of 161 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Pacemaker Clear all
Terminated Not applicable Interventional Results available

Left Bundle Area Versus Selective His Bundle Pacing

NCT04093414
View directory record Official record
Conditions
Bradycardia, Sinus Node Dysfunction, Atrioventricular Block
Interventions
Select Secure pacing lead
Device
Lead sponsor
David Haines, MD
Other
Eligibility
19 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Royal Oak, Michigan • Troy, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Oct 21, 2026, 9:13 AM EDT
Recruiting Not applicable Interventional

Remote Alert Pathway To Optimize CaRe of Cardiac Implantable Electrical Devices

NCT06937658
View directory record Official record
Conditions
Pacemaker DDD, Implantable Defibrillator User
Interventions
Alert-based care, Guideline-based care
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 21, 2026, 9:13 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effective Use of Pecs and Transversus Thoracics Plane Blocks for Subcutaneous Cardiac Pacemaker Insertion: A Case Series

NCT03899701
View directory record Official record
Conditions
Anesthesia, Local
Interventions
PEC I and PEC II blocks
Procedure
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Oct 21, 2026, 9:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

University Hospital Cardiac Device MR Registry: The Safety of MR Imaging in Patients With Implanted Cardiac Devices

NCT02548819
View directory record Official record
Conditions
MRI, Pacemaker, Defibrillator
Interventions
MRI
Other
Lead sponsor
University Health Care System, Augusta, Georgia
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Oct 21, 2026, 9:13 AM EDT
Completed Not applicable Interventional

CAPTURE - Complete Automatic Pacing Threshold Utilization Recorded by EnPulse

NCT00275769
View directory record Official record
Conditions
Arrhythmia, Bradycardia
Interventions
Pacemaker
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
860 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
51
States / cities
Anchorage, Alabama • Mobile, Alabama • Fullerton, California + 48 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2008 · Synced Oct 21, 2026, 9:13 AM EDT
Completed No phase listed Observational

ICD-ON Registry: Periop Management of Cardiac Devices

NCT02052453
View directory record Official record
Conditions
Oversensing Cardiac Pacemaker, ICD, Surgery
Interventions
Not listed
Lead sponsor
Edward Hospital
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
3
States / cities
Downers Grove, Illinois • Elmhurst, Illinois • Naperville, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 28, 2017 · Synced Oct 21, 2026, 9:13 AM EDT
Completed No phase listed Observational Results available

TYRX™ Envelope for Prevention of Infection Following Replacement With a CRT or ICD

NCT01043705
View directory record Official record
Conditions
Cardiac Implantable Electronic Device Infection
Interventions
Not listed
Lead sponsor
TYRX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
52
States / cities
Birmingham, Alabama • Decatur, Alabama • Florence, Alabama + 44 more
Source: ClinicalTrials.gov public record
Updated Dec 24, 2015 · Synced Oct 21, 2026, 9:13 AM EDT
Recruiting No phase listed Observational

Cardioneuroablation for Recurrent Vasovagal Syncope and Bradyarrhythmias: The CNA-FWRD Registry

NCT06166277
View directory record Official record
Conditions
Vasovagal Syncope, AV Block-2Nd Degree-Type 1, Sinus Pause
Interventions
Ablation procedure
Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
300 participants
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 21, 2026, 9:13 AM EDT
Completed Not applicable Interventional Results available

Efficacy Study of Pacemakers to Treat Slow Heart Rate in Patients With Heart Failure

NCT02145351
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 5, 2023 · Synced Oct 21, 2026, 9:13 AM EDT
Completed No phase listed Observational

Common Sensing and Right Ventricular Automatic Capture (COGNATE)

NCT01030705
View directory record Official record
Conditions
Bradycardia, Chronotropic Incompetence
Interventions
Not listed
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
5
States / cities
Cedar Rapids, Iowa • Lincoln, Nebraska • Pittsburgh, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2011 · Synced Oct 21, 2026, 9:13 AM EDT
Active, not recruiting No phase listed Observational

Aveir VR Coverage With Evidence Development Post-Approval Study

NCT05336877
View directory record Official record
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir VR Leadless Pacemaker System, Single-Chamber Transvenous Pacemaker
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
8,744 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 21, 2026, 9:13 AM EDT
Completed No phase listed Observational

The Atrial High Rate Episodes in Pacemaker Patients

NCT00627328
View directory record Official record
Conditions
Arrhythmia, Atrial Fibrillation, Atrioventricular Block, Bradycardia, Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
50 Years and older
Enrollment
427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
37
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Oct 21, 2026, 9:13 AM EDT
Completed No phase listed Observational

Safety of Magnetic Resonance Imaging in Patients With Pacemakers and Defibrillators

NCT02227004
View directory record Official record
Conditions
Conditions Requiring Diagnostic Evaluation
Interventions
Perform MRI in patients with pacemaker or ICD
Diagnostic Test
Lead sponsor
Johns Hopkins University
Other
Eligibility
9 Years to 100 Years
Enrollment
1,275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced Oct 21, 2026, 9:13 AM EDT
Completed Phase 1 Interventional

Natural History and Results of Dual Chamber (DDD) Pacemaker Therapy of Children With Obstructive Hypertrophic Cardiomyop...

NCT00001396
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy
Interventions
Paragon Pacemaker
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
5 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 9:13 AM EDT
Terminated No phase listed Observational Results available

OMNI Study--Assessing Therapies in Medtronic Pacemaker, Defibrillator, and Cardiac Resynchronization Therapy Devices.

NCT00277524
View directory record Official record
Conditions
Tachycardia, Ventricular, Heart Failure, Congestive, Ventricular Fibrillation, Ventricular Dysfunction, Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
3,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
113
States / cities
Tucson, Arizona • Little Rock, Arkansas • Fresno, California + 107 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2013 · Synced Oct 21, 2026, 9:13 AM EDT
Not listed No phase listed Observational

A Retrospective Trial to Evaluate the Micra Pacemaker

NCT04051814
View directory record Official record
Conditions
Pacemaker
Interventions
Micra Transcatheter Pacemaker System
Other
Lead sponsor
Hoag Memorial Hospital Presbyterian
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Newport Beach, California
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Oct 21, 2026, 9:13 AM EDT
Terminated Not applicable Interventional Results available

Comparison of Cyanoacrylate Tissue Adhesive and Suture for Closure of Cardiac Device Pockets

NCT00674128
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Cyanoacrylate tissue adhesive (Dermabond), Polyglactin 910 suture (Vicryl)
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 29, 2010 · Synced Oct 21, 2026, 9:13 AM EDT
Completed Not applicable Interventional

Postcards to Improve Remote Monitoring Connectivity Among Veterans With a Disconnected Monitor

NCT07464834
View directory record Official record
Conditions
ICD, Pacemaker, Implanted Loop Recorder, Remote Monitoring, Adherence, Patient
Interventions
Tailored Postcard
Other
Lead sponsor
San Francisco VA Health Care System
Federal
Eligibility
Not listed
Enrollment
2,726 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 21, 2026, 9:13 AM EDT
Recruiting Not applicable Interventional

BradycArdia paCemaKer With AV Interval Modulation for Blood prEssure treAtmenT

NCT06059638
View directory record Official record
Conditions
Hypertension, Hypertension, Systolic, Hypertension, Essential
Interventions
Medtronic Astra/Azure DR MRI IPG with AVIM therapy Activated, Medtronic Astra/Azure DR MRI IPG with AVIM therapy Deactivated
Device
Lead sponsor
Orchestra BioMed, Inc
Industry
Eligibility
18 Years and older
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
72
States / cities
Scottsdale, Arizona • Glendale, California • Newport Beach, California + 60 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 21, 2026, 9:13 AM EDT
Completed No phase listed Observational

Use of Defibrillator Information in the Emergency Department

NCT00708058
View directory record Official record
Conditions
Congestive Heart Failure, Medical Device
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 20, 2012 · Synced Oct 21, 2026, 9:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

InterventiOn of Biventricular Pacemaker Function on ventrIcular Function Among Patients With LVAD's

NCT03232736
View directory record Official record
Conditions
Heart Diseases, Left Ventricular Dysfunction
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Oct 21, 2026, 9:13 AM EDT
Completed Phase 2 Interventional

A Comparison of Two Treatments: Pacemaker and Percutaneous Transluminal Septal Ablation for Hypertrophic Cardiomyopathy

NCT00001894
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy
Interventions
pacemaker implantation, percutaneous transluminal septal ablation (PTSA)
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2006 · Synced Oct 21, 2026, 9:13 AM EDT
Completed Not applicable Interventional Results available

Effect of Chronic Changes in Heart Rate on Congestive Heart Failure

NCT00389649
View directory record Official record
Conditions
Heart Failure, Congestive
Interventions
heart rate setting
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 20, 2021 · Synced Oct 21, 2026, 9:13 AM EDT
Completed No phase listed Observational Results available

ProMRI Study of the Entovis Pacemaker System

NCT01761162
View directory record Official record
Conditions
Safety of the ProMRI Pacemaker System Under Specific MRI Conditions
Interventions
Patients with a ProMRI Pacemaker System, Magnetic Resonance Imaging (MRI) scan
Device · Other
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
25
States / cities
Scottsdale, Arizona • Concord, California • Newport Beach, California + 22 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Oct 21, 2026, 9:13 AM EDT