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ClinicalTrials.gov public records Last synced Sep 5, 2026, 10:51 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: pacemaker Clear all
Completed No phase listed Observational Results available

ProMRI Study of the Entovis Pacemaker System (Phase B)

NCT02009696
View directory record Official record
Conditions
Magnetic Resonance Imaging (MRI); Cardiac Pacing
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
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
32
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Concord, California + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2015 · Synced Sep 5, 2026, 10:51 PM EDT
Completed Not applicable Interventional

Physiologic Accelerated Pacing as a Treatment in Patients With Heart Failure With Preserved Ejection Fraction

NCT04546555
View directory record Official record
Conditions
Heart Failure, Diastolic
Interventions
Dual chamber pacemaker, Accelerated Physiologic Pacing, Nocturnal Pacing
Device · Other
Lead sponsor
Daniel L Lustgarten
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Sep 5, 2026, 10:51 PM EDT
Active, not recruiting No phase listed Observational

Longitudinal Coverage With Evidence Development Study on Micra AV Leadless Pacemakers (Micra AV CED)

NCT04235491
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 Sep 5, 2026, 10:51 PM EDT
Completed No phase listed Observational Results available

PARTNERS HF: Program to Access and Review Trending Information and Evaluate Correlation to Symptoms in Patients With Heart Failure

NCT00279955
View directory record Official record
Conditions
Heart Failure, Congestive
Interventions
Cardiac Resynchronization Therapy Device
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,024 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
93
States / cities
Huntsville, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 90 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2012 · Synced Sep 5, 2026, 10:51 PM EDT
Completed Phase 1 Interventional

A Phase I Study to Assess the Electrophysiologic Effects of BMS-394136 on the Atrium and Ventricle in Patients With Dual-Chamber Pacemakers or Defibrillators

NCT00162448
View directory record Official record
Conditions
Heart Diseases
Interventions
BMS-394136, Placebo
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
3
States / cities
Salisbury, Maryland • Ann Arbor, Michigan • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 19, 2008 · Synced Sep 5, 2026, 10:51 PM EDT
Not listed Not applicable Interventional

Comparison of Physiologic Response With Rate Adaptive Pacing Driven by Minute Ventilation and Accelerometer

NCT02003378
View directory record Official record
Conditions
Chronotropic Incompetence
Interventions
Pacemaker sensor set to MV, Pacemaker sensor set to XL
Device
Lead sponsor
Albany Medical College
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Dec 5, 2013 · Synced Sep 5, 2026, 10:51 PM EDT
Recruiting No phase listed Observational

Single Chamber Atrial Leadless Pacing for Isolated Sinus Node Dysfunction

NCT07638995
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Implantable Loop Recorder
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
6
States / cities
Bay Shore, New York • Huntington, New York • Manhasset, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 5, 2026, 10:51 PM 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 May 12, 2026 · Synced Sep 5, 2026, 10:51 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

MANAGE-VT Registry - MANAGEment of Ventricular Tachycardia Outcomes Registry

NCT06455488
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Ventricular Tachycardia Ablation, ICD Implant, Antiarrhythmic drug, EKG, Cardioversion, Echocardiogram
Procedure · Device · Drug + 1 more
Lead sponsor
CorVita Science Foundation
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 11, 2024 · Synced Sep 5, 2026, 10:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating the Electro Magnetic Interference of Using Tablet and Smart Phone on Leadless Pacemaker (MICRA)

NCT02758210
View directory record Official record
Conditions
Bradycardia, Atrial Tachyarrhythmia
Interventions
Use of a Tablet, Use of a Smart Phone
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 8, 2017 · Synced Sep 5, 2026, 10:51 PM 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 3, 2026 · Synced Sep 5, 2026, 10:51 PM EDT
Enrolling by invitation Not applicable Interventional

Shoulder Pacemaker for Scapular Dyskinesia

NCT05116722
View directory record Official record
Conditions
Scapular Dyskinesis, Posterior Shoulder Instability
Interventions
Shoulder Pacemaker
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 5, 2026, 10:51 PM EDT
Enrolling by invitation Not applicable Interventional

Percutaneous Closure Versus Figure-of-eight Suture for Hemostasis in Leadless Pacemaker Implantation.

NCT06837870
View directory record Official record
Conditions
Vascular Closure, Pacemaker Implantation, Leadless Pacemaker
Interventions
percutaneous suture mediated closure, Figure of Eight Suture
Device
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 5, 2026, 10:51 PM 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 15, 2019 · Synced Sep 5, 2026, 10:51 PM 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 30, 2013 · Synced Sep 5, 2026, 10:51 PM EDT
Completed No phase listed Observational

Evaluation of EMI in Patients With Micra Leadless Pacemaker

NCT03508128
View directory record Official record
Conditions
Electromagnetic Interference
Interventions
surgical procedure
Other
Lead sponsor
Edward-Elmhurst Health System
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Naperville, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Sep 5, 2026, 10:51 PM EDT
Completed No phase listed Observational

Ensure Cardiac Resynchronization Therapy Study

NCT00291564
View directory record Official record
Conditions
Heart Failure
Interventions
Cardiac Resynchronization Therapy Device
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
32
States / cities
Birmingham, Alabama • Newport Beach, California • Trumbull, Connecticut + 29 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2007 · Synced Sep 5, 2026, 10:51 PM EDT
Recruiting Not applicable Interventional

Chronic Evaluation of Novel Pacemaker System

NCT06056817
View directory record Official record
Conditions
Ventricular Pacing With Rate Response, Bradycardia
Interventions
Calyan Pacemaker
Device
Lead sponsor
Calyan Technologies
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 5, 2026, 10:51 PM 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 23, 2015 · Synced Sep 5, 2026, 10:51 PM EDT
Completed Not applicable Interventional Results available

Physical Activity and Pacemaker Study

NCT03052829
View directory record Official record
Conditions
Physical Activity, Pacemaker, Cardiovascular Diseases, Arrythmia
Interventions
Physical activity counseling, Usual care
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
55 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 5, 2026, 10:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

MR Evaluation of Cerebrospinal Fluid (CSF) Dynamics

NCT04099823
View directory record Official record
Conditions
Hydrocephalus, Alzheimer Disease
Interventions
MRI screening form, Urine pregnancy test, MR brain
Other · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced Sep 5, 2026, 10:51 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Precision Medicine in Anesthesia: Genetic Component in Opioid-induced Respiratory Depression

NCT03441282
View directory record Official record
Conditions
Respiratory Depression
Interventions
Fentanyl
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Sep 5, 2026, 10:51 PM EDT
Completed No phase listed Observational

A Novel Healthcare Information Technology Tool to Improve Care in Patients With Atrial Fibrillation

NCT02623517
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Sep 5, 2026, 10:51 PM EDT
Completed Not applicable Interventional Results available

ECG Belt to Assess Electrical Synchronization

NCT04583709
View directory record Official record
Conditions
Bradycardia, Heart Failure
Interventions
ECG Belt
Device
Lead sponsor
Pugazhendhi Vijayaraman
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced Sep 5, 2026, 10:51 PM EDT