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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 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 3, 2006 · Synced Sep 9, 2026, 10:15 PM 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 27, 2017 · Synced Sep 9, 2026, 10:15 PM EDT
Completed Not applicable Interventional Results available

PREFER (Pacemaker Remote Follow-Up Evaluation and Review)

NCT00294645
View directory record Official record
Conditions
Bradycardia, Arrhythmia
Interventions
Transtelephonic monitoring (TTM), Medtronic CareLink® Network
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
980 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
45
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • Washington D.C., District of Columbia + 42 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2010 · Synced Sep 9, 2026, 10:15 PM 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 16, 2018 · Synced Sep 9, 2026, 10:15 PM 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 28, 2010 · Synced Sep 9, 2026, 10:15 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 9, 2026, 10:15 PM 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 1, 2011 · Synced Sep 9, 2026, 10:15 PM EDT
Recruiting Not applicable Interventional

Efficacy and Safety of Leadless Pacemakers Versus Left Bundle Area Pacing - A Preliminary Exploration

NCT06690333
View directory record Official record
Conditions
Pacemaker Implantation, AV Node Disease
Interventions
Pacemaker
Device
Lead sponsor
NCH Healthcare System, Inc. dba Naples Comprehensive Health and dba NCH
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Naples, Florida • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Sep 9, 2026, 10:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Self-selection Study of the Toothwave Toothbrush

NCT04023097
View directory record Official record
Conditions
Gingivitis, Plaque, Calculus, Tooth Discoloration
Interventions
Toothwave toothbrush
Device
Lead sponsor
Home Skinovations Ltd.
Industry
Eligibility
18 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Sep 9, 2026, 10:15 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 9, 2026, 10:15 PM EDT
Active, not recruiting Not applicable Interventional Results available

Effectiveness of the EMPOWER™ Modular Pacing System and EMBLEM™ Subcutaneous ICD to Communicate Antitachycardia Pacing

NCT04798768
View directory record Official record
Conditions
Tachycardia, Ventricular, Arrhythmia, Ventricular
Interventions
mCRM Therapy System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
18
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Jonesboro, Arkansas + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 9, 2026, 10:15 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 9, 2026, 10:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Exploring the Modulatory Role of Sex Hormones Along the Neuromechanical Axis in Females

NCT03947684
View directory record Official record
Conditions
Role of Sex Hormones Along the Neuromechanical Axis
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 39 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 9, 2026, 10:15 PM 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 19, 2025 · Synced Sep 9, 2026, 10:15 PM EDT
Completed Not applicable Interventional

Conduction Disease After Transcatheter Aortic Valve Replacement

NCT04489095
View directory record Official record
Conditions
Aortic Stenosis, Heart Block, Aortic Insufficiency
Interventions
Electrophysiology Study
Diagnostic Test
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 13, 2022 · Synced Sep 9, 2026, 10:15 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 9, 2026, 10:15 PM EDT
Withdrawn Not applicable Interventional

RESPECT Heart Failure- RESpiratory Pattern Evaluation in Clinical Trials for HF

NCT04757246
View directory record Official record
Conditions
Heart Failure
Interventions
MouthLab Device
Other
Lead sponsor
WakeMed Health and Hospitals
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 23, 2022 · Synced Sep 9, 2026, 10:15 PM EDT
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 9, 2026, 10:15 PM EDT
Recruiting Not applicable Interventional

ELEVATE-HFpEF Clinical Study

NCT06678841
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction (HFpEF)
Interventions
Personalized cardiac pacing
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
40 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
26
States / cities
Phoenix, Arizona • San Francisco, California • Hartford, Connecticut + 22 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 9, 2026, 10:15 PM EDT
Recruiting Not applicable Interventional

Programmed Ventricular Stimulation to Risk Stratify for Early Cardioverter-Defibrillator (ICD) Implantation to Prevent Tachyarrhythmias Following Acute Myocardial Infarction (PROTECT-ICD)

NCT03588286
View directory record Official record
Conditions
Sudden Cardiac Death
Interventions
Electrophysiology study (EPS), Standard Care, Cardiac Magnetic Resonance (CMR)
Procedure · Other
Lead sponsor
Western Sydney Local Health District
Other
Eligibility
18 Years to 85 Years
Enrollment
1,058 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Sep 9, 2026, 10:15 PM 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 19, 2021 · Synced Sep 9, 2026, 10:15 PM 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 24, 2019 · Synced Sep 9, 2026, 10:15 PM EDT
Recruiting No phase listed Observational

Left Bundle Branch Area Mapping for Conduction System Pacing

NCT05884359
View directory record Official record
Conditions
Left Bundle-Branch Block, Pacemaker DDD
Interventions
3D Electroanatomical Mapping (NavX)
Diagnostic Test
Lead sponsor
Steward St. Elizabeth's Medical Center of Boston, Inc.
Other
Eligibility
18 Years to 88 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 9, 2026, 10:15 PM EDT
Completed Phase 2 Interventional

Studying the Effectiveness of Pacemaker Therapy in Children Who Have Thickened Heart Muscle

NCT00001960
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy
Interventions
Pacemaker therapy
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 9, 2026, 10:15 PM EDT