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ClinicalTrials.gov public records Last synced Oct 23, 2026, 5:53 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–72 of 75 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pacemaker therapy Clear all
Completed No phase listed Observational Results available

Pacemaker Therapy in Adults With Congenital Heart Defects

NCT00303511
View directory record Official record
Conditions
Congenital Disorder
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
19 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 8, 2014 · Synced Oct 23, 2026, 5:53 AM EDT
Completed No phase listed Observational

PROSPECT: Predictors of Response to Cardiac Re-Synchronization Therapy

NCT00253357
View directory record Official record
Conditions
Heart Failure, Congestive Heart Failure, Cardiomyopathy
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
16
States / cities
Several Locations, California • Gainsville, Florida • Atlanta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2007 · Synced Oct 23, 2026, 5:53 AM EDT
Completed Not applicable Interventional Results available

SJM MRI Diagnostic Imaging Registry (IDE)

NCT02807948
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Pacemaker, ICD, or CRT device
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
58
States / cities
Scottsdale, Arizona • Tucson, Arizona • Jonesboro, Arkansas + 55 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2019 · Synced Oct 23, 2026, 5:53 AM EDT
Terminated No phase listed Observational Results available

Arrythmia Burden in Cardiac Contractility Modulation (CCM)

NCT05704426
View directory record Official record
Conditions
Atrial Fibrillation, Arrythmia
Interventions
Impulse Dynamics Optimizer Device
Device
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Oct 23, 2026, 5:53 AM EDT
Recruiting Not applicable Interventional

Left vs Left Randomized Clinical Trial

NCT05650658
View directory record Official record
Conditions
Heart Failure, Heart Failure With Reduced Ejection Fraction, AV Block, LBBB, RBBB, Intraventricular Conduction Delay, Pacing-Induced Cardiomyopathy
Interventions
His/LBBP, BiVP
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
2,136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
57
States / cities
Gilbert, Arizona • Tucson, Arizona • Little Rock, Arkansas + 46 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 23, 2026, 5:53 AM EDT
Recruiting No phase listed Observational

His Bundle Pacing in Bradycardia and Heart Failure

NCT03008291
View directory record Official record
Conditions
Bradycardia, Heart Failure
Interventions
CRT-D Implantation, CRT-P Implantation, Dual Chamber Pacemaker Implantation
Procedure
Lead sponsor
Yong-Mei Cha
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 23, 2026, 5:53 AM EDT
Withdrawn Not applicable Interventional

The Effect of Yoga on Cardiac Sympathetic Innervation Evaluated by I-123 mIBG

NCT03227393
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Yoga training
Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 20, 2018 · Synced Oct 23, 2026, 5:53 AM EDT
Enrolling by invitation Not applicable Interventional

Rehabilitation With the Shoulder Pacemaker

NCT06501859
View directory record Official record
Conditions
Shoulder Injuries
Interventions
Standard of care physical therapy, Shoulder pacemaker with physical therapy
Other · Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 23, 2026, 5:53 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Prevention of Postop Atrial Fibrillation Through Intraoperative Inducibility of Atrial Fibrillation and Amiodarone Treatment

NCT03868150
View directory record Official record
Conditions
Postoperative Atrial Fibrillation
Interventions
Amiodarone Injection, Intraoperative Rapid Atrial Pacing
Drug · Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2050
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 23, 2026, 5:53 AM EDT
Completed No phase listed Observational Results available

Physiologic Pacing Registry

NCT03719040
View directory record Official record
Conditions
Bradycardia, Sinus Node Dysfunction, Heart Block, Syncope, Cardiomyopathies, Ventricular Tachycardia, Heart Failure
Interventions
Physiologic pacing device implant
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
870 participants
Timeline
2018 – 2021
U.S. locations
26
States / cities
Huntsville, Alabama • Burlingame, California • San Diego, California + 22 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Oct 23, 2026, 5:53 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 23, 2026, 5:53 AM 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 25, 2025 · Synced Oct 23, 2026, 5:53 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 23, 2026, 5:53 AM EDT
Completed No phase listed Observational

Conduction System Pacing International Registry (CONSPIRE)

NCT04831125
View directory record Official record
Conditions
Bradyarrhythmia, Heart Failure
Interventions
Data collection
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
383 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
5
States / cities
Tucson, Arizona • Chicago, Illinois • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 23, 2026, 5:53 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 23, 2026, 5:53 AM EDT
Completed Not applicable Interventional Results available

Metabolic Mapping and Cardiac Resynchronization

NCT03420833
View directory record Official record
Conditions
Heart Failure
Interventions
Cardiac resynchronization therapy pacemaker (CRT-P)
Device
Lead sponsor
Yong-Mei Cha
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Oct 23, 2026, 5:53 AM EDT
Completed Not applicable Interventional Results available

Biventricular Versus Right Ventricular Pacing in Heart Failure Patients With Atrioventricular Block (BLOCK HF)

NCT00267098
View directory record Official record
Conditions
Atrioventricular Block, Heart Diseases
Interventions
Cardiac Resynchronization Therapy (CRT)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
918 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
51
States / cities
Anchorage, Alaska • Peoria, Arizona • Little Rock, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2014 · Synced Oct 23, 2026, 5:53 AM 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 5, 2022 · Synced Oct 23, 2026, 5:53 AM EDT
Completed Not applicable Interventional Results available

Conduction System Pacing Optimized Therapy

NCT04905290
View directory record Official record
Conditions
Heart Failure
Interventions
Left ventricular coronary sinus (BiV) configuration, Conduction system pacing-only configuration, Conduction System Pacing Optimized Therapy (CSPOT) configuration
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
7
States / cities
Tampa, Florida • Chicago, Illinois • Houma, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Oct 23, 2026, 5:53 AM EDT
Active, not recruiting No phase listed Observational

Longitudinal Coverage With Evidence Development Study on Micra Leadless Pacemakers

NCT03039712
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
2017 – 2029
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 23, 2026, 5:53 AM EDT
Completed Not applicable Interventional Results available

Hypoglossal Nerve Stimulation on Cardiovascular Outcomes

NCT03359096
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Therapeutic HGNS, Subtherapeutic 'Sham' HGNS
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
22 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Oct 23, 2026, 5:53 AM 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 22, 2022 · Synced Oct 23, 2026, 5:53 AM EDT
Recruiting No phase listed Observational

Product Performance Report: Evaluate Long-term Reliability & Performance of Medtronic Marketed Cardiac Therapy Products

NCT00271180
View directory record Official record
Conditions
Arrhythmia, Bradycardia, Heart Failure, Sinus Tachycardia
Interventions
Device
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1983 – 2040
U.S. locations
113
States / cities
Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 110 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 23, 2026, 5:53 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 23, 2026, 5:53 AM EDT