Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 25, 2026, 11:31 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 235 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pacemaker Clear all
Completed No phase listed Observational Accepts healthy volunteers

Neurotoxicity and Cardiotoxicity in Total Joint Arthroplasty

NCT04166539
View directory record Official record
Conditions
Metallosis, Pain, Total Hip Replacement, Total Knee Replacement
Interventions
Questionnaires, Interviews, Blood draw, Magnetic Resonance Imaging, Echocardiogram
Behavioral · Other · Radiation + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Oct 25, 2026, 11:31 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 25, 2026, 11:31 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 25, 2026, 11:31 AM EDT
Completed Not applicable Interventional

Postcards to Improve Remote Monitoring Adherence Among Veterans

NCT06068699
View directory record Official record
Conditions
ICD, Pacemaker DDD, Adherence, Patient
Interventions
Postcard
Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
6,351 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 25, 2026, 11:31 AM EDT
Completed No phase listed Observational

Safety and Clinical Outcomes of Magnetic Resonance Imaging in Patients With Cardiac Implantable Electrical Devices

NCT03016429
View directory record Official record
Conditions
Cardiac Disease
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
1,169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2022 · Synced Oct 25, 2026, 11:31 AM EDT
Completed Not applicable Interventional Results available

Optimize RV Follow-up Selective Site Pacing Clinical Trial

NCT00949715
View directory record Official record
Conditions
Cardiac Pacing, Right Ventricular Pacing, Left Ventricular Ejection Fraction
Interventions
Medtronic or Vitatron Dual-Chamber Pacemaker, Medtronic SelectSecure 3830 Lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
10
States / cities
Des Moines, Iowa • Silver Spring, Maryland • Southfield, Michigan + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2018 · Synced Oct 25, 2026, 11:31 AM 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 15, 2012 · Synced Oct 25, 2026, 11:31 AM 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 28, 2023 · Synced Oct 25, 2026, 11:31 AM 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 6, 2013 · Synced Oct 25, 2026, 11:31 AM 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 Sep 1, 2026 · Synced Oct 25, 2026, 11:31 AM 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 21, 2026 · Synced Oct 25, 2026, 11:31 AM EDT
Recruiting No phase listed Observational

Ultra-High Frequency - Electrocardiogram (UHF-ECG) for the Diagnosis of Ventricular Electrical Dyssynchrony (VED)

NCT06641362
View directory record Official record
Conditions
Bradycardia, Heart Failure, Ventricular Dysfunction
Interventions
Ultra High Frequency Electrocardiogram (UHF-ECG)
Device
Lead sponsor
VDI Technologies
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Avondale, Arizona • Mesa, Arizona • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 25, 2026, 11:31 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Specialized Pacing for Patients With Congenital Heart Disease

NCT03361189
View directory record Official record
Conditions
Congenital Heart Disease, Bradycardia Sinus
Interventions
Closed loop stimulation, Standard rate response
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2023 · Synced Oct 25, 2026, 11:31 AM EDT
Completed No phase listed Observational

Placement of Permanent Pacemaker Study

NCT00512161
View directory record Official record
Conditions
Cardiac Surgical Procedures
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Oct 25, 2026, 11:31 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Electrical Inhibition of Human Preterm Contractions

NCT02983240
View directory record Official record
Conditions
Preterm Labor, PreTerm Birth, Preterm Labor With Delivery Nos
Interventions
Electrical Uterine Pacemaker
Device
Lead sponsor
e-Bio Corp
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Oct 25, 2026, 11:31 AM EDT
Recruiting No phase listed Observational

Aveir AR Coverage With Evidence Development (CED) Study

NCT06100770
View directory record Official record
Conditions
Cardiac Pacemaker, Arrhythmia, Bradycardia
Interventions
Aveir AR Leadless Pacemaker, Single-chamber atrial transvenous pacemaker
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
586 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 25, 2026, 11:31 AM EDT
Completed No phase listed Observational

The MagnaSafe Registry: Determining the Risks of Magnetic Resonance Imaging (MRI) in the Presence of Pacemakers and Implantable Cardioverter Defibrillators (ICDs)

NCT00907361
View directory record Official record
Conditions
Need for MRI Imaging With Pacemaker or, Implantable Cardioverter Defibrillator Implanted
Interventions
MRI with pacemaker or ICD
Device
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
2,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
21
States / cities
Burbank, California • La Jolla, California • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2015 · Synced Oct 25, 2026, 11:31 AM 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 • Palo Alto, California • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 25, 2026, 11:31 AM EDT
Completed No phase listed Observational Results available

BlueSync Field Evaluation

NCT03518658
View directory record Official record
Conditions
Bradycardia
Interventions
Evaluation Group, Control Group (Historical)
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
11
States / cities
Palo Alto, California • Hartford, Connecticut • Daytona Beach, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 25, 2026, 11:31 AM EDT
Completed No phase listed Observational

Automated Cardioverter Defibrillator in Children

NCT00268021
View directory record Official record
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 21 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1998
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Oct 25, 2026, 11:31 AM EDT
Completed Not applicable Interventional Results available

RF Surgical Sponge-Detecting System on the Function of Pacemakers and Implantable Cardioverter Defibrillators

NCT02111980
View directory record Official record
Conditions
Cardiomyopathy, Cardiac Arrhythmia, Heart Failure, Chronic Thromboembolic Pulmonary Hypertension
Interventions
RF Assure Scanning
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 24, 2019 · Synced Oct 25, 2026, 11:31 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 25, 2026, 11:31 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 25, 2026, 11:31 AM 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 20, 2008 · Synced Oct 25, 2026, 11:31 AM EDT