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ClinicalTrials.gov public records Last synced May 22, 2026, 12:50 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cardiac Pacemaker Clear all
Recruiting Not applicable Interventional
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 May 22, 2026, 12:50 AM EDT
Recruiting Not applicable Interventional
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 6, 2026 · Synced May 22, 2026, 12:50 AM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Atrial Fibrillation, Congestive Heart Failure
Interventions
Protos DR/CLS and Stratos LV CRT pacemakers
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
10
States / cities
Birmingham, Alabama • Lake Charles, Louisiana • Boston, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2018 · Synced May 22, 2026, 12:50 AM EDT
Completed Not applicable Interventional Results available
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 May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational Results available
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 May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational
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 20, 2007 · Synced May 22, 2026, 12:50 AM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Bradycardia
Interventions
St. Jude Medical Tendril MRI™ lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,768 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
66
States / cities
Phoenix, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 62 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced May 22, 2026, 12:50 AM EDT
Completed Phase 2 Interventional
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 May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Pacemaker, Artificial
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 3, 2008 · Synced May 22, 2026, 12:50 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Bradycardia
Interventions
Leadless Pacemaker
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
952 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
50
States / cities
Birmingham, Alabama • Huntsville, Alabama • La Jolla, California + 43 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced May 22, 2026, 12:50 AM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Chronically (i.e. Implanted for at Least Six Months) Dual-chamber Pacemaker, Stable Cardiac Status (i.e. no Hospitalizations or Cardiac Medication Changes Within 3 Months)
Interventions
short AVD pacing ; prior (stable) programming
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Arrhythmia, Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
2,927 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
110
States / cities
Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 107 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced May 22, 2026, 12:50 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers
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 19, 2022 · Synced May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Ventricular Flutter, Atrioventricular Block, Intraventricular Conduction Delay, Bundle Branch Block, Pacemaker Implantation
Interventions
Permanent Pacemaker Placement
Device
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Plano, Texas
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced May 22, 2026, 12:50 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2035
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced May 22, 2026, 12:50 AM EDT
Completed Phase 2 Interventional
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 May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Congenital Diseases, Complete Heart Block, Pacemaker
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
10 Years to 21 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 31, 2012 · Synced May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Cardiomyopathy, Hypertrophic
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced May 22, 2026, 12:50 AM EDT
Recruiting No phase listed Observational
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 May 6, 2026 · Synced May 22, 2026, 12:50 AM EDT
Active, not recruiting No phase listed Observational
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 Sep 28, 2025 · Synced May 22, 2026, 12:50 AM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
MRI
Radiation
Lead sponsor
Banner Health
Other
Eligibility
18 Years to 85 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced May 22, 2026, 12:50 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Magnetic Resonance Imaging, Cardiac Pacemaker, Artificial
Interventions
Medtronic Advisa MRI Implantable Pulse Generator (IPG), Medtronic CapSureFix MRI™ active fixation MRI lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
11
States / cities
Salinas, California • Orlando, Florida • West Des Moines, Iowa + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2013 · Synced May 22, 2026, 12:50 AM EDT
Completed Phase 1 Interventional
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 May 22, 2026, 12:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available
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 13, 2023 · Synced May 22, 2026, 12:50 AM EDT