Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 26, 2026, 1:42 AM EDT

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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Bradycardia
Interventions
Closed Loop Stimulation (CLS), Standard Rate Adaptive (R) Technology, Non-rate adaptive (DDD) pacing
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,491 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
99
States / cities
Albertville, Alabama • Gadsden, Alabama • Jasper, Alabama + 82 more
Completed Not applicable Interventional Results available

ImageReady(TM) MR Conditional Pacing System Clinical Study

NCT01781078
Conditions
Bradycardia, Sinus Node Dysfunction
Interventions
MRI, ImageReady System implant
Radiation · Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
363 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
29
States / cities
Mesa, Arizona • Los Angeles, California • San Francisco, California + 26 more
Conditions
Arrhythmia, Atrial Fibrillation, Atrioventricular Block, Bradycardia, Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
50 Years and older
Enrollment
427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
37
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • Fresno, California + 34 more
Completed Not applicable Interventional Results available

Aveir DR i2i Study

NCT05252702
Conditions
Cardiac Pacemaker, Artificial, Cardiac Rhythm Disorder, Bradycardia
Interventions
Aveir DR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
464 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
54
States / cities
Scottsdale, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 44 more
Conditions
Sinus Node Dysfunction
Interventions
Reprogramming dual chamber pacemaker
Device
Lead sponsor
Arun Rao
Other
Eligibility
60 Years to 95 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Kingsport, Tennessee
Completed No phase listed Observational Results available

LBBAP Data Collection Registry

NCT05887323
Conditions
Bradycardia, Sinus Node Dysfunction, Heart Block, Syncope, Cardiomyopathies, Heart Failure
Interventions
Implantation of the Tendril 2088 lead in the LBBA
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
5
States / cities
Jonesboro, Arkansas • Rancho Mirage, California • Pensacola, Florida + 2 more
Terminated Phase 2Phase 3 Interventional Results available

Specialized Pacing for Patients With Congenital Heart Disease

NCT03361189
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
Completed No phase listed Observational

HBP Device EGM Data Collection

NCT03564860
Conditions
Sick Sinus Syndrome, AV Block, Heart Failure
Interventions
Device data collection
Procedure
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
3
States / cities
Huntsville, Alabama • Sayre, Pennsylvania • Greenville, South Carolina
Conditions
Sinus Node Dysfunction
Interventions
Treadmill/Bicycle exercise testing
Diagnostic Test
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Atrioventricular Block, Sick Sinus Syndrome, Symptomatic Bradycardia, Cardiac Arrhythmia
Interventions
Long, fixed AV delay, Short, optimized AV delay
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
La Jolla, California
Conditions
Sinus Node Dysfunction, Bradycardia, Atrioventricular Block
Interventions
Solia CSP S lead
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
10
States / cities
Phoenix, Arizona • Ventura, California • Sarasota, Florida + 6 more
Conditions
Sinus Node Dysfunction, Brady Tachy Syndrome
Interventions
PACEMAKER SYMPHONY 2550
Device
Lead sponsor
LivaNova
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
10
States / cities
Birmingham, Alabama • Mesa, Arizona • Los Angeles, California + 7 more
Conditions
Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Atrial Fibrillation, Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Medtronic Corporate Technologies and New Ventures
Industry
Eligibility
40 Years and older
Enrollment
1,023 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Sick Sinus Syndrome, Heart Failure, Congestive, Atrial Fibrillation, Bradycardia, Ventricular Dysfunction
Interventions
Implantable Pulse Generators
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,070 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
63
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Conway, Arkansas + 60 more
Completed No phase listed Observational Results available

Physiologic Pacing Registry

NCT03719040
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
Conditions
Sinus Node Dysfunction, Heart Block AV, LBBB, Heart Failure, Systolic
Interventions
Conventional fluoroscopy guided Conduction System Pacing(CSP), Electroanatomic Mapping (Fluoroless) guided Conduction System Pacing(CSP)
Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Results available

Safety and Performance Study of the INGEVITY Lead

NCT01688843
Conditions
Bradycardia, Sinus Node Dysfunction
Interventions
INGEVITY lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
44
States / cities
Gilbert, Arizona • Glendale, Arizona • Tucson, Arizona + 39 more
Conditions
Atrial Fibrillation, Atrial Flutter, Heart Block, Pulmonary Embolism and Thrombosis, Mitral Valve Repair, Sinus Node Dysfunction, Bradycardia, Brady-tachy Syndrome
Interventions
Perclose ProGlide Suture-Mediated Closure System (SMC) - LARGE-BORE PROCEDURES, Figure 8 Suture - LARGE-BORE PROCEDURES
Device · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Sick Sinus Syndrome, Complete Heart Block, Syncope, Chronic Systolic Heart Failure
Interventions
polymixin/bacitracin, cephalexin, or levofloxacin, or clindamycin, Saline
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
1,010 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Terminated Not applicable Interventional Results available

Left Bundle Area Versus Selective His Bundle Pacing

NCT04093414
Conditions
Bradycardia, Sinus Node Dysfunction, Atrioventricular Block
Interventions
Select Secure pacing lead
Device
Lead sponsor
David Haines, MD
Other
Eligibility
19 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Royal Oak, Michigan • Troy, Michigan
Recruiting No phase listed Observational Accepts healthy volunteers

Biospecimen Repository for Cardiac Arrhythmias at the Cleveland Clinic

NCT00921986
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