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ClinicalTrials.gov public records Last synced Sep 7, 2026, 3:16 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Syncope, Heart Block, Conduction Disorder of the Heart
Interventions
pacemaker, implantable loop recorder
Procedure
Lead sponsor
Canadian Institutes of Health Research (CIHR)
Government
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Terminated Not applicable Interventional Results available

Optimize RV Selective Site Pacing Clinical Trial

NCT00422669
Conditions
Cardiac Pacing, Artificial, Cardiac Pacemaker, Artificial
Interventions
Medtronic Dual-Chamber Pacemaker, Medtronic SelectSecure 3830 Lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
16
States / cities
Bridgeport, Connecticut • Clearwater, Florida • Hudson, Florida + 13 more
Conditions
Heart Failure
Interventions
AI-assisted Left Bundle Branch Area Pacing, Left Bundle Branch Area Pacing
Device · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Not listed No phase listed Observational Accepts healthy volunteers

Healthy Starts: Repeated Exposure Pilot

NCT05639361
Conditions
Feeding Behavior
Interventions
Repeated Exposure
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Months to 12 Months
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
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
Conditions
Heart Failure, Systolic
Interventions
Programming of CRT device settings
Device
Lead sponsor
Minneapolis Heart Institute Foundation
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Minneapolis, Minnesota • Saint Paul, Minnesota
Completed Not applicable Interventional

Temporary Biventricular Pacing

NCT01987531
Conditions
Right Ventricular (RV) Dysfunction
Interventions
left ventricular epicardial pacing lead
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 84 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Atrial Fibrillation
Interventions
Pace During 1st Half of Lesion, Pace During 2nd Half of Lesion
Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Amyotrophic Lateral Sclerosis (ALS)
Interventions
NeuRx Diaphragm Pacing System (DPS)
Device
Lead sponsor
Synapse Biomedical
Industry
Eligibility
21 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
11
States / cities
Los Angeles, California • San Francisco, California • Denver, Colorado + 8 more
Completed No phase listed Observational Results available

Diaphragm Pacing in Individuals With Spinal Cord Injuries

NCT04179799
Conditions
Cervical Spinal Cord Injury
Interventions
Diaphragm Pacing
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Completed Not applicable Interventional Results available

REmodeling the Left Ventricle With Atrial Modulated Pacing

NCT03210402
Conditions
Heart Failure
Interventions
Elevated night pacing on, Elevated night pacing off
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years to 99 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
10
States / cities
Tucson, Arizona • Stockton, California • Chicago, Illinois + 7 more
Completed Not applicable Interventional Results available

ECG Belt to Assess Electrical Synchronization

NCT04583709
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
Conditions
Pacemaker, Artificial, Cardiomyopathies
Interventions
Saliva sample
Other
Lead sponsor
The Guthrie Clinic
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Sayre, Pennsylvania
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Personalized Therapy Study - Intrinsic Antitachycardia Pacing Post-Approval Study (iATP PAS)

NCT04496518
Conditions
Ventricular Tachycardia
Interventions
Intrinsic Antitachycardia Pacing (iATP) Therapy
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
2,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
51
States / cities
Chandler, Arizona • Little Rock, Arkansas • Chula Vista, California + 44 more
Conditions
Heart Failure - NYHA II - IV
Interventions
CRT-D with a Quadripolar LV lead, CRT-D with INGEVITY+ pace/sense lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
40
States / cities
Huntsville, Alabama • Mobile, Alabama • Phoenix, Arizona + 34 more
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 21 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Results available

Micra Transcatheter Pacing Study

NCT02004873
Conditions
Class I or II Indication for Implantation of a Single Chamber Ventricular Pacemaker According to ACC/AHA/HRS 2001 Guidelines and Any National Guidelines
Interventions
Micra Pacemaker Implant
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
744 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
30
States / cities
La Jolla, California • Los Angeles, California • New Haven, Connecticut + 26 more
Conditions
Heart Failure, Right Bundle-Branch Block
Interventions
VVI-40, RV DDD-40, BiV DDD-40
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Durham, North Carolina
Terminated Not applicable Interventional Results available

Managed Ventricular Pacing ("MVP") Trial

NCT00281099
Conditions
Heart Disease
Interventions
ICD (Implantable Cardioverter Defibrillator)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,031 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
50
States / cities
Anchorage, Alaska • Little Rock, Arkansas • North Little Rock, Arkansas + 47 more
Completed Phase 3 Interventional

SITELINE 2 Polyurethane

NCT00180284
Conditions
Bradycardia
Interventions
SITELINE 2 Polyurethane (pacing lead)
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Saint Paul, Minnesota
Conditions
Bradycardia
Interventions
Pacing Lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
0 Years and older
Enrollment
365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
26
States / cities
Anchorage, Alaska • Peoria, Arizona • Long Beach, California + 23 more
Completed No phase listed Observational Accepts healthy volunteers

Transvenous Lead Removal Post-Market Clinical Study

NCT03688412
Conditions
Cardiac Electrophysiology
Interventions
Cook lead extraction devices
Device
Lead sponsor
Cook Research Incorporated
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
6
States / cities
San Francisco, California • Urbana, Illinois • Raleigh, North Carolina + 3 more
Conditions
Ventilator Induced Diaphragm Dysfunction
Interventions
Lungpacer DPTS (Diaphragm Pacing Therapy System)
Device
Lead sponsor
Lungpacer Medical Inc.
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
4
States / cities
Gainesville, Florida • New York, New York • Philadelphia, Pennsylvania + 1 more
Active, not recruiting No phase listed Observational

Micra Transcatheter Pacing System Post-Approval Registry

NCT02536118
Conditions
Bradycardia
Interventions
Micra Transcatheter Pacing System
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
3,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
52
States / cities
Birmingham, Alabama • Los Angeles, California • Redwood City, California + 49 more