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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Cardiac Pacing Clear all
Completed Not applicable Interventional Results available

Efficacy Study of Pacemakers to Treat Slow Heart Rate in Patients With Heart Failure

NCT02145351
View directory record Official record
Conditions
Heart Failure With a Preserved Ejection Fraction, Heart Failure, Diastolic, Chronotropic Incompetence
Interventions
Rate adaptive atrial pacing using a dual-chamber pacemaker, Pacemaker system will be implanted but set to Pacing Off.
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Jul 22, 2026, 2:14 PM EDT
Completed Not applicable Interventional

CAPTURE - Complete Automatic Pacing Threshold Utilization Recorded by EnPulse

NCT00275769
View directory record Official record
Conditions
Arrhythmia, Bradycardia
Interventions
Pacemaker
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
860 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
51
States / cities
Anchorage, Alabama • Mobile, Alabama • Fullerton, California + 48 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2008 · Synced Jul 22, 2026, 2:14 PM 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 May 6, 2026 · Synced Jul 22, 2026, 2:14 PM EDT
Not yet 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 Mar 17, 2026 · Synced Jul 22, 2026, 2:14 PM EDT
Recruiting Not applicable Interventional

Elevated Rate Pacing of Cardiac Amyloidosis

NCT07583823
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 Jul 22, 2026, 2:14 PM EDT
Terminated No phase listed Observational

Biventricular Pacing in the Pediatric Population

NCT00267423
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
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 3, 2007 · Synced Jul 22, 2026, 2:14 PM EDT
Recruiting No phase listed Observational

Abbott Vascular Medical Device Registry

NCT04573660
View directory record Official record
Conditions
Acute Myocardial Infarction, Restenoses, Coronary, Coronary Artery Lesions, Venous Embolism, Arterial Embolism
Interventions
Coronary and peripheral stents, Pacing catheters, Vascular plugs, Measurement and imaging (FFR and OCT), Peripheral dilatation catheters, Coronary dilatation catheters, Coronary and peripheral guidewires, Vessel closure/compression devices, Vascular access introducers
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
3,784 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2031
U.S. locations
7
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Jul 22, 2026, 2:14 PM EDT
Completed No phase listed Observational

ECGi of SyncAV With MultiPoint Pacing

NCT06444386
View directory record Official record
Conditions
Cardiac Resynchronization Therapy
Interventions
MPP + SyncAV
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Jul 22, 2026, 2:14 PM EDT
Terminated Not applicable Interventional

Adaptive Cardiac Resynchronization Therapy in Patients With RBBB

NCT05936294
View directory record Official record
Conditions
Right Bundle-Branch Block
Interventions
Optimization of CRT Device
Diagnostic Test
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 89 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Little Rock, Arkansas • Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 6, 2023 · Synced Jul 22, 2026, 2:14 PM EDT
Completed Not applicable Interventional Results available

Attain Performa(TM) Quadripolar Lead Study

NCT01751022
View directory record Official record
Conditions
Heart Failure
Interventions
Device: Attain Performa Pacing Lead (along with a standard CRT-D system)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
67
States / cities
Glendale, California • Riverside, California • San Diego, California + 64 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2016 · Synced Jul 22, 2026, 2:14 PM EDT
Recruiting Not applicable Interventional

His-Bundle Corrective Pacing in Heart Failure

NCT05265520
View directory record Official record
Conditions
Right Bundle-Branch Block, Heart Failure, His-bundle Pacing, Cardiac Resynchronization Therapy
Interventions
His-CRT implantation, BIV-CRT implantation
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
14
States / cities
Phoenix, Arizona • Los Angeles, California • Tampa, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Jul 22, 2026, 2:14 PM EDT
Withdrawn Not applicable Interventional

Short Atrioventricular Delay Pacing

NCT01233661
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 Jul 22, 2026, 2:14 PM EDT
Terminated Not applicable Interventional Results available

MOre REsponse on Cardiac Resynchronization Therapy With MultiPoint Pacing

NCT02006069
View directory record Official record
Conditions
Heart Failure
Interventions
MPP
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
5,850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
32
States / cities
Huntsville, Alabama • Mesa, Arizona • Phoenix, Arizona + 29 more
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Jul 22, 2026, 2:14 PM EDT
Completed No phase listed Observational

InSync Implantable Cardioverter Defibrillator Registry: Cardiac Resynchronization Therapy

NCT00289302
View directory record Official record
Conditions
Heart Failure, Cardiomyopathy
Interventions
Cardiac resynchronization therapy device
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
51
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 48 more
Source: ClinicalTrials.gov public record
Updated Oct 4, 2007 · Synced Jul 22, 2026, 2:14 PM EDT
Completed Phase 3 Interventional

Biventricular Pacing In Patients With Left Ventricular Dysfunction After Cardiovascular Surgery

NCT00321295
View directory record Official record
Conditions
Cardiomyopathy, Heart Failure, Congestive, Thoracic Surgery
Interventions
Atrial synchronous bi-ventricular pacing
Device
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 4, 2011 · Synced Jul 22, 2026, 2:14 PM EDT
Completed Not applicable Interventional Results available

Reducing Episodes by Septal Pacing Efficacy Confirmation Trial (RESPECT)

NCT00289289
View directory record Official record
Conditions
Atrial Fibrillation, Tachycardia, Supraventricular, Arrhythmia, Bradycardia
Interventions
Intervention Pacing Features
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
34
States / cities
Little Rock, Arkansas • Rancho Mirage, California • San Diego, California + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2012 · Synced Jul 22, 2026, 2:14 PM EDT
Withdrawn Phase 1 Interventional

Study to Determine the Safety and Feasibility of Utilizing the CD Leycom Pressure/Conductance Catheter to Determine Optimal LV Pacing Site

NCT01586884
View directory record Official record
Conditions
Heart Failure
Interventions
Pressure/Conductance Catheter
Procedure
Lead sponsor
Lancaster General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2014 · Synced Jul 22, 2026, 2:14 PM EDT
Completed Not applicable Interventional Results available

Attain Stability™ Quad Clinical Study

NCT03099655
View directory record Official record
Conditions
Heart Failure
Interventions
Attain Stability Quad Left Ventricular Pacing Lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
35
States / cities
Phoenix, Arizona • East Palo Alto, California • Torrance, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2020 · Synced Jul 22, 2026, 2:14 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Angiography and Electrogram Guided Bachmann Bundle Pacing

NCT07110922
View directory record Official record
Conditions
Heart Diseases
Interventions
Angiography only, Angiography and ECG
Diagnostic Test
Lead sponsor
Pugazhendhi Vijayaraman
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Jul 22, 2026, 2:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers to Predict CRT Response in Patients With HF (BIOCRT)

NCT01949246
View directory record Official record
Conditions
Heart Failure
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 2, 2022 · Synced Jul 22, 2026, 2:14 PM EDT
Completed Phase 4 Interventional

Syncope: Pacing or Recording in the Later Years

NCT01423994
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Jul 22, 2026, 2:14 PM EDT
Completed No phase listed Observational

Siemens 3-D C-Arm CT of the Heart Chambers

NCT00619450
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
3D C-arm CT scan
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Jul 22, 2026, 2:14 PM EDT
Terminated Not applicable Interventional Results available

Investigational Device Exemption (IDE) Study for the Approval of Closed Loop Stimulation (CLS) and Cardiac Resyncronization Pacing Therapies (CRT) for the Treatment of Atrial Fibrillation (AF) With Ablate and Pace

NCT00356057
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 Jul 22, 2026, 2:14 PM EDT
Completed Phase 4 Interventional

Reduce Ventricular Pacing in Dual Chamber Implantable Cardioverter Defibrillators Using AutoIntrinsic Conduction Search Study

NCT00187239
View directory record Official record
Conditions
Arrhythmia
Interventions
Autointrinsic Conduction Search Algorithm
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Pomona, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Jul 22, 2026, 2:14 PM EDT