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 23, 2026, 2:28 PM EDT

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

Showing 1–24 of 166 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cardiac Pacing Clear all
Terminated Not applicable Interventional Results available

Right Ventricular Septal Pacing in Patients With Right Bundle Branch Block and Heart Failure (The SPARK Trial)

NCT02441101
View directory record Official record
Conditions
Right Bundle-Branch Block, Heart Failure
Interventions
RV DDD(R)-60 with AV optimization, RV DDD(R)-60
Device
Lead sponsor
Barry London
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 18, 2024 · Synced Oct 23, 2026, 2:28 PM EDT
Completed No phase listed Observational

Genetic Basis of Pacing-induced Cardiomyopathy

NCT03317964
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 22, 2025 · Synced Oct 23, 2026, 2:28 PM EDT
Completed No phase listed Observational Results available

ProMRI Study of the Entovis Pacemaker System (Phase B)

NCT02009696
View directory record Official record
Conditions
Magnetic Resonance Imaging (MRI); Cardiac Pacing
Interventions
Patients with a ProMRI Pacemaker System, Magnetic Resonance Imaging (MRI) scan
Device · Other
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
32
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Concord, California + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2015 · Synced Oct 23, 2026, 2:28 PM EDT
Not listed Not applicable Interventional

Electrically Guided Bachmann's Bundle Pacing: A Lead Placement Strategy With Potential Antiarrhythmic Benefits

NCT05153291
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Bachmann's bundle lead placement, Right atrial appendage lead placement
Procedure
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 23, 2026, 2:28 PM EDT
Completed Not applicable Interventional Results available

HIS-Purkinje Conduction System Pacing Optimized Trial of Cardiac Resynchronization Therapy

NCT04561778
View directory record Official record
Conditions
Heart Failure，Congestive, Cardiomyopathies, Left Ventricular Dysfunction
Interventions
HOT-CRT, Biventricular Pacing
Device
Lead sponsor
Pugazhendhi Vijayaraman
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 7, 2024 · Synced Oct 23, 2026, 2:28 PM EDT
Completed No phase listed Observational

HBP Device EGM Data Collection

NCT03564860
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Oct 23, 2026, 2:28 PM EDT
Completed Not applicable Interventional

Novel Cardiac Pacing to Initiate Cardiac Remodeling in Heart Failure

NCT05600725
View directory record Official record
Conditions
Cardiomyopathies, Heart Rate, Conditioning
Interventions
novel atrial pacing approach, sham pacing approach
Other
Lead sponsor
Denise Hodgson-Zingman
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Oct 23, 2026, 2:28 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Low Sugar Protein Pacing, Intermittent Fasting Diet in Men and Women

NCT04327141
View directory record Official record
Conditions
Weight Loss, Gut Microbiome, Anti-Aging
Interventions
P-IF, HH
Behavioral
Lead sponsor
Skidmore College
Other
Eligibility
25 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2024 · Synced Oct 23, 2026, 2:28 PM EDT
Completed Not applicable Interventional Results available

Predictors of Response to Biventricular Pacing in Heart Failure

NCT00156390
View directory record Official record
Conditions
Heart Failure, Wide QRS Complex
Interventions
echo-guided left ventricular lead placement, LV lead placement as per standard of care (without echo guidance)
Device · Other
Lead sponsor
Samir Saba
Other
Eligibility
18 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 6, 2019 · Synced Oct 23, 2026, 2:28 PM EDT
Recruiting Not applicable Interventional

Bachmann's Bundle Versus Right Atrial Appendage Pacing

NCT07874763
View directory record Official record
Conditions
Atrial Fibrillation (AF)
Interventions
Bachmann's Bundle Pacing, Right Atrial Appendage Pacing
Device
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years and older
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 23, 2026, 2:28 PM EDT
Completed Not applicable Interventional Results available

Intra-procedural Transthoracic EChocardiogram to Facilitate Left Bundle Branch Area Pacing (LBBAP)

NCT05646251
View directory record Official record
Conditions
Heart Failure
Interventions
Heart Ultrasound
Device
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years to 89 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 23, 2026, 2:28 PM EDT
Completed Not applicable Interventional

Temporary Biventricular Pacing

NCT01987531
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 14, 2017 · Synced Oct 23, 2026, 2:28 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 22, 2025 · Synced Oct 23, 2026, 2:28 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 Aug 20, 2026 · Synced Oct 23, 2026, 2:28 PM EDT
Terminated Not applicable Interventional Results available

Biventricular Versus Right Ventricular Pacing

NCT06298669
View directory record Official record
Conditions
Heart Failure
Interventions
Biventricular Pacing, Right Ventricular Pacing
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Oct 23, 2026, 2:28 PM EDT
Completed Phase 2Phase 3 Interventional

Comparison of Medical Therapy, Pacing and Defibrillation in Heart Failure

NCT00180258
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Cardiac Resynchronization Therapy with & without defibrillator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 25, 2007 · Synced Oct 23, 2026, 2:28 PM EDT
Completed Not applicable Interventional Results available

ECG Belt to Assess Electrical Synchronization

NCT04583709
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 22, 2022 · Synced Oct 23, 2026, 2:28 PM EDT
Recruiting Not applicable Interventional

Safety and Effectiveness of Left Bundle Branch Area Pacing Versus Conventional Cardiac Resynchronization Therapy in Heart Failure

NCT07069738
View directory record Official record
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
42
States / cities
Huntsville, Alabama • Mobile, Alabama • Phoenix, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 23, 2026, 2:28 PM EDT
Completed No phase listed Observational

Parallel Mapping for Ventricular Tachycardia

NCT04477499
View directory record Official record
Conditions
Ventricular Tachycardia (V-Tach), Implantable Cardioverter Defibrillator (ICD), Arrythmia
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 10, 2023 · Synced Oct 23, 2026, 2:28 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 Feb 1, 2017 · Synced Oct 23, 2026, 2:28 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 8, 2012 · Synced Oct 23, 2026, 2:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Strategic Management to Improve CRT Using Multi-Site Pacing Post Approval Study (Reference # C1918)

NCT03257436
View directory record Official record
Conditions
Left Ventricular Dysfunction
Interventions
CRT-D
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
586 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
54
States / cities
Mobile, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 51 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Oct 23, 2026, 2:28 PM EDT
Active, not recruiting Not applicable Interventional

Comparison of Left Bundle Branch Area Versus Right Ventricular Septal Pacing in Patients With High-degree Conduction Disease After Transcatheter Aortic Valve Replacement (Left Bundle BRAVE)

NCT05541679
View directory record Official record
Conditions
Complete Heart Block, High Degree Second Degree Atrioventricular Block, Pacemaker-Induced Cardiomyopathy, Aortic Valve Stenosis
Interventions
Right ventricular septal pacing followed by left bundle branch area pacing, Left bundle branch area pacing followed by right ventricular septal pacing
Device
Lead sponsor
Main Line Health
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
4
States / cities
Overland Park, Kansas • Ridgewood, New Jersey • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Oct 23, 2026, 2:28 PM EDT
Completed Not applicable Interventional Results available

Reduction of Right Ventricular Pacing Using the Feature Ventricular Intrinsic Preference (VIP)

NCT00311168
View directory record Official record
Conditions
Bradycardia
Interventions
Intervention/treatment
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 100 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Oct 23, 2026, 2:28 PM EDT