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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 4, 2026, 10:34 AM 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 33 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Biventricular Pacing Clear all
Completed No phase listed Observational

CRT Pilot Study for Children With Heart Failure

NCT00585065
View directory record Official record
Conditions
Chronic Pediatric Heart Failure
Interventions
CRT device implant
Device
Lead sponsor
University of Utah
Other
Eligibility
1 Year to 18 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Sep 4, 2026, 10:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Strategic Management to Optimize Response To Cardiac Resynchronization Therapy

NCT03089281
View directory record Official record
Conditions
Heart Failure
Interventions
CRT-D
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
699 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
41
States / cities
Birmingham, Alabama • Huntsville, Alabama • Tucson, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Sep 4, 2026, 10:34 AM EDT
Completed Phase 4 Interventional Results available

Response of Cardiac Resynchronization Therapy Optimization With Ventricle to Ventricle Timing in Heart Failure Patients

NCT00187200
View directory record Official record
Conditions
Heart Failure
Interventions
Simultaneous VV Pacing, Sequential VV Pacing
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
816 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Sep 4, 2026, 10:34 AM EDT
Recruiting No phase listed Observational

The WiSE®-UP Registry (The WiSE System Utilization & Performance Registry)

NCT07098858
View directory record Official record
Conditions
Heart Failure
Interventions
The Wise System
Device
Lead sponsor
EBR Systems, Inc.
Industry
Eligibility
Not listed
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
5
States / cities
Jonesboro, Arkansas • Naples, Florida • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 4, 2026, 10:34 AM EDT
Completed Phase 2Phase 3 Interventional

Safety and Effectiveness of Cardiac Resynchronization Therapy With Defibrillation

NCT00387803
View directory record Official record
Conditions
Heart Failure, Congestive, Ventricular Fibrillation, Tachycardia, Ventricular
Interventions
Cardiac Resynchronization Therapy with Defibrillation
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Not listed
Enrollment
581 participants
Timeline
1998 – 2001
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 24, 2007 · Synced Sep 4, 2026, 10:34 AM 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 13, 2017 · Synced Sep 4, 2026, 10:34 AM 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 21, 2022 · Synced Sep 4, 2026, 10:34 AM 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 Sep 4, 2026, 10:34 AM EDT
Active, not recruiting Not applicable Interventional

REsynchronization Comparison In LBBB and Normal or Mildly Reduced VENTricular Function With CRT (REINVENT-CRT)

NCT05652218
View directory record Official record
Conditions
Left Ventricular Ejection Fraction, Heart Failure (HF), Left Bundle-Branch Block
Interventions
LB-CRT, BIV-CRT
Device
Lead sponsor
Inova Health Care Services
Other
Eligibility
Not listed
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Durham, North Carolina • Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 4, 2026, 10:34 AM EDT
Completed Not applicable Interventional

Comparison of Epicardial Versus Conventional Lead Placement in Cardiac Resynchronization Therapy

NCT01302470
View directory record Official record
Conditions
Cardiac Resynchronization Therapy, Heart Failure
Interventions
Primary epicardial placement of left ventricular lead, Transvenous placement of left ventricular lead
Procedure
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 18, 2015 · Synced Sep 4, 2026, 10:34 AM EDT
Completed Not applicable Interventional Results available

QP ExCELs: MultiPole Pacing (MPP) Sub-Study

NCT03155724
View directory record Official record
Conditions
Heart Failure
Interventions
MultiPole Pacing
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
44
States / cities
Fairhope, Alabama • Inglewood, California • Rancho Mirage, California + 37 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2021 · Synced Sep 4, 2026, 10:34 AM EDT
Completed No phase listed Observational

Predicting Response to Cardiac Resynchronization Therapy in Heart Failure

NCT00359372
View directory record Official record
Conditions
Heart Failure, Left Ventricular Dysfunction
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
3
States / cities
Baltimore, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 4, 2026, 10:34 AM 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 Sep 4, 2026, 10:34 AM EDT
Completed Phase 3 Interventional Results available

MultiPoint Pacing IDE Study

NCT01786993
View directory record Official record
Conditions
Heart Failure
Interventions
MultiPoint Pacing, Traditional Biventricular Pacing
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
506 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
49
States / cities
Huntsville, Alabama • Mesa, Arizona • Little Rock, Arkansas + 44 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Sep 4, 2026, 10:34 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Optimized Biventricular Pacing Allograft Recipients

NCT01290822
View directory record Official record
Conditions
Dilated Cardiomyopathy, Ischemic Cardiomyopathy
Interventions
BiVP, AAI Pacing
Device
Lead sponsor
Henry M. Spotnitz
Other
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Sep 4, 2026, 10:34 AM EDT
Completed Phase 2 Interventional Results available

Interventricular Delay of Lumax HF-T for Heart Failure

NCT00508391
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Optimized interventricular delay biventricular pacing
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
18
States / cities
Fairfield, California • La Jolla, California • Santa Barbara, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2010 · Synced Sep 4, 2026, 10:34 AM EDT
Recruiting Not applicable Interventional

Left vs Left Randomized Clinical Trial

NCT05650658
View directory record Official record
Conditions
Heart Failure, Heart Failure With Reduced Ejection Fraction, AV Block, LBBB, RBBB, Intraventricular Conduction Delay, Pacing-Induced Cardiomyopathy
Interventions
His/LBBP, BiVP
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
2,136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
57
States / cities
Gilbert, Arizona • Tucson, Arizona • Little Rock, Arkansas + 46 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Sep 4, 2026, 10:34 AM EDT
Completed Not applicable Interventional Results available

Conduction System Pacing Optimized Therapy

NCT04905290
View directory record Official record
Conditions
Heart Failure
Interventions
Left ventricular coronary sinus (BiV) configuration, Conduction system pacing-only configuration, Conduction System Pacing Optimized Therapy (CSPOT) configuration
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
7
States / cities
Tampa, Florida • Chicago, Illinois • Houma, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Sep 4, 2026, 10:34 AM EDT
Completed Not applicable Interventional Results available

Junctional AV Ablation in CRT-D: JAVA-CRT

NCT02946853
View directory record Official record
Conditions
Systolic Heart Failure, Atrial Fibrillation (Permanent)
Interventions
Atrioventricular junctional (AVJ) ablation, Cardiac resynchronization therapy - defibrillator
Procedure · Device
Lead sponsor
University of Rochester
Other
Eligibility
21 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
21
States / cities
Little Rock, Arkansas • Pasadena, California • Atlanta, Georgia + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2022 · Synced Sep 4, 2026, 10:34 AM EDT
Terminated Not applicable Interventional Results available

MIRACLE EF Clinical Study

NCT01735916
View directory record Official record
Conditions
Congestive Heart Failure, Left Bundle Branch Block, Systolic Heart Failure
Interventions
CRT-P Implant, CRT-P OFF
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
69
States / cities
Concord, California • La Jolla, California • Los Angeles, California + 62 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 4, 2026, 10:34 AM 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 5, 2019 · Synced Sep 4, 2026, 10:34 AM 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 Sep 4, 2026, 10:34 AM EDT
Completed Not applicable Interventional Results available

Biventricular Versus Right Ventricular Pacing in Heart Failure Patients With Atrioventricular Block (BLOCK HF)

NCT00267098
View directory record Official record
Conditions
Atrioventricular Block, Heart Diseases
Interventions
Cardiac Resynchronization Therapy (CRT)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
918 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
51
States / cities
Anchorage, Alaska • Peoria, Arizona • Little Rock, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2014 · Synced Sep 4, 2026, 10:34 AM EDT
Completed No phase listed Observational Results available

MultiPoint Pacing™ Post Market Study

NCT02832622
View directory record Official record
Conditions
Heart Failure
Interventions
MPP, BiV/MPP
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
2,169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
110
States / cities
Birmingham, Alabama • Huntsville, Alabama • Avondale, Arizona + 99 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2021 · Synced Sep 4, 2026, 10:34 AM EDT