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ClinicalTrials.gov public records Last synced May 21, 2026, 10:00 PM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Heart Failure With Left Bundle Branch Block Clear all
Completed Not applicable Interventional
View directory record Official record
Conditions
Heart Failure, Left Bundle-Branch Block
Interventions
Mapping and Pacing the His Bundle, Placing a guidewire in Coronary sinus for measurement of Q-LV during His Bundle pacing or, if needed, for LV pacing
Procedure
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced May 21, 2026, 10:00 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Heart Failure With Left Bundle Branch Block
Interventions
aCRT ON, aCRT OFF
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
3,797 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
90
States / cities
Mesa, Arizona • Phoenix, Arizona • Little Rock, Arkansas + 76 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced May 21, 2026, 10:00 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Cardiomyopathies, Heart Failure, Non-left Bundle Branch Block, Cardiac Resynchronization Therapy
Interventions
CRT-D implantation
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 17, 2025 · Synced May 21, 2026, 10:00 PM EDT
Recruiting Not applicable Interventional
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 May 21, 2026, 10:00 PM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Heart Failure, Systolic, Left Bundle-Branch Block
Interventions
ECGI-optimized VV-offset, Zero VV-offset
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 100 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced May 21, 2026, 10:00 PM EDT
Active, not recruiting Not applicable Interventional
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 May 21, 2026, 10:00 PM EDT