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ClinicalTrials.gov public records Last synced Oct 31, 2026, 10:37 AM EDT

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

Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: CRT device settings Clear all
Active, not recruiting Not applicable Interventional

SyncAV Post-Market Trial

NCT04100148
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
SyncAV programmed ON, Fixed AV delay
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,686 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
30
States / cities
Huntsville, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 31, 2026, 10:37 AM EDT
Not listed No phase listed Observational

The Registry Evaluating Functional Outcomes of Resynchronization Management

NCT00959179
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Not listed
Lead sponsor
Saint Luke's Health System
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Elgin, Illinois • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 14, 2009 · Synced Oct 31, 2026, 10:37 AM EDT
Completed Phase 4 Interventional Results available

Comparison of AV Optimization Methods Used in Cardiac Resynchronization Therapy (CRT)

NCT00677014
View directory record Official record
Conditions
Heart Failure
Interventions
AV Delay programming through cardiac resynchronization therapy
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2013 · Synced Oct 31, 2026, 10:37 AM EDT
Completed No phase listed Observational

Cardiac Resynchronization Therapy (CRT) and Left Ventricular Assist Devices (LVAD) Therapy

NCT02083419
View directory record Official record
Conditions
Heart Failure
Interventions
LVAD CRT
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Oct 31, 2026, 10:37 AM EDT
Withdrawn Not applicable Interventional

Effects of CRT Optimization as Assessed by Cardiac MR

NCT04763460
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 31, 2026, 10:37 AM EDT
Terminated Not applicable Interventional Results available

ECG for Programming in CRT

NCT03936608
View directory record Official record
Conditions
Systolic Heart Failure, Cardiac Resynchronization Therapy, Electrocardiography
Interventions
Programming individualized RV-LV pacing offset to optimize ECG, Nominally programming CRT device without RV-LV offset
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 100 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 31, 2026, 10:37 AM EDT
Terminated Not applicable Interventional

A Remotely Supervised Exercise Program for Lung Cancer Patients Undergoing Chemoradiation (REM)

NCT03500393
View directory record Official record
Conditions
Lung Cancer
Interventions
Remotely Supervised Exercise (REM), Unsupervised Exercise (UNSUP)
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Hanover, New Hampshire
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 31, 2026, 10:37 AM EDT
Completed No phase listed Observational

Programming Implantable Cardioverter Defibrillators in Patients With Primary Prevention Indication

NCT00743522
View directory record Official record
Conditions
Shock
Interventions
ICD/ CRT-D
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,670 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 31, 2026, 10:37 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 15, 2025 · Synced Oct 31, 2026, 10:37 AM EDT
Not listed Not applicable Interventional

Multi-lead ECG to Effectively Optimize Resynchronization Devices: New CRT Recipients

NCT04083690
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Reprogramming of CRT Device Settings to Optimal Electrical Synchrony
Device
Lead sponsor
Allina Health System
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Minneapolis, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced Oct 31, 2026, 10:37 AM EDT
Terminated Not applicable Interventional

Effect of Cardiac Resynchronization Therapy (CRT) on Left Ventricular Assist Device (LVAD) Function

NCT04153786
View directory record Official record
Conditions
LVAD (Left Ventricular Assist Device) Driveline Infection
Interventions
Temporary changes in an already-implanted medical device (biventricular pacemaker)
Other
Lead sponsor
University of California, Davis
Other
Eligibility
Not listed
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Oct 31, 2026, 10:37 AM EDT
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 31, 2026, 10:37 AM EDT
Terminated Early Phase 1 Interventional

A Pilot Study Comparing the Programmed Delay Between the Atrial and Ventricle Interval

NCT00794183
View directory record Official record
Conditions
Heart Failure
Interventions
CRT device settings
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 26, 2012 · Synced Oct 31, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing Rate Response With CLS Versus Accelerometer ICD Settings in Heart Failure Patients With BIOTRONIK CRT-Ds

NCT02693262
View directory record Official record
Conditions
Heart Failure, ICD, Chronotropic Incompetence
Interventions
CLS Mode on Biotronik CRT-D, Accelerometer Mode on Biotronik CRT-D
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 99 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2021 · Synced Oct 31, 2026, 10:37 AM EDT