- 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
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.
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.
Local D1 index available.
- 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
- Conditions
- Symptomatic First-degree Heart Block
- Interventions
- Dual chamber Medtronic pacemaker implantation., DDD-50 pacing program, AAI-DDD 50 pacing program
- Device · Other
- Lead sponsor
- Ascension Health
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Sick Sinus Syndrome, Heart Failure, Congestive, Atrial Fibrillation, Bradycardia, Ventricular Dysfunction
- Interventions
- Implantable Pulse Generators
- Device
- Lead sponsor
- Medtronic Cardiac Rhythm and Heart Failure
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 1,070 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2008
- U.S. locations
- 63
- States / cities
- Phoenix, Arizona • Scottsdale, Arizona • Conway, Arkansas + 60 more
- Conditions
- Sinus Node Dysfunction
- Interventions
- Reprogramming dual chamber pacemaker
- Device
- Lead sponsor
- Arun Rao
- Other
- Eligibility
- 60 Years to 95 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Kingsport, Tennessee
- Conditions
- Cardiac Pacing, Right Ventricular Pacing, Left Ventricular Ejection Fraction
- Interventions
- Medtronic or Vitatron Dual-Chamber Pacemaker, Medtronic SelectSecure 3830 Lead
- Device
- Lead sponsor
- Medtronic Cardiac Rhythm and Heart Failure
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 67 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 10
- States / cities
- Des Moines, Iowa • Silver Spring, Maryland • Southfield, Michigan + 7 more
- Conditions
- Bradycardia, Arrhythmia
- Interventions
- Transtelephonic monitoring (TTM), Medtronic CareLink® Network
- Other
- Lead sponsor
- Medtronic Cardiac Rhythm and Heart Failure
- Industry
- Eligibility
- Not listed
- Enrollment
- 980 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2008
- U.S. locations
- 45
- States / cities
- Scottsdale, Arizona • Little Rock, Arkansas • Washington D.C., District of Columbia + 42 more
- Conditions
- Heart Failure
- Interventions
- Medtronic Pacemaker
- Device
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Heart Failure With Preserved Ejection Fraction (HFpEF)
- Interventions
- Personalized cardiac pacing
- Device
- Lead sponsor
- Medtronic Cardiac Rhythm and Heart Failure
- Industry
- Eligibility
- 40 Years and older
- Enrollment
- 700 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 26
- States / cities
- Phoenix, Arizona • San Francisco, California • Hartford, Connecticut + 22 more
- Conditions
- Cardiac Pacemaker, Artificial
- Interventions
- His bundle pacing
- Device
- Lead sponsor
- Medtronic Cardiac Rhythm and Heart Failure
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2020
- U.S. locations
- 3
- States / cities
- Indianapolis, Indiana • Wilkes-Barre, Pennsylvania • Richmond, Virginia
- Conditions
- Myocardial Infarction, Sudden Death
- Interventions
- Implantable Cardioverter Defibrillator + Usual Care, Usual care
- Device · Other
- Lead sponsor
- University of Calgary
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 700 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2024
- U.S. locations
- 29
- States / cities
- Huntsville, Alabama • Lakewood, Colorado • Tampa, Florida + 23 more
- Conditions
- Cardiac Pacing, Artificial, Cardiac Pacemaker, Artificial
- Interventions
- Medtronic Dual-Chamber Pacemaker, Medtronic SelectSecure 3830 Lead
- Device
- Lead sponsor
- Medtronic Cardiac Rhythm and Heart Failure
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 205 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 16
- States / cities
- Bridgeport, Connecticut • Clearwater, Florida • Hudson, Florida + 13 more
- Conditions
- Magnetic Resonance Imaging, Cardiac Pacemaker, Artificial
- Interventions
- Medtronic Advisa MRI Implantable Pulse Generator (IPG), Medtronic CapSureFix MRI™ active fixation MRI lead
- Device
- Lead sponsor
- Medtronic Cardiac Rhythm and Heart Failure
- Industry
- Eligibility
- Not listed
- Enrollment
- 269 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2013
- U.S. locations
- 11
- States / cities
- Salinas, California • Orlando, Florida • West Des Moines, Iowa + 8 more
- Conditions
- Heart Failure
- Interventions
- Conduction system pacing, Bi-ventricular pacing
- Device
- Lead sponsor
- Medtronic Cardiac Rhythm and Heart Failure
- Industry
- Eligibility
- Not listed
- Enrollment
- 6,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2030
- U.S. locations
- 1
- States / cities
- Mounds View, Minnesota