Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 13, 2026, 11:39 PM EDT

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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Pacemaker, Diastolic Dysfunction, Diastolic Heart Failure
Interventions
Adjustment of lower rate limit, Maintenance of lower rate limit
Device
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Heart Failure
Interventions
Cardiac Resynchronization Therapy - MPP
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
1,338 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
46
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Chula Vista, California + 41 more
Conditions
Cardiac Amyloidosis, Pacemaker
Interventions
Pacemaker Rate
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Heart Failure With Preserved Ejection Fraction, Concentric Hypertrophy
Interventions
Pacemaker PLR + TRT ON, Pacemaker non-pacing mode or an exertional rate-adaptive pacing mode with no planned pacing at rest.
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
8
States / cities
Naples, Florida • O'Fallon, Illinois • Springfield, Illinois + 5 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Adaptive Self-Efficacy-Based AI Coaching for Cycling

NCT07318233
Conditions
Exercise Training, Exercise Behavior, Exercise Adherence Challenges, Motivation for Physical Activity, Motivational Enhancement
Interventions
Group 1: Self-efficacy-based AI coaching, Group 2: Static AI Affirmations
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 40 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Coral Gables, Florida
Completed No phase listed Observational

Personalized CRT - PSR

NCT03723265
Conditions
Heart Failure
Interventions
Cardiac Resynchronization Therapy
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
1,517 participants
Timeline
2012 – 2022
U.S. locations
88
States / cities
Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 85 more
Conditions
Non-obstructive Hypertrophic Cardiomyopathy, Hypertrophic Cardiomyopathy
Interventions
myPACE+ algorithm
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
The Bronx, New York
Recruiting Not applicable Interventional

ELEVATE-HFpEF Clinical Study

NCT06678841
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
Completed Not applicable Interventional

RECOVER-ENERGIZE Platform Protocol

NCT06404047
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
Personalized Cardiopulmonary Rehabilitation, Structured Pacing, Education, Usual Care
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
42
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 33 more