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ClinicalTrials.gov public records Last synced May 21, 2026, 9:11 PM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Bradycardia Clear all
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Atrial Fibrillation, Tachycardia, Supraventricular, Arrhythmia, Bradycardia
Interventions
Intervention Pacing Features
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
34
States / cities
Little Rock, Arkansas • Rancho Mirage, California • San Diego, California + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2012 · Synced May 21, 2026, 9:11 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Bradycardia
Interventions
Micra Transcatheter Pacing System
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
3,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
52
States / cities
Birmingham, Alabama • Los Angeles, California • Redwood City, California + 49 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced May 21, 2026, 9:11 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Atrial Fibrillation, Tachycardia, Bradycardia, Premature Supraventricular Beat, Premature Ventricular Contraction
Interventions
Cardiologs Platform
Device
Lead sponsor
Cardiologs Technologies
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
3
States / cities
Hackensack, New Jersey • Ridgewood, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced May 21, 2026, 9:11 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Bradycardia, Heart Failure, Ventricular Dysfunction
Interventions
Ultra High Frequency Electrocardiogram (UHF-ECG)
Device
Lead sponsor
VDI Technologies
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Avondale, Arizona • Mesa, Arizona • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced May 21, 2026, 9:11 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Gastroesophageal Reflux, Apnea, Bradycardia
Interventions
Erythromycin, Multi-channel intra-luminal impedance (MII) pH monitoring, Placebo (D5W)
Drug · Device
Lead sponsor
University of Virginia
Other
Eligibility
14 Days and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 4, 2013 · Synced May 21, 2026, 9:11 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 18, 2010 · Synced May 21, 2026, 9:11 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Cardiac Rhythm Disorder, Bradycardia, Cardiac Pacemaker Artificial
Interventions
Patient Preference Survey
Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
117 participants
Timeline
2022 – 2023
U.S. locations
11
States / cities
Scottsdale, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced May 21, 2026, 9:11 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Heart Failure, Pacing, Bradycardia, Arrhythmia
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
19 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2011
U.S. locations
84
States / cities
Birmingham, Alabama • Anchorage, Alaska • Phoenix, Arizona + 81 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced May 21, 2026, 9:11 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
2,483 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
59
States / cities
Little Rock, Arkansas • Bakersfield, California • Chula Vista, California + 56 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2018 · Synced May 21, 2026, 9:11 PM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Bradycardia
Interventions
St. Jude Medical Tendril MRI™ lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,768 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
66
States / cities
Phoenix, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 62 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced May 21, 2026, 9:11 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Bradycardia, Congestive Heart Failure
Interventions
EASYTRAK EPI lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced May 21, 2026, 9:11 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Symptomatic Bradycardia
Interventions
transcutaneous cardiac pacing
Procedure
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced May 21, 2026, 9:11 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Infant,Premature
Interventions
Cardiorespiratory monitoring
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 98 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 20, 2021 · Synced May 21, 2026, 9:11 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Bradycardia
Interventions
Leadless Pacemaker
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
952 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
50
States / cities
Birmingham, Alabama • Huntsville, Alabama • La Jolla, California + 43 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced May 21, 2026, 9:11 PM EDT
Not listed Phase 4 Interventional
View directory record Official record
Conditions
Labor Pain, Obstetric Pain
Interventions
Spinal fentanyl, Spinal bupivacaine, Spinal Fentanyl and Bupivacaine, Epidural fentanyl /spinal bupivacaine
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older · Female only
Enrollment
558 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced May 21, 2026, 9:11 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Arrhythmia, Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
2,927 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
110
States / cities
Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 107 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced May 21, 2026, 9:11 PM EDT
Completed Not applicable Interventional Results available
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 May 21, 2026, 9:11 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Arrhythmia, Bradycardia, Heart Failure, Sinus Tachycardia
Interventions
Device
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1983 – 2040
U.S. locations
113
States / cities
Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 110 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced May 21, 2026, 9:11 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
37,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2029
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced May 21, 2026, 9:11 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir VR Leadless Pacemaker System, Single-Chamber Transvenous Pacemaker
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
8,744 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced May 21, 2026, 9:11 PM EDT
Completed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Bradycardia
Interventions
CARDIX-101A, CARDIX-101B, CARDIX-101C
Drug
Lead sponsor
Cardix Therapeutics LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2024 · Synced May 21, 2026, 9:11 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Bradycardia
Interventions
Micra AV Transcatheter Pacing System
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
802 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
46
States / cities
Birmingham, Alabama • Rancho Mirage, California • Redwood City, California + 37 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced May 21, 2026, 9:11 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir VR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
3,427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2034
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 21, 2026, 9:11 PM EDT