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ClinicalTrials.gov public records Last synced May 21, 2026, 5:32 PM EDT

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

Showing 1–24 of 106 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Bradycardia Clear all
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Bradycardia
Interventions
Micra Pacemaker Implant
Device
Lead sponsor
Medtronic
Industry
Eligibility
18 Years and older
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
29
States / cities
Los Angeles, California • New Haven, Connecticut • Jacksonville, Florida + 25 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2018 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Bradycardia
Interventions
Pacing Lead
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
0 Years and older
Enrollment
365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
26
States / cities
Anchorage, Alaska • Peoria, Arizona • Long Beach, California + 23 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2006 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Cardiac Rhythm Disorder, Bradycardia
Interventions
Aveir VR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
38
States / cities
Birmingham, Alabama • Huntsville, Alabama • Scottsdale, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Bradycardia, Sudden Cardiac Arrest
Interventions
Remote Implant Support Capability
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Pacemaker, Bradycardia
Interventions
Pacemaker
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
950 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
27
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • North Little Rock, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2007 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Desaturation, Bradycardia, Tachycardia, Hypertension, Hypotension
Interventions
Rapid Response Team
Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 6, 2012 · Synced May 21, 2026, 5:32 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Gastroesophageal Reflux, Apnea, Bradycardia, Oxygen Desaturations
Interventions
Swaddle Blanket
Other
Lead sponsor
Valley Health System
Other
Eligibility
2 Days to 180 Days
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Ridgewood, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 20, 2015 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Prolonged Apnea, Prolonged Bradycardia
Interventions
Infanrix, Pediatrix
Biological
Lead sponsor
American SIDS Institute
Other
Eligibility
56 Days to 60 Days
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
10
States / cities
Austell, Georgia • Marietta, Georgia • Belle Mead, New Jersey + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2007 · Synced May 21, 2026, 5:32 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Reversal of Neuromuscular Blockade
Interventions
Sugammadex 2 mg/kg, Sugammadex 4 mg/kg, Sugammadex 16 mg/kg, Neostigmine + Glycopyrrolate, Rocuronium, Vecuronium
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
20
States / cities
Birmingham, Alabama • Tucson, Arizona • Loma Linda, California + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Shortness of Breath Episode, Tachycardia, Bradycardia, Difficulty Breathing
Interventions
Not listed
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
673 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Birmingham, Alabama • Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated May 12, 2024 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Atrial Fibrillation (AF), Tachycardia, Bradycardia, PVC - Premature Ventricular Contraction, Premature Atrial Contraction
Interventions
Test Algorithm and Test Device
Device
Lead sponsor
Zywie, Inc.
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Adenovirus, Anesthesia, Anxiety, Anxiolysis, Autism, Autistic Disorder, Bacterial Meningitis, Bacterial Septicemia, Benzodiazepine, Bipolar Disorder, Bone and Joint Infections, Central Nervous System Infections, Convulsions, Cytomegalovirus Retinitis, Early-onset Schizophrenia Spectrum Disorders, Epilepsy, General Anesthesia, Gynecologic Infections, Herpes Simplex Virus, Infantile Hemangioma, Infection, Inflammation, Inflammatory Conditions, Intra-abdominal Infections, Lower Respiratory Tract Infections, Migraines, Pain, Pneumonia, Schizophrenia, Sedation, Seizures, Skeletal Muscle Spasms, Skin and Skin-structure Infections, Treatment-resistant Schizophrenia, Urinary Tract Infections, Withdrawal, Sepsis, Gram-negative Infection, Bradycardia, Cardiac Arrest, Cardiac Arrhythmia, Staphylococcal Infections, Nosocomial Pneumonia, Neuromuscular Blockade, Methicillin Resistant Staphylococcus Aureus, Endocarditis, Neutropenia, Headache, Fibrinolytic Bleeding, Pulmonary Arterial Hypertension, CMV Retinitis, Hypertension, Chronic Kidney Diseases, Hyperaldosteronism, Hypokalemia, Heart Failure, Hemophilia, Heavy Menstrual Bleeding, Insomnia
Interventions
The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
Up to 21 Years
Enrollment
3,520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
43
States / cities
Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Bradycardia
Interventions
Cardiac pacing
Device
Lead sponsor
Duke University
Other
Eligibility
1 Day and older
Enrollment
1,383 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
8
States / cities
Sarasota, Florida • Chicago, Illinois • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced May 21, 2026, 5:32 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
2020 – 2029
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Congenital Disorder
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
19 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced May 21, 2026, 5:32 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Apnea of Prematurity, Intermittent Hypoxemia, Bradycardia
Interventions
Womb sound recordings
Other
Lead sponsor
Case Western Reserve University
Other
Eligibility
1 Week to 5 Weeks
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Fetal Bradycardia
Interventions
Labor Neuraxial Analgesia
Procedure
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older · Female only
Enrollment
1,077 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 2, 2022 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Sudden Cardiac Death, Bradycardia
Interventions
AV Therapy Assessment-B301 investigational device
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
36
States / cities
Anchorage, Alaska • Larkspur, California • Orlando, Florida + 32 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 28, 2008 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Heart Block, Bradycardia, Tachycardia, Arrhythmia
Interventions
MP3
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
4 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 27, 2009 · Synced May 21, 2026, 5:32 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Neonatal Bradycardia, Hypoxemia of Newborn
Interventions
Owlet OSS 3.0
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 365 Days
Enrollment
70 participants
Timeline
2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced May 21, 2026, 5:32 PM EDT
Terminated Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Congenital Heart Disease, Bradycardia Sinus
Interventions
Closed loop stimulation, Standard rate response
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced May 21, 2026, 5:32 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Bradycardia, Sinus Node Dysfunction
Interventions
INGEVITY lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
44
States / cities
Gilbert, Arizona • Glendale, Arizona • Tucson, Arizona + 39 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced May 21, 2026, 5:32 PM EDT