Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 26, 2026, 8:45 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Infant,Premature
Interventions
Cardiorespiratory monitoring
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 15 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Bradycardia, Heart Failure
Interventions
CRT-D Implantation, CRT-P Implantation, Dual Chamber Pacemaker Implantation
Procedure
Lead sponsor
Yong-Mei Cha
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
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
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
Completed Not applicable Interventional Results available

The LEADLESS II IDE Study for the Nanostim Leadless Pacemaker

NCT02030418
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
Completed Not applicable Interventional Results available

Micra Transcatheter Pacing System Continued Access Study Protocol

NCT02488681
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
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Optimizing Dose of Bupivacaine in Combined Spinal Epidurals To Reduce Side Effects

NCT02159807
Conditions
Pregnancy
Interventions
Bupivacaine, Fentanyl
Drug
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 48 Years · Female only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Apnea, Bradycardia, Premature Birth, Seizures
Interventions
microEEG
Device
Lead sponsor
Bio-Signal Group Corp.
Industry
Eligibility
Up to 30 Days
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Brooklyn, New York
Not listed Not applicable Interventional Accepts healthy volunteers

Study of Erythromycin in GER-Associated Apnea of the Newborn

NCT01825473
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
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
Completed Not applicable Interventional Results available

PREFER (Pacemaker Remote Follow-Up Evaluation and Review)

NCT00294645
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
Completed No phase listed Observational Results available

Patient Preferences for Leadless Pacemakers

NCT05327101
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
Completed Not applicable Interventional Results available

The EASYTRAK EPI Clinical Investigation

NCT00158925
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
Completed No phase listed Observational Results available

INGEVITY+ Active Fixation Pace/Sense Lead Clinical Study

NCT04346537
Conditions
Bradycardia
Interventions
INGEVITY+™ Pace/Sense Lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
13
States / cities
Huntsville, Alabama • Jonesboro, Arkansas • Torrance, California + 10 more
Completed No phase listed Observational Results available

Verification of Prediction Algorithm

NCT02863666
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
Conditions
Atrial Fibrillation
Interventions
DTI-0009
Drug
Lead sponsor
Aderis Pharmaceuticals
Industry
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Richmond, Virginia
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
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
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
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
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Detection and Classification of Cardiac Rhythm and Atrial Fibrillation Using a Finger-worn Ring

NCT06892938
Conditions
Atrial Fibrillation (AF), Arrhythmias Cardiac, Tachycardia, Palpitations, Bradycardia
Interventions
Atrial Fibrillation Identification
Diagnostic Test
Lead sponsor
Everbeat
Industry
Eligibility
18 Years and older
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
3
States / cities
La Jolla, California • Baton Rouge, Louisiana • Pittsburgh, Pennsylvania
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