Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 5, 2026, 12:14 PM EDT

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Showing 1–24 of 108 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 98 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Bradycardia
Interventions
Recording heart rate changes
Other
Lead sponsor
Joseph D. Tobias
Other
Eligibility
Up to 18 Years
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Completed No phase listed Observational Results available

Physiologic Pacing Registry

NCT03719040
Conditions
Bradycardia, Sinus Node Dysfunction, Heart Block, Syncope, Cardiomyopathies, Ventricular Tachycardia, Heart Failure
Interventions
Physiologic pacing device implant
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
870 participants
Timeline
2018 – 2021
U.S. locations
26
States / cities
Huntsville, Alabama • Burlingame, California • San Diego, California + 22 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
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
Conditions
Tachycardia, Ventricular, Heart Failure, Congestive, Ventricular Fibrillation, Ventricular Dysfunction, Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
3,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
113
States / cities
Tucson, Arizona • Little Rock, Arkansas • Fresno, California + 107 more
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
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
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
Conditions
Leadless Pacemaker, Bradycardia, AV Block, Cardiac Rhythm Disorder
Interventions
LivIQ Leadless Pacemaker System
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
10
States / cities
Burlingame, California • Laguna Hills, California • Sarasota, Florida + 6 more
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
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
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
Conditions
Bradycardia, Atrial Tachyarrhythmia
Interventions
Use of a Tablet, Use of a Smart Phone
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Atlanta, Georgia
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
Conditions
Sinus Bradycardia, Atrioventricular Block
Interventions
Adenosine, Cardiac catheterization
Drug · Procedure
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 25 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
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
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
Arrhythmias, Cardiac, Atrial Fibrillation, Atrial Flutter, Bradycardia, Tachycardia
Interventions
Vectorcardiography (VECG)
Device
Lead sponsor
HeartBeam, Inc.
Industry
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
5
States / cities
Atlanta, Georgia • Tucker, Georgia • New York, New York + 2 more
Conditions
Ventricular Pacing With Rate Response, Bradycardia
Interventions
Calyan Pacemaker
Device
Lead sponsor
Calyan Technologies
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
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
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
Conditions
Apnea Neonatal, Bradycardia Neonatal
Interventions
Closed-loop Vibro-Tactile Stimulator, Control
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
22 Weeks to 32 Weeks
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Results available

ECG Belt to Assess Electrical Synchronization

NCT04583709
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