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ClinicalTrials.gov public records Last synced Sep 15, 2026, 10:52 AM EDT

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Showing 1–24 of 128 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Consciousness, Loss of Clear all
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Novel Approach for the Prevention of Hypoglycemia Associated Autonomic Failure (HAAF)

NCT03608163
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Hypoglycemia, Hypoglycemia Unawareness
Interventions
Naloxone, Diazoxide, Placebo (for Naloxone), Placebo (for Diazoxide)
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
21 Years to 55 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 15, 2026, 10:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Advancing Understanding of Transportation Options

NCT04141891
View directory record Official record
Conditions
Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa, Vision Disorders, Acute Coronary Syndrome, Implantable Defibrillator User, Congestive Heart Failure, Hypertrophic Obstructive Cardiomyopathy, Orthostatic Hypotension, Syncope, Presyncope, Narcolepsy, Dementia, Multiple Sclerosis, Parkinson Disease, Brain Injuries, Spinal Cord Injuries, Stroke, Vertigo, Dizziness, Seizures, Substance Use, Insulin Dependent Diabetes Mellitus, Arthritis, Foot--Abnormalities, Chronic Obstructive Pulmonary Disease, Obstructive Sleep Apnea, End Stage Renal Disease, Sleep Apnea, Insomnia, Restless Legs Syndrome
Interventions
Driving Decision Aid, Older Drivers Website
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
529 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
La Jolla, California • Aurora, Colorado • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Sep 15, 2026, 10:52 AM EDT
Completed Phase 2 Interventional Results available

The Effect of CPC on Aborting Tilt Induced Syncope in Patients With a History of Vasovagal Syncope or Near Syncope

NCT04972123
View directory record Official record
Conditions
Syncope, Vasovagal
Interventions
CPC - Capsaicin, Phenylephrine, Caffeine, Tilt Table Test, Placebo
Drug · Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 50 Years
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Sep 15, 2026, 10:52 AM EDT
Not listed Phase 1 Interventional

UVA Islet Cell Transplantation in Patients With Type I Diabetes

NCT00605592
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Pancreatic Islets of Langerhans Cell Transplant
Procedure
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2009 · Synced Sep 15, 2026, 10:52 AM EDT
Completed Not applicable Interventional

Deceased Organ Donor Interventions to Protect Kidney Graft Function

NCT02525510
View directory record Official record
Conditions
Brain Death, Organ Donation, Organ Transplant Failure or Rejection, Delayed Graft Function
Interventions
Pump Eligible - Normothermia - Pump Both Kidneys, Pump Eligible - Hypothermia and Pump Right Kidney, Pump Eligible - Hypothermia and Pump Left Kidney, Not Pump Eligible - Normothermia, Not Pump Eligible - Hypothermia
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
1,427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
7
States / cities
Phoenix, Arizona • San Francisco, California • Denver, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2022 · Synced Sep 15, 2026, 10:52 AM EDT
Completed No phase listed Observational

Validation of the San Francisco Syncope Rule

NCT00300625
View directory record Official record
Conditions
Syncope, Near Syncope
Interventions
Application of the San Francisco Syncope Rule
Procedure
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Sep 15, 2026, 10:52 AM EDT
Completed No phase listed Observational

EEG Characteristics in Youth POTS and/or Syncope

NCT02167412
View directory record Official record
Conditions
Syncope, Postural Tachycardia Syndrome, Orthostatic Intolerance
Interventions
Not listed
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
9 Years to 21 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 26, 2018 · Synced Sep 15, 2026, 10:52 AM EDT
Terminated Not applicable Interventional

Point-of-Care Ultrasound in the Emergency Department Evaluation of Syncope

NCT01671371
View directory record Official record
Conditions
Syncope
Interventions
Point-of-Care Ultrasound
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 29, 2016 · Synced Sep 15, 2026, 10:52 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

fNIRS for Disorders of Consciousness

NCT07485361
View directory record Official record
Conditions
Disorders of Consciousness Due to Severe Brain Injury, Disorders of Consciousness, Coma, Minimally Conscious State, Unresponsive Wakefulness Syndrome, Brain Injury, TBI Traumatic Brain Injury
Interventions
Functional Near-Infrared Spectroscopy Monitoring
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 15, 2026, 10:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dissecting De-automatization

NCT03456505
View directory record Official record
Conditions
Mindfulness
Interventions
Mindfulness Meditation Training, Active Listening
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 60 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 30, 2018 · Synced Sep 15, 2026, 10:52 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The EBC Recovery Study

NCT04712591
View directory record Official record
Conditions
Traumatic Brain Injury, Intracerebral Haemorrhage, Subarachnoid Haemorrhagic Stroke
Interventions
Auditory stimuli
Diagnostic Test
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
2
States / cities
Miami, Florida • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 15, 2026, 10:52 AM EDT
Completed Not applicable Interventional

Addressing Fear and Risk of Vasovagal Reactions Among High School Donors

NCT03835299
View directory record Official record
Conditions
Blood Donors
Interventions
Fear Intervention
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
16 Years and older
Enrollment
4,035 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 15, 2021 · Synced Sep 15, 2026, 10:52 AM EDT
Not yet recruiting Not applicable Interventional

Miniature In-line Respirator

NCT07768215
View directory record Official record
Conditions
Brain Death, Respiration, Artificial
Interventions
Hope inVent
Device
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
1 Year to 100 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 15, 2026, 10:52 AM EDT
Not listed No phase listed Observational

Observational Study of the Sleuth Implantable ECG Monitoring System

NCT00717106
View directory record Official record
Conditions
Syncope, Presyncope, Fainting, Cardiac Arrhythmia
Interventions
Not listed
Lead sponsor
Transoma Medical
Industry
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
8
States / cities
Atlanta, Georgia • Cumberland, Maryland • Lapeer, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated May 4, 2009 · Synced Sep 15, 2026, 10:52 AM EDT
Completed Not applicable Interventional

Randomized Study of Midodrine, an Alpha Adrenergic Agonist, in Patients With Neurally Mediated Syncope

NCT00004479
View directory record Official record
Conditions
Syncope
Interventions
midodrine
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
16 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 15, 2026, 10:52 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Rapid Reversal of CNS-Depressant Drug Effect Prior to Brain Death Determination

NCT03743805
View directory record Official record
Conditions
Brain Death, Anoxic Brain Injury, Cardiac Arrest, Sedative Intoxication, Narcotic Intoxication
Interventions
Flumazenil, Naloxone
Drug
Lead sponsor
Prisma Health-Midlands
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Sep 15, 2026, 10:52 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Comparative Study of the Sternal Patch System With a Conventional Holter Recorder

NCT04241692
View directory record Official record
Conditions
Cardiac Arrhythmia, Syncope
Interventions
CarnationTM Ambulatory Monitoring Sternal ECG Patch System, Conventional 24-Hour 7 Lead Holter Monitor Recorder
Device
Lead sponsor
Children's National Research Institute
Other
Eligibility
Up to 35 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Sep 15, 2026, 10:52 AM EDT
Completed Not applicable Interventional

The Use of LIFUP in Chronic Disorders of Consciousness

NCT04921683
View directory record Official record
Conditions
Disorder of Consciousness, Vegetative State, Minimally Conscious State, Minimally Conscious State Plus, Minimally Conscious State Minus, Traumatic Brain Injury, CVA (Cerebrovascular Accident), Anoxia, Brain, Thalamic Infarction, Coma; Prolonged
Interventions
BX Pulsar 1002 (LIFUP) Low intensity Focused Ultrasound Pulsation
Device
Lead sponsor
Casa Colina Hospital and Centers for Healthcare
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pomona, California
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 15, 2026, 10:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multi-Site Near Infrared Spectroscopy (NIRS) Monitoring of Children During Tilt Table Testing

NCT00659464
View directory record Official record
Conditions
Syncope
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
7 Years to 21 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 12, 2012 · Synced Sep 15, 2026, 10:52 AM EDT
Completed Phase 4 Interventional

The Study of Cognitive Rehabilitation Effectiveness for Mild Traumatic Brain Injury

NCT01339806
View directory record Official record
Conditions
Traumatic Brain Injury With Brief Loss of Consciousness, Traumatic Brain Injury With No Loss of Consciousness
Interventions
Cognitive Rehab, Brainworks, Informational Handout/Provider Visits
Behavioral
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 8, 2015 · Synced Sep 15, 2026, 10:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hypnosis in Autonomic Function

NCT00061009
View directory record Official record
Conditions
Vasovagal Syncope, Postural Tachycardia Syndrome, Hypnosis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 15, 2026, 10:52 AM EDT
Terminated Phase 3 Interventional Results available

Phase 3 Clinical Effect Durability of TD-9855 for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure

NCT03829657
View directory record Official record
Conditions
Symptomatic Neurogenic Orthostatic Hypotension, MSA, Parkinson's Disease (PD), Pure Autonomic Failure (PAF)
Interventions
ampreloxetine, Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
30 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
20
States / cities
Sun City, Arizona • La Jolla, California • Palo Alto, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Sep 15, 2026, 10:52 AM EDT
Completed Not applicable Interventional Results available

Hybrid Closed Loop Insulin Delivery System in Hypoglycemia

NCT03215914
View directory record Official record
Conditions
Type1diabetes, Hypoglycemia Unawareness, Nocturnal Hypoglycemia, Hypoglycemia Night, Hypoglycemia
Interventions
MiniMed 670G system
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
25 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Sep 15, 2026, 10:52 AM EDT
Enrolling by invitation Not applicable Interventional

A Study of Transcutaneous Electrical Stimulation As a Noxious Stimulus for the Glasgow Coma Scale

NCT06681779
View directory record Official record
Conditions
Comatose
Interventions
Transcutaneous electrical stimulation, Standard of Care (SOC)
Device · Other
Lead sponsor
Markey Olson
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Sep 15, 2026, 10:52 AM EDT