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ClinicalTrials.gov public records Last synced Oct 21, 2026, 4:26 AM EDT

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Showing 49–72 of 85 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Fainting Clear all
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 21, 2025 · Synced Oct 21, 2026, 4:26 AM EDT
Not listed No phase listed Observational

Comparison of Continuous Sternal ECG Patch Monitors (Carnation and Zio) Trial

NCT02031484
View directory record Official record
Conditions
Syncope, Presyncope, Palpitations, Atrial Fibrillation, Supraventricular Tachycardia
Interventions
Not listed
Lead sponsor
Bardy Diagnostics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
4
States / cities
Chicago, Illinois • Iowa City, Iowa • Charlotte, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2016 · Synced Oct 21, 2026, 4:26 AM EDT
Completed No phase listed Observational Results available

Physiologic Pacing Registry

NCT03719040
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Oct 21, 2026, 4:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Novel Helmet Design in Patients With Seizures

NCT03443388
View directory record Official record
Conditions
Drug Resistant Epilepsy, Drop Seizures, Generalized Tonic Clonic Seizure, Complex Partial Seizure, Fall Due to Seizure
Interventions
Hövding inflatable helmet
Device
Lead sponsor
Michael A. Gelfand, MD, PhD
Other
Eligibility
18 Years to 60 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Oct 21, 2026, 4:26 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 28, 2022 · Synced Oct 21, 2026, 4:26 AM EDT
Completed Phase 3 Interventional Results available

Perioperative Antibiotic Therapy to Prevent Cardiac Implantable Electronic Device Infections.

NCT02809131
View directory record Official record
Conditions
Sick Sinus Syndrome, Complete Heart Block, Syncope, Chronic Systolic Heart Failure
Interventions
polymixin/bacitracin, cephalexin, or levofloxacin, or clindamycin, Saline
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
1,010 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Oct 21, 2026, 4:26 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 27, 2018 · Synced Oct 21, 2026, 4:26 AM EDT
Completed Not applicable Interventional

Quasi-Randomized Evaluation of the UCLA Next Day Clinic (NDC)

NCT06526884
View directory record Official record
Conditions
Pneumonia, Syncope, Congestive Heart Failure, Cellulitis, Pyelonephritis, AKI - Acute Kidney Injury, Diabetic Foot Infection, Osteomyelitis
Interventions
Next Day Clinic
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
570 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 21, 2026, 4:26 AM EDT
Completed Early Phase 1 Interventional

Influence of Yoga in Patients With Neurocardiogenic Syncope

NCT01695525
View directory record Official record
Conditions
Syncope, Vasovagal
Interventions
Yoga
Other
Lead sponsor
Dhanunjaya Lakkireddy, MD, FACC
Other
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2015 · Synced Oct 21, 2026, 4:26 AM EDT
Completed Not applicable Interventional

Impact of Immediate Point-of-Care Ultrasound on Patients With Cardiopulmonary Symptoms in the Emergency Department

NCT02861508
View directory record Official record
Conditions
Chest Pain, Dyspnea, Syncope, Hypotension
Interventions
Point-of-care ultrasound, Usual care
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 28, 2020 · Synced Oct 21, 2026, 4:26 AM EDT
Completed No phase listed Observational

Assert-IQ Implantable Cardiac Monitor (ICM) Post Market Study

NCT06172699
View directory record Official record
Conditions
Atrial Fibrillation Paroxysmal, Atrial Fibrillation, Persistent, Cardiac Arrhythmia, Ablation
Interventions
Holter monitoring in patients who have been successfully implanted with an Abbott Assert-IQ ICM device
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 100 Years
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
11
States / cities
San Diego, California • Orlando, Florida • Overland Park, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 21, 2026, 4:26 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 5, 2009 · Synced Oct 21, 2026, 4:26 AM EDT
Completed No phase listed Observational

The U.S. Embryologist Fatigue Study

NCT05326802
View directory record Official record
Conditions
Fatigue, Stress, Burnout, Professional, Musculoskeletal Pain, Back Pain, Neck Pain, Headache, Dizziness, Sleep Disturbance, Chest Pain, Syncope, Cardiovascular Diseases, Shortness of Breath, Gastrointestinal Diseases
Interventions
Not listed
Lead sponsor
TMRW Life Sciences
Industry
Eligibility
22 Years to 65 Years
Enrollment
246 participants
Timeline
2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Oct 21, 2026, 4:26 AM EDT
Completed Not applicable Interventional

Qualitative Sweat Distribution During Tilt Table Procedure

NCT02329548
View directory record Official record
Conditions
Postural Tachycardia Syndrome, Syncope, Anxiety
Interventions
Alizarin Red
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years to 25 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Oct 21, 2026, 4:26 AM EDT
Completed Phase 3 Interventional Results available

Clinical Effect of Ampreloxetine (TD-9855) for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure

NCT03750552
View directory record Official record
Conditions
Symptomatic Neurogenic Orthostatic Hypotension
Interventions
ampreloxetine, Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
30 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
23
States / cities
Sun City, Arizona • Long Beach, California • Palo Alto, California + 19 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 21, 2026, 4:26 AM EDT
Terminated Phase 2 Interventional

Study Evaluating GAP-486 in Heart Rhythm

NCT00137293
View directory record Official record
Conditions
Arrhythmia
Interventions
GAP-486 (ZP-123), 0.9% Sodium Chloride, USP
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
3
States / cities
San Francisco, California • Washington D.C., District of Columbia • Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 10, 2007 · Synced Oct 21, 2026, 4:26 AM EDT
Recruiting No phase listed Observational

Aveir DR Real-World Evidence Post-Approval Study

NCT05935007
View directory record Official record
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir DR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,805 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated May 20, 2026 · Synced Oct 21, 2026, 4:26 AM EDT
Completed Phase 2 Interventional

Propranolol to Treat Fainting in Children With Sympathoadrenal Imbalance

NCT00093860
View directory record Official record
Conditions
Syncope
Interventions
Propranolol
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 4:26 AM EDT
Recruiting No phase listed Observational

Genetic Markers of Cardiovascular Disease in Epilepsy

NCT02824822
View directory record Official record
Conditions
Epilepsy, Seizures, Syncope, Channelopathy, Cardiomyopathies
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 50 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2031
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Oct 21, 2026, 4:26 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Reducing Orthostatic Intolerance With Oral Rehydration in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Patients

NCT02854683
View directory record Official record
Conditions
Chronic Fatigue Syndrome, Myalgic Encephalomyelitis, Systemic Exertion Intolerance Disease (SEID), Postural Tachycardia Syndrome (POTS), Neurally Mediated Syncope (NMS)
Interventions
Normal Saline, Oral Rehydration Solution
Drug · Dietary Supplement
Lead sponsor
New York Medical College
Other
Eligibility
15 Years to 29 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Oct 21, 2026, 4:26 AM EDT
Completed Not applicable Interventional Results available

Cardioneuroablation for Neurocardiogenic Syncope

NCT02009982
View directory record Official record
Conditions
Neurocardiogenic Syncope, Vasovagal Syncope
Interventions
Cardioneuroablation, Biosense Webster Navistar ThermoCool Diagnostic/Ablation Deflectable Tip Catheter
Procedure · Device
Lead sponsor
David B. De Lurgio
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Atlanta, Georgia • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 4, 2016 · Synced Oct 21, 2026, 4:26 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 24, 2005 · Synced Oct 21, 2026, 4:26 AM EDT
Completed No phase listed Observational

The Identification and Characterization of Autonomic Dysfunction in Migraineurs With and Without Auras

NCT01080287
View directory record Official record
Conditions
Migraine
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 22, 2012 · Synced Oct 21, 2026, 4:26 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Northera Improves Postural Tachycardia Syndrome (POTS) and Postural Vasovagal Syncope (VVS)

NCT02558972
View directory record Official record
Conditions
Postural Tachycardia Syndrome (POTS), Vasovagal Syncope (VVS), Fainting
Interventions
Northera (Droxidopa), Placebo
Drug
Lead sponsor
New York Medical College
Other
Eligibility
18 Years to 35 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated May 23, 2025 · Synced Oct 21, 2026, 4:26 AM EDT