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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:54 AM EDT

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

Showing 73–85 of 85 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Fainting Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor

NCT06699056
View directory record Official record
Conditions
Ventricular Ejection Fraction, LVF, LV Dysfunction, Atrial Enlargement, Conduction Defect, Heart Failure, Valvular Heart Disease, Ischemic Heart Disease, Cardiotoxicity, Myocardial Infarction, Dilated Cardiomyopathy, HFrEF - Heart Failure With Reduced Ejection Fraction, HFpEF - Heart Failure With Preserved Ejection Fraction, Syncope, Remodeling, Cardiac
Interventions
15-minutes of sitting during COR ECG Acquistion
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
8
States / cities
Orange, California • Pasadena, California • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 4 Interventional

Propranolol to Treat Fainting Due to Sympathoadrenal Imbalance

NCT00060866
View directory record Official record
Conditions
Neurocardiogenic Syncope
Interventions
Propranolol
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 5:54 AM EDT
Active, not recruiting No phase listed Observational

Aveir VR Real-World Evidence Post-Approval Study

NCT05270499
View directory record Official record
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir VR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
3,427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2034
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated May 20, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Results available

Clobazam in Patients With Lennox-Gastaut Syndrome

NCT00518713
View directory record Official record
Conditions
Epilepsy, Epilepsy, Generalized, Seizures
Interventions
Clobazam Low Dose, Clobazam Medium Dose, Clobazam High Dose, Placebo
Drug
Lead sponsor
Lundbeck LLC
Industry
Eligibility
2 Years to 60 Years
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
34
States / cities
Huntsville, Alabama • Phoenix, Arizona • Los Angeles, California + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2012 · Synced Oct 21, 2026, 5:54 AM EDT
Terminated Phase 2 Interventional Results available

Safety, Pharmacokinetics and Efficacy Study of QCC374 in PAH Patients

NCT02927366
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
QCC374, Placebo Matching
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Oct 21, 2026, 5:54 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG Wearable

NCT06763549
View directory record Official record
Conditions
Cardiopulmonary Failure, Myocardial Infarction (MI), Heart Decompensation, Heart Failure, HFrEF - Heart Failure with Reduced Ejection Fraction, HFpEF - Heart Failure with Preserved Ejection Fraction, Syncopation, Syncope, Ischemic Cardiovascular Disease, STEMI, STEMI (ST Elevation MI), Atrial Fibrillation (AF), Atrial Enlargement, LVF, Conduction Defect, Conduction Abnormalities, Heart Block, Valvular Diseases, Cardiac Output, Low, Stroke Volume, Stroke Volume Variation, Hyperkalemia, Hypercalcemia, Hypocalcemia, LV Dysfunction, QT Prolongation, Sudden Cardiac Death Due to Cardiac Arrhythmia, Ventricular Arrhythmia, Pacing, Pacing Induced Dyssynchrony, Silent Ischemia, Pericarditis, Sleep Related Breathing Disorder, RSA, Apnea, Obstructive, Cardiac Output Measurement, Respiratory Impedance, CRT And/or ICD, Infarction, Cardiomyopathies, Primary, Hypertrophy
Interventions
SUBPROTOCOL A, SUBPROTOCOL B, SUBPROTOCOL C, SUBPROTOCOL D, SUBPROTOCOL E, SUBPROTOCOL F, SUBPROTOCOL G, SUBPROTOCOL H
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
15,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Melbourne, Florida
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 21, 2026, 5:54 AM EDT
Not listed No phase listed Observational

Evaluation of a Mobile Cardiac Outpatient Telemetry System Versus Standard Loop Event Monitor

NCT00295204
View directory record Official record
Conditions
Syncope, Pre-Syncope, Palpitations
Interventions
Not listed
Lead sponsor
Cardionet
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
13
States / cities
Bridgewater, New Jersey • Elizabeth, New Jersey • Ocean City, New Jersey + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2006 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Not applicable Interventional Results available

Preventing Post-Vaccination Presyncope and Syncope in Adolescents Using Simple, Clinic-based Interventions: A Pilot Study

NCT03533829
View directory record Official record
Conditions
Syncope, Vasovagal
Interventions
Buzzy®, Music
Device · Behavioral
Lead sponsor
Duke University
Other
Eligibility
10 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
2
States / cities
Atlanta, Georgia • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 16, 2019 · Synced Oct 21, 2026, 5:54 AM EDT
Completed No phase listed Observational

The U.K. Embryologist Fatigue Study

NCT05708963
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
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 21, 2026, 5:54 AM EDT
Recruiting No phase listed Observational

Cardioneuroablation for Recurrent Vasovagal Syncope and Bradyarrhythmias: The CNA-FWRD Registry

NCT06166277
View directory record Official record
Conditions
Vasovagal Syncope, AV Block-2Nd Degree-Type 1, Sinus Pause
Interventions
Ablation procedure
Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
300 participants
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 21, 2026, 5:54 AM EDT
Active, not recruiting No phase listed Observational

BAsel Syncope EvaLuation (BASEL IX) Study

NCT01548352
View directory record Official record
Conditions
Syncope
Interventions
Not listed
Lead sponsor
University Hospital, Basel, Switzerland
Other
Eligibility
40 Years and older
Enrollment
3,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Not applicable Interventional

Confirm Rx™ Versus Reveal LINQ™ - Which is More Reliable in Data Transmission? A Randomized Clinical Study

NCT03720639
View directory record Official record
Conditions
Cardiac Arrythmias, Syncope, Atrial Fibrillation, Atrial Flutter, Tachycardia, Stroke
Interventions
Abbott, Inc Confirm Rx™ versus Medtronic, Inc Reveal LINQTM
Device
Lead sponsor
Sparrow Clinical Research Institute
Other
Eligibility
18 Years and older
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Lansing, Michigan • Traverse City, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 2 Interventional

Non-Pharmacologic Therapy for Neurocardiogenic Syncope

NCT00096902
View directory record Official record
Conditions
Syncope
Interventions
Tilt table test
Procedure
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 5:54 AM EDT