Clinical trials: Syncope
Circulatory Collapse, Circulatory Failure
Suspension Syndrome
Suspension syndrome refers to a potentially life-threatening condition that can occur in unconscious persons after prolonged suspension in a harness.
- Conditions
- Circulatory Collapse, Circulatory Failure, Syncope, Vasovagal, Neurally-Mediated, Orthostatic Hypotension
- Trial name
- NCT02726776
- Testing
- Suspension in a harness, Climbing
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Institute of Mountain Emergency Medicine
Fainting, Presyncope
Evaluation of the Efficiency of Hydration by Isotonic Solution in the Prevent of the Fainting Whole Blood Donors
Blood donation is a generous act carried out by healthy male and female volunteer donors. The safety of blood donation in France is based on rigorous well documented biological and medical criteria, in particular concerning the…
- Conditions
- Fainting, Presyncope, Syncopal Episode
- Trial name
- EVASION (NCT02075099)
- Testing
- tensing exercises, No tensing exercises
- Where
- 2 sites in France
- Volunteers
- 4,825 people, healthy volunteers welcome
- Sponsor
- Etablissement Français du Sang
Cardiopulmonary Failure, Myocardial Infarction (MI)
COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG Wearable
The COR-INSIGHT trial aims to evaluate the effectiveness of Peerbridge COR advanced ambulatory ECG wearables (COR 1.0 and COR 2.0) in accurately and non-invasively detecting cardiovascular and cardiopulmonary conditions using…
- Conditions
- Cardiopulmonary Failure, Myocardial Infarction (MI), Heart Decompensation, Heart Failure
- Trial name
- COR-INSIGHT (NCT06763549)
- Testing
- SUBPROTOCOL A, SUBPROTOCOL B, SUBPROTOCOL C
- Where
- United States
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- Peerbridge Health, Inc
Dysautonomia
MRI to Assess the Effects of Dysautonomia and Chronic Nausea on Brain Transmitters
The purpose of this research study is to better understand what causes dysautonomia and how this affects blood pressure and pulse. Dysautonomia is a condition of the autonomic nervous system.
- Trial name
- NCT01692561
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Arrhythmias, Cardiac
Biospecimen Repository for Cardiac Arrhythmias at the Cleveland Clinic
Biorepository of blood and or tissue samples from patients presenting with cardiac arrhythmia syndromes.
- Trial name
- NCT00921986
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Syncope, Vasovagal
Respiration and Applied Tension Strategies to Reduce Vasovagal Reactions to Blood Donation
For a number of years, researchers have examined the effects of the muscle-tensing technique, Applied Tension (AT), on blood donation-related vasovagal symptoms and donor retention.
- Trial name
- NCT03159156
- Testing
- Applied Tension, Respiration Control, Applied Tension/Respiration Control
- Where
- Canada
- Volunteers
- 408 people, healthy volunteers welcome
- Sponsor
- McGill University
Chronic Fatigue Syndrome, Myalgic Encephalomyelitis
Reducing Orthostatic Intolerance With Oral Rehydration in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Patients
We and others have shown that many younger patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) have orthostatic intolerance (OI), i.e., they can't tolerate prolonged standing.
- Conditions
- Chronic Fatigue Syndrome, Myalgic Encephalomyelitis, Systemic Exertion Intolerance Disease (SEID), Postural Tachycardia Syndrome (POTS)
- Trial name
- NCT02854683
- Testing
- Normal Saline, Oral Rehydration Solution
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Presyncope, Syncope
Oral Water Hydration to Prevent Post-Vaccination Presyncope
This is a randomized controlled open-label trial. During the study, adolescents and young adults scheduled to receive at least one intra-muscular (IM) vaccine will receive either oral water hydration in addition to standard care…
- Trial name
- NCT02353390
- Testing
- Oral Water Hydration
- Where
- 2 sites in United States
- Volunteers
- 1,820 people, healthy volunteers welcome
- Sponsor
- Duke University
Diabetic Retinopathy, Macular Degeneration
Advancing Understanding of Transportation Options
This Stage II randomized, controlled, longitudinal trial seeks to assess the acceptability, feasibility, and effects of a driving decision aid use among geriatric patients and providers.
- Conditions
- Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa
- Trial name
- AUTO (NCT04141891)
- Testing
- Driving Decision Aid, Older Drivers Website
- Where
- 3 sites in United States
- Volunteers
- 529 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Cardiovascular Diseases, Cardiovascular Diseases Risk
Cor360: Clinician-Facing Broad-Spectrum Cardiac Phenotyping and Risk Assessment Using COR® Wearable ECG to Inform Outcomes-Oriented Care Pathways
Cor360 is an observational study evaluating whether extended wearable electrocardiogram (ECG) data can support broad-spectrum cardiac phenotyping and risk assessment beyond conventional single-purpose ambulatory rhythm…
- Conditions
- Cardiovascular Diseases, Cardiovascular Diseases Risk, Cardiac Conduction System Disease, Bundle/Fascicular Abnormalities
- Trial name
- Cor360 (NCT07775976)
- Testing
- COR Wearable ECG Monitoring, Cor360 Clinician-Facing Decision-Aid Reporting
- Where
- 2 sites in United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Peerbridge Health, Inc
Cardiac Arrhythmia, Syncope
Comparative Study of the Sternal Patch System With a Conventional Holter Recorder
This study will be a comparison of two externally worn recording systems for documentation of cardiac arrhythmias in symptomatic patients or patients at risk for arrhythmia.
- Trial name
- NCT04241692
- Testing
- CarnationTM Ambulatory Monitoring Sternal ECG Patch System, Conventional 24-Hour 7 Lead Holter Monitor Recorder
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Children's National Research Institute
Asthma, Syncope
Vagal Nerve Stimulation Assessed by the Diving Reflex: An Investigation Into Mechanisms of Asthma Death
The investigators' hypothesis is that dysregulation of autonomic function, as revealed during a simulated dive reflex, may result in an attenuation of the heart rate response to a greater degree in asthmatics who collapse during…
- Trial name
- NCT02083029
- Testing
- Simulated dive reflex
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Hull University Teaching Hospitals NHS Trust
Ventricular Ejection Fraction, LVF
AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor
This prospective, multicenter, cluster-randomized controlled study aims to evaluate the accuracy of an investigational artificial intelligence (AI) Software as a Medical Device (SaMD) designed to compute ejection fraction (EF)…
- Conditions
- Ventricular Ejection Fraction, LVF, LV Dysfunction, Atrial Enlargement
- Trial name
- EFACT (NCT06699056)
- Testing
- 15-minutes of sitting during COR ECG Acquistion
- Where
- 8 sites in United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Peerbridge Health, Inc
Syncope
Autonomous Syncope Onset Prediction and Prevention
syncope prediction on tilt table
- Trial name
- NCT02684539
- Testing
- tilt table Erigo®
- Volunteers
- healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Hyperthermia, Weather; Heat
Mitigating Heat-induced Physiological Strain and Discomfort in Older Adults Via Lower Limb Immersion and Neck Cooling
The incidence and severity of hot weather and extreme heat events (heat waves) is increasing. As such, there is an urgent need to develop heat-alleviation strategies that can provide targeted protection for older adults who are…
- Conditions
- Hyperthermia, Weather; Heat, Heat Stress, Heat Syncope
- Trial name
- NCT05601713
- Testing
- No cooling (control), Lower limb immersion, Lower limb immersion + neck cooling
- Where
- Canada
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Syncope, Vasovagal
Cardioneuroablation for Reflex Syncope and Exercise Capacity
Cardioneuroablation (CNA) is a new promising method to treat reflex syncope which is due to vagally-induced functional sinus arrest or atrio-ventricular block (AVB).
- Trial name
- Roman3 (NCT06440291)
- Testing
- Cardioneuroablation
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Centre of Postgraduate Medical Education
Syncope, Blood Injury Phobia
fMRI in Blood Phobia Syncope
We plan to study patient who faint in response to the sight of blood and compare them to healthy subjects who do not. We are going to use a special type of MRI scan (functional MRI) to determine if there are differences in brain…
- Conditions
- Syncope, Blood Injury Phobia, Autonomic Dysfunction
- Trial name
- NCT00715065
- Testing
- fMRI Scan
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Vanderbilt University
Vasovagal Syncope, Smoke Inhalation
Relation Between Vasovagal Tendency and Smoking Among University Students
Almost everyone is aware these days is aware about the risk of smoking. Still many people start this habit specially in early life and during college year.
- Trial name
- NCT02949804
- Testing
- Comparison between two groups
- Where
- Jordan
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Jordan Collaborating Cardiology Group
Syncope, Vasovagal
Preventing Negative Reactions in First Time Blood Donors to Encourage Subsequent Blood Donations
Many individuals experience negative reactions when donating blood, including dizziness, lightheadedness, or fainting. Such reactions may discourage them from donating again.
- Trial name
- NCT00302900
- Testing
- Pre-Donation Water Consumption, Muscle Tensing Exercise During Donation, Muscle Tensing Exercise Prior to Donation
- Where
- 2 sites in United States
- Volunteers
- 441 people, healthy volunteers welcome
- Sponsor
- Ohio University
Vasovagal Syncope, Postural Tachycardia Syndrome
Hypnosis in Autonomic Function
This study will investigate the relationship between susceptibility to hypnosis and regulation of the autonomic nervous system (nerves that control involuntary body functions, such as heart rate and sweating).
- Conditions
- Vasovagal Syncope, Postural Tachycardia Syndrome, Hypnosis
- Trial name
- NCT00061009
- Where
- United States
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)