Clinical trials: Vasovagal Syncope
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, Neurogenic, Syncope
Efficacy of a Right-sided Ablation of the Anterior Ganglionated Plexus for Neurally Mediated Syncope
The third study on CardNM (CardNMH3 study) is a multicenter, double-blind, randomized trial with a sham control group investigating the efficacy and safety of a computed tomography (CT)-guided, right-sided ablation of the…
- Trial name
- CardNMH3 (NCT04755101)
- Testing
- EPS, electro-anatomical mapping, ARGP ablation, and pharmacological evaluation., EPS, electro-anatomical mapping, and pharmacological evaluation.
- Where
- 3 sites in Belgium
- Volunteers
- 110 people
- Sponsor
- Imelda Hospital, Bonheiden
Syncope, Vasovagal, Blood, Injection, Injury Type Phobia
Impact of Blood Phobia on Fainting Susceptibility
The primary purpose of this study is to characterize cardiovascular autonomic function to emotional stimuli (blood-injection-injury phobia [needle phobia]) during an orthostatic (upright) challenge in individuals with and without…
- Trial name
- NCT06336031
- Testing
- blood-injection-injury (BII) phobia stimuli, neutral stimuli
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Simon Fraser University
Syncope
Guideline-based Pacing Therapy for Reflex Syncope
Study hypothesis: Dual-chamber pacemaker therapy with rate-hysteresis features is effective in preventing syncopal recurrences in patients affected by cardioinhibitory (CI) forms of reflex syncope diagnosed by means of carotid…
- Trial name
- SUP2 (NCT01509534)
- Where
- 8 sites in Italy
- Volunteers
- 281 people
- Sponsor
- Gruppo Italiano Multidisciplinare per lo Studio della Sincope
Syncope, Vasovagal
Compression Stockings for Treating Vasovagal Syncope Trial
Syncope, a sudden, transient loss of consciousness (TLOC), is a common inconvenience of daily function and quality of life (QoL).
- Trial name
- COMFORTS II (NCT05086679)
- Testing
- Compression Stockings with 25-30 mm Hg pressure, Compression stockings with up to <=10 mm Hg pressure, Lifestyle modification
- Where
- Iran
- Volunteers
- 268 people
- Sponsor
- Tehran Heart Center
Vasovagal Syndrome VVS, Cardioinhibitory Carotid Sinus Syndrome CSS
POLish Registry of CArdioneuroablation and CArdioneuromodulation
The multicentre observational study POL-CA involves a wide spectrum of patients with a history of syncopy. The study recruits patients with diagnosed vasovagal syndrome, cardioinhibitory carotid sinus syndrome, symptomatic sinus…
- Conditions
- Vasovagal Syndrome VVS, Cardioinhibitory Carotid Sinus Syndrome CSS, Symptomatic Sinus Bradycardia SB or Atrioventricular Block AV, Postural Orthostatic Tachycardia Syndrome POTS
- Trial name
- POL-CA (NCT07196397)
- Testing
- cardioneuroablation, SN sparing hybrid ablation, Cardiac sympathetic denervation
- Where
- Poland
- Volunteers
- 1,000 people
- Sponsor
- SABAMED Medical Center Ltd.
Arhythmia, Atrioventricular Heart-block
Observation of ImageReady™ MR Conditional Pacing System in China
To observe the safety and efficacy of ImageReady™ MR Conditional Pacing System in Chinese subjects
- Conditions
- Arhythmia, Atrioventricular Heart-block, Chronic Bundle Branch or Branch Block, Carotid Sinus Hypersensitivity Reaction Syndrome
- Trial name
- NCT02636712
- Testing
- ImageReady™ MR Conditional Pacing System
- Where
- 2 sites in China
- Volunteers
- 10 people
- Sponsor
- Boston Scientific Corporation
Postural Orthostatic Tachycardia Syndrome
A Study to Systematically Assess the Efficacy and Safety of Intravenous Albumin Infusions in Severe POTS
POTS is a relatively common condition that affects millions of patients around the globe. It has an estimated prevalence of 170/100,000 with approximately 80% of patients being women of childbearing age.
- Trial name
- NCT03365414
- Testing
- Albumin (Human) 5%, USP, Normal Saline 0.9% Infusion Solution Bag
- Sponsor
- University of Alberta
Vasovagal Syncope
Assessment of Stroke Volume and Cardiac Output in Response to Varying Heart Rates
The investigators will seek to determine the effects of different heart rates on both stroke volume and cardiac output using non-invasive hemodynamic assessments.
- Trial name
- Pacing_SV (NCT03446326)
- Testing
- Pacing
- Where
- Canada
- Volunteers
- 25 people
- Sponsor
- University of Calgary
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
Vasovagal Syncope (VVS), Presyncope
A Warning Red Flag Classification System to Predict Risk of Vasovagal Event During Office Hysteroscopy
The goal of this pilot cross sectional study is to identify participants at risk of vasovagal reaction/syncope(VVR/VVS) during office hysteroscopy.
- Trial name
- FLAG-VS (NCT07030218)
- Testing
- Office hysteroscopy
- Where
- India
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tanvir Hospital
Vasovagal Syncope
Study of Atomoxetine in the Prevention of Vasovagal Syncope
Project rationale: Vasovagal syncope (VVS) affects up to 50% of people, and recurrent syncope markedly reduces quality of life. We recently reported that it is frequently associated with injury and not surprisingly with clinical…
- Trial name
- POST7 (NCT05159687)
- Testing
- Atomoxetine Hydrochloride
- Where
- Canada
- Volunteers
- 180 people
- Sponsor
- University of Calgary
Vasovagal Syncope (VVS), Syncope
A Proof of Principle Study of Ondansetron for the Prevention of Vasovagal Syncope: The Eleventh Prevention of Syncope Trial (POST11)
About 20% of adults faint recurrently. These patients are often highly symptomatic, have problems with employment and driving, can be injured, and have poor quality of life.
- Trial name
- POST 11 (NCT05755737)
- Testing
- Ondansetron
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- University of Calgary
Hydration, Loss of Consciousness
Effect of Chronic Oral Hydration in Patients With Recurrent Unexplained Syncope
Beneficial effect of chronic hydration with salt supplementation in patients with recurrent unexplained syncope is not established.
- Conditions
- Hydration, Loss of Consciousness, Neurocardiogenic Syncope
- Trial name
- NCT00143754
- Testing
- Hydration
- Sponsor
- University Hospital, Angers
Syncope, Vasovagal
Cardiac Autonomic Dysfunction in Diabetics Patients With Syncope
Study hypothesis: cardiac autonomic dysfunction may affect vaso vagal syncope recurrences in type 2 patients with diabetes vs. patients without diabetes.
- Trial name
- NCT03717207
- Testing
- ecg Holter,, cardiac scintigraphy
- Where
- Italy
- Volunteers
- 242 people
- Sponsor
- University of Campania Luigi Vanvitelli
Reflex Syncope
Implantable Loop Recorder and Cardioneuroblation
The study aims to determine which method of vagal ganglia ablation is most effective in preventing recurrences of reflex asystole syncope.
- Trial name
- ILR-CNA (NCT07162740)
- Testing
- Right atrial ablation, Bi-atrial ablation
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- Istituto Auxologico Italiano
Syncope, Vasovagal
Midodrine and Fludrocortisone for Vasovagal Syncope
Syncope is a common condition which can disturb daily functions of the patients and impair their quality of lives. It contributes to 0.8 to 2.4% of the visits of emergency rooms.
- Trial name
- COMFORTS (NCT04595942)
- Testing
- Midodrine Hydrochloride Tablets, Fludrocortisone Acetate Tablets, Lifestyle modification
- Where
- Iran
- Volunteers
- 1,375 people
- Sponsor
- Tehran Heart Center
Cardiac Pacemaker, Arrythmia
Aveir VR Real-World Evidence Post-Approval Study
The purpose of this post-approval study is to evaluate the long-term safety of the single-chamber Aveir VR leadless pacemaker using real-world evidence methods.
- Conditions
- Cardiac Pacemaker, Arrythmia, Bradycardia
- Trial name
- NCT05270499
- Testing
- Aveir VR Leadless Pacemaker System
- Where
- United States
- Volunteers
- 3,427 people
- Sponsor
- Abbott Medical Devices
Vasovagal Syncope (VVS)
Assesment of the Clinical Benefit of Provocation on Tilt-table in SYNCope Patients, TiltSYNC-trial
multicenter prospective randomized controlled comparison of biofeedback with tilt table testing (investigational management strategy) vs biofeedback without tilt table testing (reference management strategy) in patients with…
- Trial name
- TiltSYNC (NCT07459478)
- Testing
- biofeedback and standard of care with tilt table testing, no tilt table testing
- Where
- Netherlands
- Volunteers
- 238 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Syncope
Pacemaker Effect With Closed Loop Sensor in Neuromodulated Syncope Refractory to Medical Therapy
Vasovagal syncope is an entity frequently in the emergency services, its treatment includes pharmacological and non-pharmacological measures, and in some severe cases, requires the implantation of cardiac stimulation devices…
- Trial name
- NCT03876652
- Testing
- Pacemaker with Closed Loop Stimulation (CLS)
- Where
- 2 sites in Colombia
- Volunteers
- 48 people
- Sponsor
- CES University