Clinical trials: Syncope, Vasovagal
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
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
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
Postural Orthostatic Tachycardia Syndrome, Syncope, Vasovagal
Tilt Table With Suspected Postural Orthostatic Tachycardia Syndrome (POTS) Subjects
Dysautonomia, primarily defined as postural orthostatic tachycardia syndrome (POTS) can seriously disrupt a child's daily activities. It is most commonly associated with nausea or abdominal pain.
- Conditions
- Postural Orthostatic Tachycardia Syndrome, Syncope, Vasovagal, Neurocardiogenic Syncope
- Trial name
- POTS (NCT01617616)
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Wake Forest University Health Sciences
Infertility
Optimal Balloon Catheter Placement During Sonohysterography
Saline infusion sonohysterography and other intrauterine investigations methods may cause uterine cramping, pain and vasovagal reactions.
- Trial name
- NCT01936116
- Testing
- sonohysterography with inflated catheter in uterine cavity, sonohysterography with inflated catheter in cervical cavity
- Where
- Iran
- Volunteers
- 300 people
- Sponsor
- Royan Institute
Syncope, Vasovagal
Detecting Syncope by an Integrated Multisensor Patch-type Recorder
The main purpose of this study is to assess the reliability of a new cuffless patch BP monitor in detecting episodes of hypotensive (pre)syncope during tilt testing.
- Trial name
- Patch-VD (NCT05782699)
- Testing
- BP monitoring during tilt testing
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- Istituto Auxologico Italiano
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, 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
Neurocardiogenic Syncope
Propranolol to Treat Fainting Due to Sympathoadrenal Imbalance
This study will examine the effectiveness of the drug propranolol in preventing fainting in patients with sympathoadrenal imbalance (SAI).
- Trial name
- NCT00060866
- Testing
- Propranolol
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Healthy
Effect of Dietary Salt Supplemantation in Vasovagal Syncope Prophylaxis: A Clinical Trial
Syncope is a syndrome consisting of a relatively short period of temporary and self-limited loss of consciousness caused by transient diminution of blood flow to the brain (most often the result of systemic hypotension).
- Trial name
- NCT00465946
- Testing
- Salt Supplementation
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hospital de Clinicas de Porto Alegre
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
Effect of Psychotherapy on Quality of Life and Recurrence of Events in Patients With Recurrent Vasovagal Syncope: A Randomized Pilot Study
Recurrent vasovagal syncope although presenting a benign prognosis in terms of survival, is associated with significant impairment of quality of life.
- Trial name
- NCT04252729
- Testing
- Psychotherapy
- Where
- Brazil
- Volunteers
- 10 people
- Sponsor
- Mauricio Ibrahim Scanavacca
Syncope, Vasovagal
Closed Loop Stimulation for Neuromediated Syncope (SPAIN Study)
Physiological stimulation therapy effectiveness will be proved with contractility sensor or CLS sensor (Closed Loop Stimulation), in BIOTRONIK CLS pacemakers to prevent from neuromediated syncope.
- Trial name
- SPAIN (NCT01621464)
- Testing
- Pacemaker with Closed Loop Stimulation (CLS sensor)
- Where
- Spain
- Volunteers
- 55 people
- Sponsor
- Spanish Society of Cardiology
Vasovagal Syncope
Prevention of Syncope Trial 6 - Atomoxetine in Vasovagal Syncope
Objective: To determine if atomoxetine 40 mg bid (bis in die) in patients ≥18 years old with recurrent vasovagal syncope will better prevent syncope during tilt testing than placebo.
- Trial name
- POST6 (NCT02500732)
- Testing
- Atomoxetine
- Where
- Canada
- Volunteers
- 57 people
- Sponsor
- University of Calgary
Reflex Syncope
Cardioinhibitory Reflex Syncope. Permanent Pacemaker Therapy or Cardioneuroablation?
Reflex syncope is the most common form of syncope. It can lead to injuries and affect quality of life. Nonpharmacological and medical therapies have limited effectiveness.
- Trial name
- PANACEA (NCT05855603)
- Testing
- Cardioneuroablation, Permanent pacemaker therapy
- Where
- 10 sites in Spain
- Volunteers
- 90 people
- Sponsor
- Institut d'Investigació Biomèdica de Bellvitge
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
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
Syncope, Vasovagal
Different Catheter Ablation Strategy in Vasovagal Syncope
This study is a prospective, single-center randomized controlled clinical trial. patients with refractory vasovagal syncope were randomly divided into two groups according to the proportion of 1:1.
- Trial name
- NCT05573178
- Testing
- cardiac ganglion plexus ablation(cardioneuroablation)
- Where
- 2 sites in China
- Volunteers
- 80 people
- Sponsor
- China National Center for Cardiovascular Diseases
Cardiac Pacing in Adherence With ESC Cardiac Pacing Guidelines
AVEIR™ Leadless Pacemaker Registry in Europe and MIddle East Region (PREMIER LEADLESS)
The AVEIR™ Leadless Pacemaker Registry (herein referred to as "PREMIER LEADLESS Registry") is a prospective, multicenter, International, open label observational study designed to evaluate safety and electrical performances of…
- Trial name
- NCT06782152
- Volunteers
- 1,698 people
- Sponsor
- King Fahad Armed Forces Hospital
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