Clinical trials: Reflex Syncope
Syncope, Syncope, Vasovagal
Head-up Tilt Test in Patients With Reflex Syncope and Asystolic Response Who Received a Dual-chamber Pacemaker With the Closed Loop Stimulation (CLS) and Participated in the BIOSync Trial
The purpose of this study is to explore changes in patients' hemodynamic parameters during the Head-Up Tilt Test ("HUTT") and their timing with respect to onset of the Closed Loop Stimulation (CLS) pacing.
- Trial name
- BIO|Sync-HUTT (NCT06038708)
- Where
- 2 sites in Italy
- Volunteers
- 20 people
- Sponsor
- Biotronik SE & Co. KG
Syncope, Vasovagal
Heart Rate Variation in Females Predicts Tilt Test Results
Head-up tilt test (HUTT) is widely used to evaluate patients with unexplained syncope, but data on clinical predictors of HUTT results are limited.
- Trial name
- NCT06496074
- Testing
- Head-up Tilt Test
- Where
- Brazil
- Volunteers
- 149 people
- Sponsor
- Federal University of Piaui
Syncope, Vasovagal
Cardioneuroablation and Ventricular Proarrhythmia
Cardioneuroablation (CNA) is a promising tool to treat patients with asystolic reflex syncope. CNA acts through complete or near complete abolition of vagal nerve chronotropic and dromotropic effects on the heart, resulting in…
- Trial name
- Roman4 (NCT06458140)
- Testing
- Cardioneuroablation
- Where
- Poland
- Volunteers
- 50 people
- Sponsor
- Centre of Postgraduate Medical Education
Blood Donation
Effect of Different Liquids Intake in Vasovagal Reaction After Whole Blood Donation
we compared the effect of 3 different kinds of liquids (water, Oral Rehydration Salt 3 and white granulated sugar water) intake in Vasovagal Reaction After Whole Blood Donation
- Trial name
- NCT05319951
- Testing
- Oral Rehydration Salts power (iii), water with white granulated sugar, water
- Where
- China
- Volunteers
- 6,250 people
- Sponsor
- Guangzhou Blood Center
Neurally Mediated Syncope
Italian Cardioneuroablation Study for Neurocardiogenic Syncope Patients
Multicenter Italian interventional "proof of efficacy" clinical trial that aims to evaluate the incidence of asystolic pauses and heart rate in patients with CNS who performed severe CNA identified through asystolic pauses…
- Trial name
- ItalianCNA (NCT05751330)
- Testing
- Transcatheter ablation of cardiac ganglionated plexi
- Where
- 2 sites in Italy
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Policlinico Casilino ASL RMB
Syncope, Vasovagal, Neurally-Mediated
Clinical Trial for the Prevention of Vasovagal Syncope
The main question in the study is whether people taking fludrocortisone are less likely to faint than people taking an inactive pill called a placebo. Fludrocortisone is a drug that stimulates the body to retain salt and water.
- Trial name
- NCT00118482
- Testing
- fludrocortisone acetate
- Where
- 14 sites in United States, Canada
- Volunteers
- 213 people
- Sponsor
- University of Calgary
POTS - Postural Orthostatic Tachycardia Syndrome
Postural Tachycardia Syndrome and Vasovagal Syncope in Relation to Serum Electrolytes and Adrenal Insufficiency
The present study aims to: 1. Estimate the prevalence of Postural Tachycardia Syndrome and vasovagal syncope among adults patients attend the Internal Medicine Clinic and ICU in period from 11/2022 to 10/2023 2.
- Trial name
- NCT05695755
- Testing
- ECHO, Serum electrolytes
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Assiut University
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
Orthostatic Hypotension, Syncope
The Effect of Water Carbonation on Orthostatic Tolerance
The primary purpose of this investigation is to determine whether water carbonation can improve orthostatic tolerance in healthy control volunteers.
- Conditions
- Orthostatic Hypotension, Syncope, Vasovagal Syncope
- Trial name
- NCT05621460
- Testing
- 500mL carbonated water, 500mL still water, 50mL still water
- Where
- Canada
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Simon Fraser University
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
Syncope, Vasovagal, Neurally-Mediated
The Tilt Test-Induced REsponse in Closed-loop Stimulation (TIRECS) Study
Multicentre, prospective, double blinded, randomized study designed as an intrapatient comparison to evaluate the effects of the Biotronik Closed-loop Stimulation algorithm on prevalence and timing of haemodynamic variations and…
- Trial name
- TIRECS (NCT02573649)
- Testing
- Closed-loop Stimulation on first, Closed-loop Stimulation off first
- Where
- 2 sites in Italy
- Volunteers
- 30 people
- Sponsor
- Azienda Ospedaliera Cardinale G. Panico
Syncope, Vasovagal
The Effect of CPC on Aborting Tilt Induced Syncope in Patients With a History of Vasovagal Syncope or Near Syncope
Syncope is defined as transient loss of consciousness associated with inability to maintain postural tone with rapid and spontaneous recovery.
- Trial name
- NCT04972123
- Testing
- CPC - Capsaicin, Phenylephrine, Caffeine, Tilt Table Test
- Where
- United States
- Volunteers
- 143 people
- Sponsor
- University of Wisconsin, Madison