Clinical trials: Syncope and Collapse
Syncope
Heat Stress and Volume Administration
Heat stress reduces the central blood volume and causes orthostatic intolerance. The hypothesis is that infusion of volume may reduce effects of orthostatic stress during heat stress.
- Trial name
- NCT00714766
- Testing
- Intravascular volume administration
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Syncope
Haemodynamic Feasibility Study of Sensors Within a Tilting Table Examination
This study´s aim is to explore physiological associations concerning pulse wave velocity, heart rate and blood pressure in order to make taking the blood pressure more comfortable.
- Trial name
- NCT01831297
- Testing
- measurement of blood pressure
- Where
- Germany
- Volunteers
- 10 people
- Sponsor
- RWTH Aachen University
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
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
Syncope
Rapid Measurement of Adenosine in Syncope Patients
Until now, a barrier to the widespread evaluation of adenosine in clinical practice has been the difficulty of obtaining rapid reliable measures.
- Trial name
- BlotSpot (NCT05782712)
- Testing
- adenosine dosage
- Where
- Italy
- Volunteers
- 235 people
- Sponsor
- Istituto Auxologico Italiano
Syncope, Vasovagal, Neurally-Mediated
Assessment of the Durability of Cardioneuroablation Using Physiological Indices of Heart Rate Reactivity
Cardioneuroablation is a novel treatment option for reflex-mediated syncope. It involves thermal destruction of neural tissue in the close proximity of heart using catheter introduced to the heart through vein in the groin.
- Trial name
- NCT06697145
- Testing
- Cardioneuroablation
- Where
- Poland
- Volunteers
- 12 people
- Sponsor
- Wroclaw Medical University
Brief Loss of Consciousness
Applicability of Syncope Guidelines in Cataluña
The aim of SYNCAT study is to study the level of adherence of the centers in Cataluña tu the Syncope Guidelines ESC2009 for the diagnosis and treatment of syncope and the impact that following them can have in the prognosis of…
- Trial name
- SYNCAT (NCT01721369)
- Testing
- Transient Loss of Consciousness (T-LOC)
- Volunteers
- 581 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Consciousness Disorder
A Clinical Decision Aid for Diagnosing Transient Loss of Consciousness
BACKGROUND: Transient loss of consciousness (TLOC) - defined as spontaneous disruption of consciousness not due to head trauma and with complete recovery - has a lifetime prevalence of 50%.
- Trial name
- NCT05367999
- Testing
- initial Paroxysmal Event Profile
- Where
- 2 sites in United Kingdom
- Volunteers
- 186 people
- Sponsor
- Sheffield Teaching Hospitals NHS Foundation Trust
Atrial Fibrillation, Arrhythmias, Cardiac
Telemetric Arrhythmia and Syncope Diagnosis - Evaluation of Arrhythmia Treatment Efficacy
The purpose of this study is to assess efficacy of prolonged Full Disclosure ECG monitoring and signal analysis using advanced GSM telemetric technology to prescribe the most appropriate treatment of arrhythmia.
- Trial name
- TELEMARC 4 (NCT01265303)
- Testing
- Prolonged telemetric Full Disclosure ECG recording.
- Where
- 3 sites in Belgium, Poland
- Volunteers
- 360 people
- Sponsor
- National Institute of Cardiology, Warsaw, Poland
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
Pulmonary Embolism, Syncope
Assessing the Risk of Pulmonary Embolism in Patients After Hospitalization for First Episode of Syncope
Acute pulmonary embolism (APE) is a common disease, which involves significant morbidity and mortality. The clinical presentation of APE has many faces but it is acceptable to suspect this disease when the patient presenting with…
- Trial name
- NCT03034525
- Volunteers
- 7,000 people
- Sponsor
- Rambam Health Care Campus
Bifascicular Block, Syncope
Prevention of Syncope by Cardiac Pacing in Patients With Bifascicular Block
Study Objective The purpose of this study is to evaluate the efficacy of bradycardia pacing with respect to patient symptoms in patients with bifascicular block and syncope of unexplained origin.
- Trial name
- PRESS (NCT01463358)
- Testing
- DDD60 (INSIGNIA® pacing systems Guidant (Boston Scientific)
- Where
- 12 sites in Italy
- Volunteers
- 101 people
- Sponsor
- Boston Scientific Corporation
Syncope
Theophylline for Low Adenosine Syncope
The study aims at assessing that theophylline is effective in patients with no prodromes, normal heart and with low values of plasmatic adenosine compared with a propensity-score matched untreated control population who have…
- Trial name
- THEO-USA (NCT03803215)
- Testing
- Theophylline
- Where
- Italy
- Volunteers
- 77 people
- Sponsor
- Centro Prevenzione Malattie Cardiovascolari N. e V. Corbella
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
Syncope, Pre-Syncope
Evaluation of a Mobile Cardiac Outpatient Telemetry System Versus Standard Loop Event Monitor
Comparing the arrhythmia diagnostic yield of MCOT as compared to standard loop event monitors in patients presenting with palpitations, syncope or near syncope occurring less frequently than every 24 hours.
- Conditions
- Syncope, Pre-Syncope, Palpitations
- Trial name
- NCT00295204
- Where
- 13 sites in United States
- Volunteers
- 300 people
- Sponsor
- Cardionet
Diagnosis, Recurrence
Clinical and Laboratory Characteristics of Patients Admitted With Syncope; Diagnosis and Follow up After These Patients
The investigators hypothesis is that a significant number of patients may remain without specific cause and have recurrent syncope with its associated physical and mental morbidity.
- Trial name
- NCT01201993
- Where
- Israel
- Volunteers
- 40 people
- Sponsor
- Carmel Medical Center
Reflex Syncope
Cardioneuroablation in Reflex Syncope (CARDIOSYRE Trial)
Background: Reflex syncope is a disease of benign etiology but in severe cases it can be disabling and it carries a risk of severe trauma.
- Trial name
- CARDIOSYE (NCT05513755)
- Testing
- cardioneuroablation
- Where
- Spain
- Volunteers
- 92 people
- Sponsor
- Fundación de investigación HM
Neuromediated Cardioinhibitory Syncope
Efficacy of Transcatheter Ablation Using Anatomic Approach of Ganglionated Plexi Located in the Right Atrium to Prevent Neuromediated Cardioinhibitory Syncope
Cardioinhibitory neurocardiogenic syncope (CNS) or vasovagal syncope, is the most frequent aetiology of syncope in young people without apparent cardiac or neurological pathology.
- Trial name
- NCT01814228
- Testing
- transcatheter ablation of ganglionated plexi in right atrium
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- Policlinico Casilino ASL RMB
Vasovagal Syncope
Assessment of Metoprolol in the Prevention of Vasovagal Syncope in Aging Subjects
Syncope affects about 50% of Canadians, is the cause of 1-2% of emergency room visits, and probably is responsible for CDN $250 million in health care spending each year.
- Trial name
- NCT02123056
- Testing
- Metoprolol
- Where
- 2 sites in Canada
- Volunteers
- 52 people
- Sponsor
- University of Calgary
Syncope
Evaluation of Syncope,Its Diagnosis, Treatment, Outcome and Prognosis
The investigators want to look at how patients admitted after passing out (syncope) or nearly passing out (pre-syncope) do after going home and how many of them remain free of symptoms of syncope or pre-syncope.
- Trial name
- E-STOP (NCT00764985)
- Where
- United States
- Volunteers
- 540 people
- Sponsor
- St. Luke's-Roosevelt Hospital Center