Clinical trials: Reflex Syncope
Reflex Syncope
Cardioneuroablation: Comparison of Right Versus Left Atrial Approach in Patients With Reflex Syncope
Introduction. Reflex vaso-vagal syncope (VVS) is the most frequent cause of transient loss of consciousness and it's treatment remains a challenge.
- Trial name
- ROMAN2 (NCT05225532)
- Testing
- Radiofrequency ablation
- Where
- Poland
- Volunteers
- 40 people
- Sponsor
- Centre of Postgraduate Medical Education
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, Pain Intensity
Safety/Efficacy Study of Local Anesthetic Prior to Femoral Artery Sheath Removal
This randomized controlled trial will examine the impact of local anesthetic on the frequency of vasovagal reactions and the patients perception of pain during femoral arterial sheath removal after percutaneous coronary…
- Trial name
- NCT00465439
- Testing
- Subcutaneous Lidocaine 2% (Xylocaine) without epinephrine
- Where
- Canada
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Hamilton Health Sciences Corporation
Vasovagal Syncope
Effect of Closed Loop Pacemaker Treatment on Recurrent Vasovagal Syncope
The main purpose is to prevent syncope in patients with recurrent syncopal episodes caused by malignant vasovagal faints and bradycardia.
- Trial name
- NCT00292825
- Testing
- Pacemaker treatment, pacemaker programmed as active = CLS, Pacemaker, programmed as passive = VVI 30 beats per minute (bpm)
- Where
- Denmark
- Volunteers
- 100 people
- Sponsor
- Aarhus University Hospital Skejby
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
Syncope, Pacemaker
Syncope-Asystole Latency Time in Tilt Table Test: The SALT-TILT Study
Syncope is a common presenting condition. Pacemaker implantation can significantly reduce syncope recurrences in reflex syncope.
- Conditions
- Syncope, Pacemaker, Asystole, Neurally Mediated Syncope
- Trial name
- SALT-TILT (NCT06356207)
- Testing
- Tilt Table Test
- Where
- Italy
- Volunteers
- 64 people
- Sponsor
- Azienda Ospedaliera di Bolzano
Syncope, Vasovagal
Cardioneuroablation: Fragmented Atrial Potentials, Intracardiac Echocardiography and Computed Tomography
Cardioneuroablation (CNA) is a new method for the treatment of asystolic reflex syncope, however, optimal methods for identification of presumed sites of ganglionated plexi (GP), which are the target for CNA and are located in…
- Trial name
- Roman5 (NCT06472102)
- Testing
- Cardioneuroablation
- Where
- Poland
- Volunteers
- 100 people
- Sponsor
- Centre of Postgraduate Medical Education
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)
Blood Donors
Addressing Fear and Risk of Vasovagal Reactions Among High School Donors
In this study, high school donors will be asked about their blood donation-related fears prior to their donation. Half of the donors reporting fear will be assigned to a brief coping skills intervention.
- Trial name
- NCT03835299
- Testing
- Fear Intervention
- Where
- United States
- Volunteers
- 4,035 people
- Sponsor
- Ohio University
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
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
International Study on Syncope of Uncertain Etiology
This is a multi-center, prospective, observational study enrolling 400 patients with suspected or certain neurally-mediated syncope, who undergo carotid sinus massage, tilt testing and Implantable Loop Recorder (ILR)implantation.
- Trial name
- NCT00120094
- Where
- 3 sites in Italy, United Kingdom
- Volunteers
- 400 people
- Sponsor
- Azienda USL Reggio Emilia - IRCCS
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
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
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 Reaction
Prevention of Vasovagal Reactions in First-time Blood Donors Using a Combined PSYchological and Physiological Approach
The prevention of vasovagal reactions (VVR) occurring during or after donation is a major issue for the French Blood Establishment (EFS), firstly to guarantee the safety of donors but also to retain them, as this reaction is one…
- Trial name
- PREDONPSY (NCT06014346)
- Testing
- Psychological strategy, Physiological strategy
- Where
- France
- Volunteers
- 5,320 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
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
Neurocardiogenic Syncope, Vasovagal Syncope
Cardioneuroablation for Neurocardiogenic Syncope
The purpose of this study is to evaluate the effectiveness of cardioneuroablation for the treatment of neurocardiogenic syncope (NCS), also known as "vaso-vagal" syncope.
- Trial name
- Ablate-NCS (NCT02009982)
- Testing
- Cardioneuroablation, Biosense Webster Navistar ThermoCool Diagnostic/Ablation Deflectable Tip Catheter
- Where
- 2 sites in United States
- Volunteers
- 3 people
- Sponsor
- David B. De Lurgio
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
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