Clinical trials: Neurally Mediated Syncope
Syncope
ISSUE3: International Study on Syncope of Uncertain Etiology 3
ISSUE 3 is a multi-center, prospective, randomised controlled double-blind study aimed to assess the effectiveness of pacemaker therapy for prevention of asystolic neurally-mediated syncope.
- Trial name
- NCT00359203
- Testing
- Dual chamber pacemeker
- Where
- Italy
- Volunteers
- 511 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Cardiac Pacemaker, Artificial, Cardiac Rhythm Disorder
Aveir DR i2i Study
Prospective, non-randomized, multi-center, international study designed to evaluate the safety and effectiveness of the Aveir™ Dual-Chamber (DR) Leadless Pacemaker system.
- Conditions
- Cardiac Pacemaker, Artificial, Cardiac Rhythm Disorder, Bradycardia
- Trial name
- NCT05252702
- Testing
- Aveir DR Leadless Pacemaker System
- Where
- 78 sites in United States, Austria and 11 more
- Volunteers
- 464 people
- Sponsor
- Abbott Medical Devices
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
Syncope, Syncope, Vasovagal
Effect of Pharmacological Interventions on Systolic Blood Pressure Drops (SynABPM 2 Proof-of-concept)
SynABPM 2 proof-of-efficacy is a retrospective, multicentre, observational study performed in patients affected by hypotensive reflex syncope who had performed two ABPMs, one before and another after any therapeutical…
- Conditions
- Syncope, Syncope, Vasovagal, Ambulatory Blood Pressure Monitoring, Antihypertensive Drugs
- Trial name
- SynABPM (NCT05729724)
- Where
- Italy
- Volunteers
- 111 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
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
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
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
Bradycardia, Syncope, Vasovagal
Comparison of Focal Cryoablation vs. Radiofrequency Cardioneuroablation for Bradyarrhythmias
Bradyarrhythmias are conditions where the heart beats too slowly, causing symptoms like dizziness, fainting, and fatigue. In some patients, these slow heart rhythms are caused by overactivity of the vagus nerve (the part of the…
- Conditions
- Bradycardia, Syncope, Vasovagal, Sick Sinus Syndrome, Atrioventricular Block
- Trial name
- CRYO-CNA vs RF (NCT07671898)
- Testing
- Focal Cryoablation, Radiofrequency Catheter Ablation
- Where
- Russia
- Volunteers
- 60 people
- Sponsor
- Tomsk National Research Medical Center of the Russian Academy of Sciences
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
Colorectal Neoplasia, Screening Colonoscopy
Total Underwater Colonoscopy (TUC) for Improved Colorectal Cancer Screening: A Randomized Controlled Trial
Colorectal cancer (CRC), the third most diagnosed cancer and second most common cause of cancer death. CRCs develop from precursors like adenomas (about 70% of CRCs) or serrated lesions (SSLs) (about 25-30% of CRCs).
- Conditions
- Colorectal Neoplasia, Screening Colonoscopy, Colorectal Cancer, Colorectal Cancer Screening
- Trial name
- NCT06333392
- Testing
- Total underwater colonoscopy, Conventional colonoscopy
- Where
- 5 sites in Norway, Sweden
- Volunteers
- 1,070 people
- Sponsor
- Vestre Viken Hospital Trust
Vasovagal Syncope, Postural Tachycardia Syndrome
Mechanisms of Vasovagal Syncope
Vasovagal Syncope (simple postural faint) is the most common cause of acute loss of consciousness. Postural tachycardia syndrome(POTS) is the most common chronic form of postural lightheadedness.
- Trial name
- NCT01791816
- Testing
- Phenylephrine, L-Ng-monomethyl Arginine (L-NMMA)
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- New York Medical College
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
Syncope, Vasovagal, Sleep Apnea Syndromes
Management of Sleep Apnoea Syndrome (SAS) in Patients With Vasovagal Syncope (VVS)
This is a multi-centre, registry-based study whose primary objective is to evaluate the effect of treatment for sleep apnoea syndrome (SAS) on the number of syncope/malaise episodes in a population suffering from both idiopathic…
- Trial name
- VVS-SAS (NCT04294524)
- Testing
- Sleep apnea treatment
- Where
- 8 sites in France, Monaco
- Volunteers
- 60 people
- Sponsor
- PEAS (Pole d'Exploration des Apnees du Sommeil)