Clinical trials: Vasovagal Syncope
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
Cardiac Pacemaker, Arrythmia
Aveir VR Real-World Evidence Post-Approval Study
The purpose of this post-approval study is to evaluate the long-term safety of the single-chamber Aveir VR leadless pacemaker using real-world evidence methods.
- Conditions
- Cardiac Pacemaker, Arrythmia, Bradycardia
- Trial name
- NCT05270499
- Testing
- Aveir VR Leadless Pacemaker System
- Where
- United States
- Volunteers
- 3,427 people
- Sponsor
- Abbott Medical Devices
Vasovagal Syncope
Study of Atomoxetine in the Prevention of Vasovagal Syncope
Project rationale: Vasovagal syncope (VVS) affects up to 50% of people, and recurrent syncope markedly reduces quality of life. We recently reported that it is frequently associated with injury and not surprisingly with clinical…
- Trial name
- POST7 (NCT05159687)
- Testing
- Atomoxetine Hydrochloride
- Where
- Canada
- Volunteers
- 180 people
- Sponsor
- University of Calgary
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
Syncope
Non-Pharmacologic Therapy for Neurocardiogenic Syncope
This study will examine whether certain procedures that do not involve the use of medications can reduce symptoms of neurocardiogenic syncope (SIN-ku-pe), or a condition involving recurrent fainting.
- Trial name
- NCT00096902
- Testing
- Tilt table test
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Autonomic Nervous System Diseases
PET Scan in Patients With Neurocardiologic Disorders
This study is designed to use PET scans in order to measure activity of the sympathetic nervous system. The sympathetic nervous system is the portion of the nervous system that maintains a normal supply of blood and fuel to…
- Trial name
- NCT00001418
- Where
- United States
- Volunteers
- 335 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
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
Syncope, Vasovagal
The Effectiveness of Metoprolol in the Prevention of Syncope Recurrence in Children and Adolescents
The purpose of this study to evaluate the effectiveness of metoprolol versus conventional treatment in the prevention of syncope recurrence in children and adolescents.
- Trial name
- NCT00475462
- Testing
- metoprolol, conventional treatment
- Volunteers
- 28 people
- Sponsor
- Peking University First Hospital
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
Arhythmia, Atrioventricular Heart-block
Observation of ImageReady™ MR Conditional Pacing System in China
To observe the safety and efficacy of ImageReady™ MR Conditional Pacing System in Chinese subjects
- Conditions
- Arhythmia, Atrioventricular Heart-block, Chronic Bundle Branch or Branch Block, Carotid Sinus Hypersensitivity Reaction Syndrome
- Trial name
- NCT02636712
- Testing
- ImageReady™ MR Conditional Pacing System
- Where
- 2 sites in China
- Volunteers
- 10 people
- Sponsor
- Boston Scientific Corporation
Arrhythmias, Cardiac
Biospecimen Repository for Cardiac Arrhythmias at the Cleveland Clinic
Biorepository of blood and or tissue samples from patients presenting with cardiac arrhythmia syndromes.
- Trial name
- NCT00921986
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Neurally Mediated Syncope
The Iliac Arterio-venous Fistula for Treatment of Neurally Mediated Syncope Study
The purpose of the study is to investigate the efficacy of the ROX coupler in treating patients with tilt test proven Neurally mediated syncope.
- Trial name
- SHAM-ROX NMS (NCT02388087)
- Testing
- ROX COUPLER, Right heart catheterisation and routine care
- Volunteers
- 20 people
- Sponsor
- East Sussex Healthcare NHS Trust
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
Syncope
Guideline-based Pacing Therapy for Reflex Syncope
Study hypothesis: Dual-chamber pacemaker therapy with rate-hysteresis features is effective in preventing syncopal recurrences in patients affected by cardioinhibitory (CI) forms of reflex syncope diagnosed by means of carotid…
- Trial name
- SUP2 (NCT01509534)
- Where
- 8 sites in Italy
- Volunteers
- 281 people
- Sponsor
- Gruppo Italiano Multidisciplinare per lo Studio della Sincope
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
Bradycardia; Syncope, Syncope, Vasovagal
Cardiac Autonomic Denervation for Cardio-inhibitory Syncope
Background: Autonomic system modification is an established therapeutic approach that has been increasingly used for the treatment of vagal-related symptomatic bradycardia, such as cardio-inhibitory vasovagal syncope1-12.
- Trial name
- CardioSync (NCT05572034)
- Testing
- Electrophysiological study, Electrophysiological study and Right side Ganglionated Plexi ablation, Electrophysiological study and bi-atrial Ganglionated Plexi ablation
- Where
- 2 sites in Brazil
- Volunteers
- 45 people
- Sponsor
- University of Sao Paulo General Hospital
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
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
Orthostatic Hypotension, Reflex Syncope
Fainting Detection And Early Warning In Syncope Evaluation Study (ARISE)
To characterize the impact of orthostatic hypotension (OH) and Vasovagal syncope on signals measured using a wearable Holter monitor in the clinic and ambulatory setting.
- Trial name
- ARISE (NCT07502599)
- Testing
- Wearable holter monitor
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Boston Scientific Corporation
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