NCT05755737
A Proof of Principle Study of Ondansetron for the Prevention of Vasovagal Syncope: The Eleventh Prevention of Syncope Trial (POST11) treatment 2 recruiting NCT02558972
Northera Improves Postural Tachycardia Syndrome (POTS) and Postural Vasovagal Syncope (VVS) treatment 2 unknown_status NCT05803148
Treatment Strategy of Vasovagal Syncope treatment Not Available recruiting NCT05782647
Wearable Monitor in Patients With Syncope No drug interventions diagnostic Not Available completed NCT04595942
Midodrine and Fludrocortisone for Vasovagal Syncope treatment 3 unknown_status NCT05572034
Cardiac Autonomic Denervation for Cardio-inhibitory Syncope No drug interventions treatment Not Available not_yet_recruiting NCT03159156
Respiration and Applied Tension Strategies to Reduce Vasovagal Reactions to Blood Donation No drug interventions basic_science Not Available unknown_status NCT01617616
Tilt Table With Suspected Postural Orthostatic Tachycardia Syndrome (POTS) Subjects No drug interventions Not Available Not Available completed NCT00302900
Preventing Negative Reactions in First Time Blood Donors to Encourage Subsequent Blood Donations No drug interventions prevention 2 completed NCT06496074
Heart Rate Variation in Females Predicts Tilt Test Results No drug interventions Not Available Not Available active_not_recruiting NCT06458140
Cardioneuroablation and Ventricular Proarrhythmia No drug interventions treatment Not Available recruiting NCT06038708
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 No drug interventions Not Available Not Available completed NCT05782699
Detecting Syncope by an Integrated Multisensor Patch-type Recorder No drug interventions diagnostic Not Available completed NCT05633693
Postural Sway and Counterpressure Maneuvers for Pediatric Syncope No drug interventions treatment Not Available recruiting NCT06159764
National Registry of Cardioneuroablation in Recurrent Reflex Syncope No drug interventions Not Available Not Available not_yet_recruiting NCT04772755
Presyncope (Syncope) Prevention Study No drug interventions prevention Not Available completed NCT04972123
The Effect of CPC on Aborting Tilt Induced Syncope in Patients With a History of Vasovagal Syncope or Near Syncope treatment 2 completed NCT03717207
Cardiac Autonomic Dysfunction in Diabetics Patients With Syncope No drug interventions Not Available Not Available completed NCT05573178
Different Catheter Ablation Strategy in Vasovagal Syncope No drug interventions prevention Not Available completed NCT05086679
Compression Stockings for Treating Vasovagal Syncope Trial No drug interventions treatment Not Available recruiting NCT05555771
Paediatric Syncope in the Emergency Department No drug interventions treatment Not Available recruiting NCT02954666
Second Study on Cardio-neuromodulation in Humans No drug interventions treatment Not Available completed NCT01926561
Predictive Factors for Hypotensive Bradycardic Events During Arthroscopic Shoulder Surgery No drug interventions Not Available Not Available completed NCT00475462
The Effectiveness of Metoprolol in the Prevention of Syncope Recurrence in Children and Adolescents treatment Not Available completed NCT06440291
Cardioneuroablation for Reflex Syncope and Exercise Capacity No drug interventions treatment Not Available recruiting NCT04294524
Management of Sleep Apnoea Syndrome (SAS) in Patients With Vasovagal Syncope (VVS) No drug interventions Not Available Not Available unknown_status NCT06336031
Impact of Blood Phobia on Fainting Susceptibility No drug interventions other Not Available recruiting NCT05729724
Effect of Pharmacological Interventions on Systolic Blood Pressure Drops (SynABPM 2 Proof-of-concept) No drug interventions Not Available Not Available completed NCT03903744
Cardioneuroablation for Reflex Syncope No drug interventions treatment Not Available completed NCT03533829
Preventing Post-Vaccination Presyncope and Syncope in Adolescents Using Simple, Clinic-based Interventions: A Pilot Study No drug interventions device_feasibility Not Available completed NCT05728255
Assessment of the Mechanism of Non-cardiac Syncope No drug interventions Not Available Not Available completed NCT01695525
Influence of Yoga in Patients With Neurocardiogenic Syncope No drug interventions treatment 0 completed NCT00465439
Safety/Efficacy Study of Local Anesthetic Prior to Femoral Artery Sheath Removal No drug interventions treatment Not Available completed NCT02874937
A Proof of Principal Study of Atomoxetine for the Prevention of Vasovagal Syncope treatment 2 completed NCT05159687
Study of Atomoxetine in the Prevention of Vasovagal Syncope treatment 3 recruiting NCT02018497
Essential Hypotension and Allostasis Registry No drug interventions Not Available Not Available recruiting NCT06331819
Clinical Association Between Obstructive Sleep Apnea, Facial Pigmentation, and Vasovagal Symptoms. No drug interventions Not Available Not Available recruiting NCT00292825
Effect of Closed Loop Pacemaker Treatment on Recurrent Vasovagal Syncope No drug interventions treatment Not Available completed NCT02009982
Cardioneuroablation for Neurocardiogenic Syncope No drug interventions treatment Not Available completed NCT02140567
Syncope Prediction Study No drug interventions Not Available Not Available completed NCT02949804
Relation Between Vasovagal Tendency and Smoking Among University Students No drug interventions Not Available Not Available completed NCT01456481
Assessment of Midodrine in the Prevention of Vasovagal Syncope: The Prevention of Syncope Trial IV treatment 4 active_not_recruiting NCT06166277
Cardioneuroablation for Recurrent Vasovagal Syncope and Bradyarrhythmias: The CNA-FWRD Registry No drug interventions Not Available Not Available not_yet_recruiting NCT00061009
Hypnosis in Autonomic Function No drug interventions Not Available Not Available completed NCT02123056
Assessment of Metoprolol in the Prevention of Vasovagal Syncope in Aging Subjects treatment 4 active_not_recruiting NCT02500732
Prevention of Syncope Trial 6 - Atomoxetine in Vasovagal Syncope treatment 2 completed NCT01791816
Mechanisms of Vasovagal Syncope diagnostic 0 unknown_status NCT03446326
Assessment of Stroke Volume and Cardiac Output in Response to Varying Heart Rates No drug interventions treatment Not Available recruiting NCT05621460
The Effect of Water Carbonation on Orthostatic Tolerance No drug interventions treatment Not Available recruiting NCT02636712
Observation of ImageReady™ MR Conditional Pacing System in China No drug interventions Not Available Not Available completed NCT01621464
Closed Loop Stimulation for Neuromediated Syncope (SPAIN Study) No drug interventions prevention 4 unknown_status NCT06472102
Cardioneuroablation: Fragmented Atrial Potentials, Intracardiac Echocardiography and Computed Tomography No drug interventions treatment Not Available recruiting