Syncope clinical trials
The registry lists 226 studies for Syncope across more than 10 countries. 45 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-09-15.
Status
- Completed
- 119
- Status unknown
- 39
- Recruiting
- 36
- Active, not recruiting
- 9
- Terminated
- 7
- Not yet recruiting
- 6
Phase
- Phase 2
- 10
- Phase 4
- 8
- Phase 3
- 6
- Early Phase 1
- 3
- Phase 1
- 3
Where
- United States
- 64
- Italy
- 36
- Canada
- 29
- France
- 19
- Germany
- 16
- Spain
- 15
Who runs them
University of Calgary (9) · Biotronik SE & Co. KG (9) · Istituto Auxologico Italiano (8) · Abbott Medical Devices (6) · National Institute of Neurological Disorders and Stroke (NINDS) (6) · Centre of Postgraduate Medical Education (5) · Boston Scientific Corporation (4) · Medtronic Cardiac Rhythm and Heart Failure (4)
Studies
Recruiting first, then most recently updated. Showing 50 of 226 — search for more.
- Biospecimen Repository for Cardiac Arrhythmias at the Cleveland ClinicRecruitingNCT009219861 country
- Cor360: Clinician-Facing Broad-Spectrum Cardiac Phenotyping and Risk Assessment Using COR® Wearable ECG to Inform Outcomes-Oriented Care PathwaysEnrolling by invitationNCT077759761 country
- AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable MonitorRecruitingNCT066990561 country
- The Effect of Water Carbonation on Orthostatic ToleranceRecruitingNCT05621460Not applicable1 country
- Assesment of the Clinical Benefit of Provocation on Tilt-table in SYNCope Patients, TiltSYNC-trialRecruitingNCT07459478Not applicable1 country
- In Hospital 24 Hour Observation of Syncope PatientsRecruitingNCT064723751 country
- Do QT-Prolonging Drugs Cause Major Adverse Cardiac Events in Hospitalized Adults?RecruitingNCT073742631 country
- REmote Cardiac MOnitoring of At-risk SYNCope Patients After Emergency Department Discharge -RCTRecruitingNCT05066347Not applicable1 country
- Observation of Clinical Routine Care for Patients With BIOTRONIK Implantable Cardiac Monitors (ICMs)RecruitingNCT040750849 countries
- POLish Registry of CArdioneuroablation and CArdioneuromodulationRecruitingNCT071963971 country
- Cardioneuroablation for Reflex Syncope and Exercise CapacityRecruitingNCT06440291Not applicable1 country
- Cardioneuroablation: Fragmented Atrial Potentials, Intracardiac Echocardiography and Computed TomographyRecruitingNCT06472102Not applicable1 country
- Implantable Loop Recorder and CardioneuroblationNot yet recruitingNCT071627401 country
- Genetic Markers of Cardiovascular Disease in EpilepsyRecruitingNCT028248221 country
- Canadian Prehospital Syncope Risk Score (Prehospital CSRS)Not yet recruitingNCT055601261 country
- AVEIR™ Leadless Pacemaker (LP) United Kingdom (UK) RegistryRecruitingNCT068544841 country
- National Registry of Cardioneuroablation in Recurrent Reflex SyncopeRecruitingNCT061597641 country
- Impact of Blood Phobia on Fainting SusceptibilityRecruitingNCT06336031Not applicable1 country
- Cardioneuroablation and Ventricular ProarrhythmiaRecruitingNCT06458140Not applicable1 country
- Efficacy of a Right-sided Ablation of the Anterior Ganglionated Plexus for Neurally Mediated SyncopeRecruitingNCT04755101Not applicable1 country
- SW-RCT Implementation of Canadian Syncope Risk Score Based Practice RecommendationsRecruitingNCT04972071Not applicable1 country
- Effectiveness of a Wearable Hydration DeviceNot yet recruitingNCT06788795Phase 2
- COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG WearableEnrolling by invitationNCT067635491 country
- Syncope Trial to Understand Tilt Testing or ECG Recording Tenth Prevention of Syncope TrialRecruitingNCT05776810Not applicable1 country
- Clinical Association Between Obstructive Sleep Apnea, Facial Pigmentation, and Vasovagal Symptoms.RecruitingNCT063318191 country
- High-Sensitivity Troponin T Plasma Levels in Patients With Aortic Stenosis (Tyrolean Aortic Stenosis Study-2)RecruitingNCT024484851 country
- Mechanism-based Therapy of Hypotensive SyncopeRecruitingNCT065136505 countries
- Acutelines: a Large Data-/Biobank of Acute and Emergency MedicineRecruitingNCT046150651 country
- Remote Symptom Review in Patients With Implantable Diagnostic HolterRecruitingNCT06431828Not applicable1 country
- A Proof of Principle Study of Ondansetron for the Prevention of Vasovagal Syncope: The Eleventh Prevention of Syncope Trial (POST11)RecruitingNCT05755737Phase 21 country
- Study of Ondansetron in the Prevention of Sleep Syncope: The Nineth Prevention of Syncope Trial (POST9)Not yet recruitingNCT05657925Phase 31 country
- Study of Atomoxetine in the Prevention of Vasovagal SyncopeRecruitingNCT05159687Phase 31 country
- The Z Stitch Early Bed Rest Assessment StudyRecruitingNCT06087497Not applicable1 country
- Syncope-Asystole Latency Time in Tilt Table Test: The SALT-TILT StudyRecruitingNCT063562071 country
- Treatment Strategy of Vasovagal SyncopeRecruitingNCT05803148Not applicable1 country
- Improving Management of Emergency Department Patients With Undifferentiated Syncope: Prospective Validation of the Canadian Syncope Risk ScoreEnrolling by invitationNCT055381431 country
- Cardioneuroablation for BradyarrhythmiaRecruitingNCT06288633Not applicable1 country
- Cardioinhibitory Reflex Syncope. Permanent Pacemaker Therapy or Cardioneuroablation?RecruitingNCT05855603Not applicable1 country
- Comparison of the Efficacy and Safety of Cardioneuroablation to Permanent Pacing in Patients With an Implanted Pacemaker for Symptomatic Bradycardia.RecruitingNCT05896592Not applicable1 country
- Essential Hypotension and Allostasis RegistryRecruitingNCT020184971 country
- Cardiac Autonomic Denervation for Cardio-inhibitory SyncopeNot yet recruitingNCT05572034Not applicable1 country
- Mobile Cardiac Outpatient Telemetry for Unexplained SyncopeNot yet recruitingNCT05957315Not applicable
- Global Approach to Faint and FallsRecruitingNCT057526821 country
- Cardioneuroablation in Reflex Syncope (CARDIOSYRE Trial)RecruitingNCT05513755Not applicable1 country
- Registry of Device ImplantationRecruitingNCT033602271 country
- Ambulatory Leadless Electrocardiogram Recorder Trial FeasibilityCompletedNCT058214651 country
- 7-Day MEMO Patch Monitoring for Arrhythmia Detection in Patients With PalpitationsCompletedNCT07728552Not applicable1 country
- A Warning Red Flag Classification System to Predict Risk of Vasovagal Event During Office HysteroscopyActive, not recruitingNCT070302181 country
- Quasi-Randomized Evaluation of the UCLA Next Day Clinic (NDC)CompletedNCT06526884Not applicable1 country
- Assert-IQ Implantable Cardiac Monitor (ICM) Post Market StudyCompletedNCT061726991 country