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TrialConditionsStatusPhaseUpdatedMore infoNCT ID
Parasternal Extravascular ICD System Pivotal Clinical Investigation (ALARION EV) StudyArrhythmias, Cardiac, Cardiac Conduction System Disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiovascular disorder, heart disorder, ventricular fibrillation, ventricular tachycardiaRecruitingNot applicable2026-10-09NCT07324031
Epinephrine Dose: Optimal Versus Standard Evaluation TrialArrhythmias, Cardiac, Death, Death, Sudden, Death, Sudden, Cardiac, Out-of-Hospital Cardiac Arrest, Pathologic Processes, Pathological Conditions, Signs and Symptoms, cardiac arrest, cardiovascular disorder, heart disorder, sudden cardiac arrest, ventricular fibrillationRecruitingPhase 42026-10-02NCT03826524
Percutaneous Stellate Ganglion Block as First Line Treatment in Patients With Electrical Storm: the STAR 2 StudyArrhythmias, Cardiac, Cardiac Conduction System Disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiovascular disorder, heart disorder, ventricular fibrillation, ventricular tachycardiaNot yet recruitingPhase 32026-09-29NCT07841080
Analysis of Life-threatening ARrhythMias After Acute Coronary SyndromeAngina Pectoris, Arrhythmias, Cardiac, Cardiac Conduction System Disease, Chest Pain, Infarction, Necrosis, Neurologic Manifestations, Non-ST Elevated Myocardial Infarction, Pain, Pathologic Processes, Pathological Conditions, Signs and Symptoms, ST-elevation myocardial infarction, Signs and Symptoms, Tachycardia, acute coronary syndrome, cardiac arrest, cardiovascular disorder, heart disorder, intermediate coronary syndrome, ischemic disease, myocardial infarction, myocardial ischemia, vascular disorder, ventricular fibrillation, ventricular tachycardiaRecruitingNot stated2026-09-17NCT07824050
Prehospital Resuscitation Intranasal Cooling Effectiveness Survival Study 2Arrhythmias, Cardiac, Body Temperature Changes, Hypothermia, Out-of-Hospital Cardiac Arrest, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Signs and Symptoms, cardiac arrest, cardiovascular disorder, heart disorder, ventricular fibrillationRecruitingNot applicable2026-09-16NCT06025123
Biospecimen Repository for Cardiac Arrhythmias at the Cleveland ClinicArrhythmia, Sinus, Arrhythmias, Cardiac, Atrial Premature Complexes, Cardiac Complexes, Premature, Cardiac Conduction System Disease, Consciousness Disorders, Death, Neurobehavioral Manifestations, Neurologic Manifestations, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Signs and Symptoms, Syncope, Tachycardia, Tachycardia, Supraventricular, Unconsciousness, Ventricular Premature Complexes, atrial fibrillation, atrioventricular dissociation, autonomic nervous system disorder, cardiovascular disorder, heart disorder, nervous system disorder, orthostatic intolerance, primary dysautonomia, sick sinus syndrome, ventricular fibrillation, ventricular tachycardiaRecruitingNot stated2026-09-14NCT00921986
Emergency Resuscitative Endovascular Balloon Occlusion of the Aorta in Out of Hospital Cardiac ArrestArrhythmias, Cardiac, Out-of-Hospital Cardiac Arrest, Pathologic Processes, Pathological Conditions, Signs and Symptoms, cardiac arrest, cardiovascular disorder, heart disorder, ventricular fibrillationActive, not recruitingNot applicable2026-09-10NCT06071910
Circulating RNA Markers of Ventricular Arrhythmias in Remotely Monitored Patients With Post-Infarction Heart Failure and Implanted Cardioverter-DefibrillatorsArrhythmias, Cardiac, Cardiac Conduction System Disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiovascular disorder, heart disorder, ventricular fibrillation, ventricular tachycardiaActive, not recruitingNot stated2026-08-31NCT07795892
Predict Arrhythmia Risk Using Intelligent SoftwareArrhythmias, Cardiac, Cardiac Conduction System Disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiovascular disorder, heart disorder, ventricular fibrillation, ventricular tachycardiaRecruitingNot stated2026-08-28NCT07792694
Cor360: Clinician-Facing Broad-Spectrum Cardiac Phenotyping and Risk Assessment Using COR® Wearable ECG to Inform Outcomes-Oriented Care PathwaysApnea, Arrhythmias, Cardiac, Cardiac Conduction System Disease, Consciousness Disorders, Death, Death, Sudden, Death, Sudden, Cardiac, Dyssomnias, Edema, Neurobehavioral Manifestations, Neurologic Manifestations, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Sleep Disorders, Intrinsic, Syncope, Unconsciousness, autonomic nervous system disorder, brain disorder, cardiac arrest, cardiovascular disorder, central nervous system disorder, epilepsy, heart disorder, heart failure, myocardial ischemia, nervous system disorder, obstructive sleep apnea syndrome, primary dysautonomia, respiratory system disorder, sleep apnea syndrome, sleep-wake disorder, sudden cardiac arrest, vascular disorder, ventricular fibrillationEnrolling by invitationNot stated2026-08-21NCT07775976
Longitudinal Validation of CIRC TechnologiesArrhythmias, Cardiac, Cardiovascular Abnormalities, Congenital Abnormalities, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Pathologic Processes, Pathological Conditions, Signs and Symptoms, aortic disorder, atrial fibrillation, cardiovascular disorder, congenital heart disease, heart disorder, heart failure, heart valve disorder, myocardial ischemia, vascular disorder, ventricular fibrillationRecruitingNot stated2026-07-31NCT07081711
Initial Double Sequential External Defibrillation in Out of Hospital Cardiac ArrestArrhythmias, Cardiac, Out-of-Hospital Cardiac Arrest, Pathologic Processes, Pathological Conditions, Signs and Symptoms, cardiac arrest, cardiovascular disorder, heart disorder, ventricular fibrillationRecruitingNot applicable2026-07-21NCT06672159
Treatment Registry of Arrhythmias, Complications and Electrocardiograms in Arrhythmogenic CardioMyopathiesArrhythmias, Cardiac, Cardiac Conduction System Disease, Cardiovascular Abnormalities, Congenital Abnormalities, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, arrhythmogenic right ventricular cardiomyopathy, cardiac arrest, cardiomyopathy, cardiovascular disorder, congenital heart disease, heart disorder, impulse control disorder, ventricular fibrillation, ventricular tachycardiaNot yet recruitingNot stated2026-07-07NCT07688200
Study Evaluating Dexmedetomidine in the Acute Treatment of Electrical StormArrhythmias, Cardiac, Cardiac Conduction System Disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiovascular disorder, heart disorder, ventricular fibrillation, ventricular tachycardiaRecruitingPhase 32026-07-07NCT06281977
Ventricular Arrhythmias in Acute Myocardial InfarctionArrhythmias, Cardiac, Cardiac Conduction System Disease, Infarction, Necrosis, Pathologic Processes, Pathological Conditions, Signs and Symptoms, ST-elevation myocardial infarction, Tachycardia, cardiac arrest, cardiovascular disorder, heart disorder, ischemic disease, myocardial infarction, myocardial ischemia, vascular disorder, ventricular fibrillation, ventricular tachycardiaRecruitingNot stated2026-05-28NCT07517523
Assessment of Combined CCM and ICD Device in HFrEFArrhythmias, Cardiac, Cardiac Conduction System Disease, Death, Death, Sudden, Death, Sudden, Cardiac, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiac arrest, cardiovascular disorder, heart disorder, heart failure, sudden cardiac arrest, ventricular fibrillation, ventricular tachycardiaActive, not recruitingNot applicable2026-05-27NCT05855135
Evolution of Intracardiac Electrograms Recorded by Left Bundle Branch Pacing Lead in Patients With ICD or CRT-DArrhythmias, Cardiac, Cardiac Conduction System Disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiovascular disorder, heart disorder, ventricular fibrillation, ventricular tachycardiaRecruitingNot stated2026-05-08NCT06745778
Development of CIRC TechnologiesArrhythmias, Cardiac, Cardiovascular Abnormalities, Congenital Abnormalities, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Pathologic Processes, Pathological Conditions, Signs and Symptoms, aortic disorder, atrial fibrillation, cardiovascular disorder, congenital heart disease, heart disorder, heart failure, heart valve disorder, myocardial ischemia, vascular disorder, ventricular fibrillationRecruitingNot stated2026-05-08NCT05654272
Abdominal Aortic Tourniquet Application for Non-Traumatic Out-of-Hospital Cardiac ArrestArrhythmias, Cardiac, Out-of-Hospital Cardiac Arrest, Pathologic Processes, Pathological Conditions, Signs and Symptoms, cardiac arrest, cardiovascular disorder, heart disorder, ventricular fibrillationNot yet recruitingNot applicable2026-05-07NCT07573566
Using Mirabegron to Control Arrhythmia-1Arrhythmias, Cardiac, Cardiac Conduction System Disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiac arrest, cardiovascular disorder, heart disorder, ventricular fibrillation, ventricular tachycardiaNot yet recruitingPhase 22026-05-06NCT07566208
To Evaluate the Delivery Timing Safety and Efficacy of AntiTachycardia Pacing (BIO|ATP)Arrhythmias, Cardiac, Cardiac Conduction System Disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Shock, Tachycardia, cardiovascular disorder, heart disorder, ventricular fibrillation, ventricular tachycardiaActive, not recruitingNot applicable2026-04-27NCT05426785
Arrhythmic Risk in Myocarditis Outcome ResearchArrhythmias, Cardiac, Cardiac Conduction System Disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiovascular disorder, heart disorder, ventricular fibrillation, ventricular tachycardiaNot yet recruitingNot stated2026-03-30NCT07501481
AI-guided Prediction and Treatment of Cardiac ArrestArrhythmias, Cardiac, Cardiac Conduction System Disease, Death, Death, Sudden, Death, Sudden, Cardiac, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tachycardia, cardiac arrest, cardiovascular disorder, heart disorder, sudden cardiac arrest, ventricular fibrillation, ventricular tachycardiaNot yet recruitingNot applicable2026-03-16NCT07452016
Prediction of ARrhythmic Events With Positron Emission Tomography IIArrhythmias, Cardiac, Death, Death, Sudden, Death, Sudden, Cardiac, Pathologic Processes, Pathological Conditions, Signs and Symptoms, cardiac arrest, cardiovascular disorder, congestive heart failure, heart disorder, heart failure, sudden cardiac arrest, ventricular fibrillationActive, not recruitingNot stated2026-03-06NCT03493516
Early Double Sequential Defibrillation in Out of Hospital Cardiac ArrestArrhythmias, Cardiac, Death, Death, Sudden, Out-of-Hospital Cardiac Arrest, Pathologic Processes, Pathological Conditions, Signs and Symptoms, acrocallosal syndrome, cardiac arrest, cardiovascular disorder, heart disorder, ventricular fibrillationRecruitingPhase 2 / Phase 32026-02-17NCT07174986