Sudden Cardiac Death Clinical Trials

34 recruitingLast updated: June 18, 2026

There are 34 actively recruiting sudden cardiac death clinical trials across 36 countries. Studies span Not Applicable, Phase 4. Top locations include Paris, France, Brest, France, Bern, Switzerland. Updated daily from ClinicalTrials.gov.


Sudden Cardiac Death Trials at a Glance

34 actively recruiting trials for sudden cardiac death are listed on ClinicalTrialsFinder across 6 cities in 36 countries. The largest study group is Not Applicable with 10 trials, with the heaviest enrollment activity in Paris, Brest, and Bern. Lead sponsors running sudden cardiac death studies include Assistance Publique - Hôpitaux de Paris, Paris Sudden Death Expertise Center, and Tampere Heart Hospital.

Browse sudden cardiac death trials by phase

Treatments under study

About Sudden Cardiac Death Clinical Trials

Looking for clinical trials for Sudden Cardiac Death? There are currently 30 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Sudden Cardiac Death trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Sudden Cardiac Death clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 34 trials

Recruiting

Observational Study of Cardiac Arrhythmias During Treatment With BTK Inhibitors or Venetoclax

Mantle Cell LymphomaSudden Cardiac DeathChronic Lymphocytic Leukemia (CLL)+3 more
National Heart, Lung, and Blood Institute (NHLBI)135 enrolled1 locationNCT05724121
Recruiting
Not Applicable

Effects of Sedation, TEmperature and Pressure After Cardiac Arrest and REsuscitation on Major Adverse Kidney Events (STEPCARE-MAKE)

TemperatureBlood PressureCardiac Arrest (CA)+9 more
Helsinki University Central Hospital3,500 enrolled52 locationsNCT07579390
Recruiting

National Network for Cardiovascular Genomics: Advancing Cardiovascular Healthcare for Hereditary Diseases in Brazil's Unified Health System Through a Multicenter Registry

Sudden Cardiac DeathArrhythmogenic Right Ventricular DysplasiaCardiomyopathy, Dilated+11 more
Hospital do Coracao1,211 enrolled27 locationsNCT06546137
Recruiting

Mayo AVC Registry and Biobank

CardiomyopathiesCardiovascular DiseasesSarcoidosis+14 more
Mayo Clinic1,000 enrolled2 locationsNCT03049254
Recruiting
Not Applicable

Speed-up the Diagnosis and Evaluation of anoMalous Coronary ARTery From the Aorta

Myocardial IschemiaSudden Cardiac DeathAAOCA+7 more
IRCCS Policlinico S. Donato38 enrolled1 locationNCT06705751
Recruiting

Early Evaluation of Exosome Multiomics and Clinical Prognosis in Patients With Sudden Death

Sudden Cardiac DeathExosome MultiomicsClinical Prognosis
The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School300 enrolled1 locationNCT06856993
Recruiting
Not Applicable

Prevention Of Sudden Cardiac Death After Myocardial Infarction by Defibrillator Implantation

Myocardial InfarctionSudden Cardiac Death
Charite University, Berlin, Germany3,595 enrolled86 locationsNCT05665608
Recruiting

AI-powered ECG Analysis Using Willem™ Software in High-risk Cardiac Patients (WILLEM)

CardiomyopathiesSudden Cardiac DeathCardiac Arrest+1 more
Idoven 1903 S.L.5,342 enrolled14 locationsNCT05890716
Recruiting
Not Applicable

Cardioverter DefIbriIlator PlacEMent for priMary Prevention of Sudden cArdiac Death in Patients Older Than 70 Years

Heart FailurePrimary Prevention of Sudden Cardiac DeathImplantable Cardioverter Defibrillator
Assistance Publique - Hôpitaux de Paris730 enrolled19 locationsNCT05373940
Recruiting

Long Term Follow-up of Cardiac Arrest Survivors Exposed to Ultra-rapid Cooling

Cardiac Arrest (CA)Resuscitated Sudden Cardiac DeathPost Cardiac Arrest Patient Who Was Treated by Hypothermia Protocol
Assistance Publique - Hôpitaux de Paris12 enrolled2 locationsNCT07028372
Recruiting

Validation of Sudden Cardiac Arrest Risk Factors in Patients With CAD

Sudden Cardiac DeathCoronary Arterial Disease (CAD)Sudden Cardiac Arrest
Tampere Heart Hospital1,500 enrolled3 locationsNCT07444931
Recruiting
Not Applicable

Loop Recorder Implantation in Patients With Mitral Annular Disjunction

Arrhythmia, VentricularSudden Cardiac Death Due to Cardiac ArrhythmiaMitral Annular Disjunction+2 more
Gottsegen National Cardiovascular Institute20 enrolled1 locationNCT07436962
Recruiting

Measurement of Airway Opening Index During Out-of-hospital Cardiac Arrest: The Lazarus AOI Trial.

Out of Hospital Cardiac Arrest (OHCA)Cardiac Arrest (CA)Resuscitated Sudden Cardiac Death
University Hospital, Ghent150 enrolled1 locationNCT07438938
Recruiting
Not Applicable

Left Bundle Branch Pacing in Patients With Hypertrophic Cardiomyopathy After Myectomy

Sudden Cardiac DeathHeart Failure (HF)HCM - Hypertrophic Cardiomyopathy+2 more
Meshalkin Research Institute of Pathology of Circulation30 enrolled1 locationNCT07372196
Recruiting

Imaging Techniques for Identifying Factors of Sudden Cardiac Death Risk

Sudden Cardiac Death
Johns Hopkins University400 enrolled1 locationNCT00181233
Recruiting
Phase 4

Comparative Effectiveness of Carvedilol Versus Metoprolol Succinate in Heart Failure Patients With an Implantable Cardioverter Defibrillator

CardiomyopathySudden Cardiac DeathHeart Failure With Reduced Ejection Fraction (HFrEF)+3 more
University of Rochester2,000 enrolled13 locationsNCT06964464
Recruiting
Not Applicable

S-ICD Implantation: US Based Pilot Study

Sudden Cardiac Death
Universitätsklinikum Köln20 enrolled2 locationsNCT06771700
Recruiting
Phase 4

Implantable Cardioverter Defibrillator Versus Optimal Medical Therapy In Patients With Variant Angina Manifesting as Aborted Sudden Cardiac Death

Sudden Cardiac DeathAngina Pectoris, Variant
Kee-joon Choi140 enrolled25 locationsNCT02845531
Recruiting

Mechanisms And Prognosis of Stroke-Heart Syndrome

Heart FailureStrokeMyocardial Injury+5 more
Chensheng Pan658 enrolled1 locationNCT06954103
Recruiting
Not Applicable

Myocardialbridge Bypass Graft Surgery Efficacy Verification

Myocardial IschemiaMyocardial InfarctionSudden Cardiac Death+7 more
Xi'an International Medical Center Hospital500 enrolled1 locationNCT06857838