Mayo AVC Registry and Biobank for Arrhythmogenic Ventricular Cardiomyopathy

This study, called the Mayo AVC Registry and Biobank, is looking to understand more about Arrhythmogenic Ventricular Cardiomyopathy (AVC), a genetic heart condition that can lead to heart failure and sudden cardiac arrest. Researchers want to collect information from up to 1000 people with a history of AVC or sudden cardiac death that might be due to AVC. This includes patients who survived a sudden cardiac arrest not caused by a heart attack, those who experienced sudden cardiac death, or those with suspected cardiomyopathy after events like seizures or syncope. Family members of people diagnosed with certain cardiomyopathies, including AVC, are also invited to participate. The goal is to connect genetic information (genotype) with how the disease shows up (phenotype) over 3 to 6 years to help improve diagnosis and screening.

Study design
This is an observational study, meaning researchers will collect information without providing any specific interventions. It aims to enroll up to 1000 participants.
What's involved
Not specified in the trial record.
Compensation
Not stated in the trial record.
Follow-up
Participants will be followed for genotyping at 3 years and for correlating genotype with phenotype at 3-6 years.

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NCT03049254

Mayo AVC Registry and Biobank

Recruiting
Not specifiedAll AgesObservational
Mayo Clinic
~1,000 participants
Updated 2026-04-27 on ClinicalTrials.gov

At a glance

Recruiting sites
2 of 2 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Genotyping
Measured over 3 years
+1 more outcome measured
Arrhythmogenic Right Ventricular Cardiomyopathy
Cardiomyopathies
Heart Diseases
Cardiovascular Diseases
Sudden Cardiac Arrest
Sudden Cardiac Death
Arrhythmogenic Right Ventricular Dysplasia
Arrhythmogenic Ventricular Cardiomyopathy
Familial Dilated Cardiomyopathy
Cardiovascular Abnormalities
Sarcoidosis
Cardiac Arrhythmia
Cardiac Sarcoidosis
Myocarditis
Inflammatory Cardiomyopathy
Ventricular Tachycardia
Right Ventricular Outflow Tract Ventricular Tachycardia
2 sites across 2 states
Minnesota1
Cambridge1
  • Virend Somers, PhD, MD · PRINCIPAL_INVESTIGATOR · Mayo Clinic

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Eligibility criteria

Inclusion

Patients with a diagnosis of a non-MI SCA who survived
Patients with a non-MI SCD
Patient with a SCA associated with seizures, epilepsy, syncope, drowning and near-drowning, where a cardiomyopathy is suspected
Family member of a patient diagnosed with primary cardiomyopathy (including HCM, idiopathic DCM, AVC)

Exclusion

Patients with a clear, unambiguous known cause of SCA or SCD such as myocardial infarction or heart failure secondary to ischemic heart disease
Significant coronary artery disease (Epicardial coronary artery stenosis \>50%) which can explain degree of LV dysfunction
Those unwilling to provide written consent or assent
  • Genotyping3 years

    Using family 'trios' discover novel pathogenic variants and characterize them

  • Correlate genotype with phenotype3-6 years

    Correlate genotype with phenotype in confirmed cases of AVC followed longitudinally as per 2010 Task Force Criteria