Biomarkers in SCOTland CardiomyopatHy Registry (Bio-SCOTCH)
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About
Genetic cardiomyopathy is increasingly recognised and can lead to heart failure, arrhythmia and sudden cardiac death. Some gene positive patients have rapidly progressive disease with high rates of heart failure and cardiac transplantation, while others present with SCD. Other gene positive patients will never develop cardiomyopathy. At present, we cannot distinguish between these groups and rely on expensive and labour-intensive surveillance by electrocardiography, echocardiography and sometimes cardiac magnetic resonance imaging.
This study will investigate existing and novel biomarkers (including blood, urine electrocardiographic and imaging) at various stages of disease in patients with a personal or family history of TTN, MYBPC3, LMNA, FLNC or DSP gene variant, which are known to cause cardiomyopathy.
Full description
There is a growing appreciation for the role that genetics play in the development of cardiomyopathy, which can lead to heart failure, arrhythmia and sudden cardiac death.
Increased use of genetic testing has identified numerous gene variants, which cause cardiomyopathy with dilated, hypertrophic, restrictive, non-dilated left ventricular and arrhythmogenic right ventricular phenotypes described.
Some gene variants cause a rapidly progressive cardiomyopathy with high rates of heart failure and cardiac transplantation, while others present with SCD, meaning that genotype-specific risk stratification and clinical surveillance is urgently needed. Some gene-positive individuals will never develop cardiomyopathy due to variable penetrance. At present, we cannot distinguish between these patients and therefore rely on expensive and labour-intensive surveillance by electrocardiography, echocardiography and sometimes cardiac magnetic resonance imaging. For every gene-positive affected individual with cardiomyopathy, cascade genetic testing will identify other gene-positive family members who are often asymptomatic and may not yet be affected.
A blood or urine-based biomarker that identifies pre-clinical disease or cardiomyopathy would allow for more efficient monitoring of gene positive people and could replace multiple, repeated electrocardiograms, echocardiograms and cardiac magnetic resonance imaging scans. A biomarker that accurately identifies pre-clinical cardiomyopathy could enable targeted early treatment. A biomarker that predicts future disease progression would be of high clinical value.
Enrollment
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Inclusion criteria
- Male or female ≥10 years of age
- Written informed consent / assent
- Pathogenic or likely pathogenic variant in a cardiomyopathy gene (TTN, LMNA, MYBPC3, DSP, FLNC) or undergoing predictive genetic testing (if negative these people would be invited to enter the control arm)
Exclusion criteria
- Unable to consent.
- Geographical / social reasons preventing attending study centre
- Unable to complete study assessments.
- Severe non-cardiac disease expected to reduce life expectancy < 5 years
- Current participation in a blinded drug interventional trial (or treatment within 4 weeks)
Trial design
750 participants in 2 patient groups
Trial contacts and locations
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Central trial contact
Caroline J Coats, MBBS, PhD; Rachel C Myles, MBBS, PhD
Data sourced from clinicaltrials.gov
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