- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02520856
New Diagnostic Strategy in Hypertrophic Cardiomyopathy (HYPERGEN)
New Diagnostic Strategy in Hypertrophic Cardiomyopathy Including a New Genetic Approach: A Multicentric Prospective Study
Hypertrophic cardiomyopathy (HCM) is an autosomal dominant disease characterized by unexplained hypertrophy of the left ventricle, often with predominant involvement of the interventricular septum, and characterized by myocyte disarray and fibrosis.
HCM is the most common familial heart disease with strong genetic heterogeneity, demonstrated over the past 20 years. Mutations in 11 or more genes encoding proteins of the cardiac sarcomere are responsible for (or associated with) HCM.
However, 30-40% of sporadic and familial cases of HCM are still genetically unlabelled. In addition, secondary HCM caused by Fabry's disease or amyloidosis, may mimic primary HCM and may be under diagnosed. This may result in a delay in accurate diagnosis and instauration of specific treatment, with possible clinical consequences for the patients.
For these reasons, we decided to apply a new diagnostic strategy for patients with newly diagnosed HCM, including the whole exome sequencing (WES) technology.
If correctly applied, this new technology has the potential to strongly reduce the diagnostic wavering leading to earlier diagnosis and genetic counseling in sarcomeric HCM and rarer forms of secondary HCM including Fabry's disease and amyloidosis, and also specific therapy set-up in secondary forms of HCM. It should also allow identifying new genes responsible for HCM.
Study Overview
Detailed Description
Background : Hypertrophic cardiomyopathy (HCM) is an autosomal dominant disease characterized by unexplained hypertrophy of the left ventricle, often with predominant involvement of the interventricular septum, and characterized by myocyte disarray and fibrosis.
HCM is the most common familial heart disease with strong genetic heterogeneity, demonstrated over the past 20 years. Mutations in 11 or more genes encoding proteins of the cardiac sarcomere are responsible for (or associated with) HCM.
However, 30-40% of sporadic and familial cases of HCM are still genetically unlabelled. In addition, secondary HCM caused by Fabry's disease or amyloidosis, may mimic primary HCM and may be under diagnosed. This may result in a delay in accurate diagnosis and instauration of specific treatment, with possible clinical consequences for the patients.
Objectives : For these reasons, we decided to apply a new diagnostic strategy for patients with newly diagnosed HCM, including the whole exome sequencing (WES) technology.
- Main objective: to evaluate the additional diagnostic value of the new proposed strategy for the identification of a specific cause of HCM as compared with conventional diagnostic strategy
- Secondary objectives:
To evaluate the frequency of secondary HCM (Fabry's disease, amyloidosis, mitochondrial cardiomyopathies, and others) observed by this systematic screening in a population of newly diagnosed HCM
Perspectives: If correctly applied, this new technology has the potential to strongly reduce the diagnostic wavering leading to earlier diagnosis and genetic counseling in sarcomeric HCM and rarer forms of secondary HCM including Fabry's disease and amyloidosis, and also specific therapy set-up in secondary forms of HCM. It should also allow identifying new genes responsible for HCM.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
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Marseille, France, 13005
- Recruiting
- Assistance Publique Hopitaux de Marseille
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Contact:
- Gilbert HABIB, Professor
- Email: gilbert.habib@ap-hm.fr
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
patients with unexplained Hypertrophic cardiomyopathy will be prospectively included.
HCM diagnosis will be based on conventional echocardiographic criteria and will be considered definite in the presence of LV hypertrophy without cavity dilatation and without other cardiac or systemic disease able to produce the magnitude of hypertrophy.
Description
Inclusion Criteria:
- patient with newly diagnosed hypertrophic cardiomyopathy (HCM), based on conventional echocardiographic criteria.The diagnosis of HCM will be considered definite in the presence of left ventricle hypertrophy without cavity dilatation and without other cardiac or systemic disease able to produce the magnitude of hypertrophy.
Exclusion Criteria:
- Associated cardiac or non cardiac disease known to cause left ventricle hypertrophy (uncontrolled systemic Hypertension, severe aortic stenosis)
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Hypertrophic cardiomyopathy
All patients with newly diagnosed unexplained HCM will be prospectively included. All patients will undergo both classical genetic analysis and WES technology. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
whole exome sequencing
Time Frame: 12 months
|
12 months
|
Classic genetic analysis
Time Frame: 12 months
|
12 months
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2014-29
- RCAPHM14_0358 (Registry Identifier: Assistance Publique Hôpitaux de Marseille)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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