Clinical Research Directory

Phenotypic and Molecular Characterisation of Cerebral Amyloid Angiopathy

Sponsor: University Hospital, Rouen

Summary

Cerebral Aβ amyloid angiopathy is a severe disease characterised by amyloid deposits in the cerebral vessels, manifested mainly by recurrent cerebral haematomas and cognitive impairment. Diagnostic criteria are based on brain imaging, but the usefulness of this imaging in predicting the course of the disease remains undetermined. The genetic component is largely understudied. Less than 5% of patients carry mutations or duplications of the APP gene. Susceptibility factors such as APOE genotypes and rare variants recently discovered in Alzheimer's disease within the SORL1, TREM2 or ABCA7, ABCA1 and ATP8B4 genes could play a role in the pathophysiology of cerebral amyloid angiopathy. There is currently no specific treatment available. Based on a national recruitment of patients with cerebral amyloid angiopathy, this project aims to assess the role of genetic variants in the diagnosis and progression of cerebral amyloid angiopathy. A better understanding of the mechanisms, particularly genetic, could help us to develop treatments in the era of gene therapy.

Official title: Phenotypic and Molecular Characterisation of Early-onset Cerebral Amyloid Angiopathy

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