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Mos-FED (Mosaicism in Focal Epilepsy Cortical Dysplasia Tissue)
Sponsor: King's College Hospital NHS Trust
Summary
Focal cortical dysplasia (FCD) is a malformation of brain development, the most common cause of drug-resistant epilepsy and often caused by mutations in mammalian target of rapamycin (mTOR) pathway genes. Patients with FCD develop drug-resistant seizures. This study will look at FCD tissue removed during epilepsy surgery and aims to detect mutations in mTOR pathway genes in brain cells. Secondly, the investigators will establish if evidence of mutations found in brain cells can also be detected as circulating free DNA (cfDNA) in blood. By looking at which genes are made into proteins in individual cells found in epilepsy surgical tissue (single cell expression profiling),the investigators will attempt to identify new genetic targets in FCD. The main outcome will be finding new causes of epilepsy with FCD and the development of new diagnostic and screening tools.
Official title: Dissecting mTOR Pathway Mosaicism in FCDII-Harbouring Epileptic Brain and Peripheral Tissue.
Key Details
Gender
All
Age Range
Any - Any
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2023-04-09
Completion Date
2026-04-08
Last Updated
2024-10-23
Healthy Volunteers
No
Conditions
Interventions
Blood and nasal swab sampling
Genetic screening of DNA samples (blood, mucosal swab, brain tissue) from 60-100 patients with histologically confirmed diagnosis of FCDIIA/B identified from Epilepsy Surgery Databases.
Locations (1)
King's College Hospital
London, United Kingdom