Genetic and Electrophysiologic Study in Focal Drug-resistant Epilepsies
NCT ID: NCT02890641
Last Updated: 2026-01-06
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
450 participants
OBSERVATIONAL
2015-12-17
2031-12-31
Brief Summary
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This study aims to identify brain somatic mutations in paired blood-brain samples and perform functional validation in children with drug-resistant focal epilepsy
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Detailed Description
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Conditions
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Study Design
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FAMILY_BASED
CROSS_SECTIONAL
Study Groups
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Children undergoing epilepsy surgery at the Rothschild Foundation, Paris.
Sequencing of paired blood-brain DNA samples
Sampling of blood, frozen resected tissues, and cerebrospinal fluid (CSF)
Sampling of blood, frozen resected tissue, and cerebrospinal fluid (CSF); sequencing of paired blood-brain DNA samples
Interventions
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Sampling of blood, frozen resected tissues, and cerebrospinal fluid (CSF)
Sampling of blood, frozen resected tissue, and cerebrospinal fluid (CSF); sequencing of paired blood-brain DNA samples
Eligibility Criteria
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Inclusion Criteria
* Their parents who have signed informed consent 1) for their child's participation (for parents) and 2) for themselves
* Social security coverage or foreign regime recognized in France
Exclusion Criteria
* contraindication to anaesthesia, to MRI or to surgery
* no medical insurance coverage
3 Months
25 Years
ALL
No
Sponsors
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Fondation Ophtalmologique Adolphe de Rothschild
NETWORK
Responsible Party
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Principal Investigators
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Mathilde CHIPAUX, MD
Role: PRINCIPAL_INVESTIGATOR
Fondation A de Rothschild
Stephanie Baulac, PhD
Role: STUDY_CHAIR
Institut du Cerveau et de la Moelle Epinière
Locations
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Fondation Ophtalmologique Adolphe de Rothschld
Paris, , France
Countries
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Central Contacts
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Facility Contacts
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References
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Baldassari S, Ribierre T, Marsan E, Adle-Biassette H, Ferrand-Sorbets S, Bulteau C, Dorison N, Fohlen M, Polivka M, Weckhuysen S, Dorfmuller G, Chipaux M, Baulac S. Dissecting the genetic basis of focal cortical dysplasia: a large cohort study. Acta Neuropathol. 2019 Dec;138(6):885-900. doi: 10.1007/s00401-019-02061-5. Epub 2019 Aug 23.
Bonduelle T, Hartlieb T, Baldassari S, Sim NS, Kim SH, Kang HC, Kobow K, Coras R, Chipaux M, Dorfmuller G, Adle-Biassette H, Aronica E, Lee JH, Blumcke I, Baulac S. Frequent SLC35A2 brain mosaicism in mild malformation of cortical development with oligodendroglial hyperplasia in epilepsy (MOGHE). Acta Neuropathol Commun. 2021 Jan 6;9(1):3. doi: 10.1186/s40478-020-01085-3.
Lee WS, Baldassari S, Chipaux M, Adle-Biassette H, Stephenson SEM, Maixner W, Harvey AS, Lockhart PJ, Baulac S, Leventer RJ. Gradient of brain mosaic RHEB variants causes a continuum of cortical dysplasia. Ann Clin Transl Neurol. 2021 Feb;8(2):485-490. doi: 10.1002/acn3.51286. Epub 2021 Jan 12.
Kim S, Baldassari S, Sim NS, Chipaux M, Dorfmuller G, Kim DS, Chang WS, Taly V, Lee JH, Baulac S. Detection of Brain Somatic Mutations in Cerebrospinal Fluid from Refractory Epilepsy Patients. Ann Neurol. 2021 Jun;89(6):1248-1252. doi: 10.1002/ana.26080. Epub 2021 Apr 20.
Barba C, Blumcke I, Winawer MR, Hartlieb T, Kang HC, Grisotto L, Chipaux M, Bien CG, Hermanovska B, Porter BE, Lidov HGW, Cetica V, Woermann FG, Lopez-Rivera JA, Canoll PD, Mader I, D'Incerti L, Baldassari S, Yang E, Gaballa A, Vogel H, Straka B, Macconi L, Polster T, Grant GA, Krskova L, Shin HJ, Ko A, Crino PB, Krsek P, Lee JH, Lal D, Baulac S, Poduri A, Guerrini R; SLC35A2 Study Group. Clinical Features, Neuropathology, and Surgical Outcome in Patients With Refractory Epilepsy and Brain Somatic Variants in the SLC35A2 Gene. Neurology. 2023 Jan 31;100(5):e528-e542. doi: 10.1212/WNL.0000000000201471. Epub 2022 Oct 28.
Checri R, Chipaux M, Ferrand-Sorbets S, Raffo E, Bulteau C, Rosenberg SD, Doladilhe M, Dorfmuller G, Adle-Biassette H, Baldassari S, Baulac S. Detection of brain somatic mutations in focal cortical dysplasia during epilepsy presurgical workup. Brain Commun. 2023 Jun 1;5(3):fcad174. doi: 10.1093/braincomms/fcad174. eCollection 2023.
Ribierre T, Bacq A, Donneger F, Doladilhe M, Maletic M, Roussel D, Le Roux I, Chassoux F, Devaux B, Adle-Biassette H, Ferrand-Sorbets S, Dorfmuller G, Chipaux M, Baldassari S, Poncer JC, Baulac S. Targeting pathological cells with senolytic drugs reduces seizures in neurodevelopmental mTOR-related epilepsy. Nat Neurosci. 2024 Jun;27(6):1125-1136. doi: 10.1038/s41593-024-01634-2. Epub 2024 May 6.
Sanders MWCB, Koeleman BPC, Brilstra EH, Jansen FE, Baldassari S, Chipaux M, Sim NS, Ko A, Kang HC, Blumcke I, Lal D, Baulac S, Lee JH, Aronica E, Braun KPJ. Somatic variant analysis of resected brain tissue in epilepsy surgery patients. Epilepsia. 2024 Dec;65(12):e209-e215. doi: 10.1111/epi.18148. Epub 2024 Oct 26.
Baldassari S, Klingler E, Teijeiro LG, Doladilhe M, Raoux C, Roig-Puiggros S, Bizzotto S, Couturier J, Gilbert A, Sami L, Ribierre T, Aronica E, Adle-Biassette H, Chipaux M, Jabaudon D, Baulac S. Single-cell genotyping and transcriptomic profiling of mosaic focal cortical dysplasia. Nat Neurosci. 2025 May;28(5):964-972. doi: 10.1038/s41593-025-01936-z. Epub 2025 Apr 30.
Related Links
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Related Info
Other Identifiers
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GDR_2015_15
Identifier Type: -
Identifier Source: org_study_id
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