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Efficacy of the Ketogenic Diet for Pediatric Epilepsy According to the Presence of Detectable Somatic mTOR Pathway Mutations in the Brain
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Efficacy of the Ketogenic Diet for Pediatric Epilepsy According to the Presence of Detectable Somatic mTOR Pathway Mutations in the Brain

논문 기본 정보

자료유형
학술저널
저자정보
고아라 (양산부산대학교병원) 심남석 (KAIST) 최한솜 (이화여자대학교병원 & 연세대학교병원 소아청소년과) 양동화 (국민건강보험공단) 김세희 (연세대학교) 이준수 (연세대학교) 김동석 (연세대학교) 이정호 (한국과학기술원) 김흥동 (연세대학교) 강훈철 (연세대학교)
저널정보
대한신경과학회 Journal of Clinical Neurology Journal of Clinical Neurology 제18권 제1호 KCI Accredited Journals
발행연도
2022.1
수록면
71 - 78 (8page)

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표지
Efficacy of the Ketogenic Diet for Pediatric Epilepsy According to the Presence of Detectable Somatic mTOR Pathway Mutations in the Brain
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Background and Purpose A multifactorial antiepileptic mechanism underlies the keto genic diet (KD), and one of the proposed mechanisms of action is that the KD inhibits the mammalian target of rapamycin (mTOR) pathway. To test this clinically, this study aimed to determine the efficacy of the KD in patients with pathologically confirmed focal cortical dys plasia (FCD) due to genetically identifiable mTOR pathway dysregulation. Methods A cohort of patients with pathologically confirmed FCD after epilepsy surgery and who were screened for the presence of germline and somatic mutations related to the mTOR pathway in peripheral blood and resected brain tissue was constructed prospectively. A retro spective review of the efficacy of the prior KD in these patients was performed. Results Twenty-five patients with pathologically confirmed FCD and who were screened for the presence of detectable somatic mTOR pathway mutations had received a sufficient KD. Twelve of these patients (48.0%) had germline or somatic detectable mTOR pathway mutations. A response was defined as a ≥50% reduction in seizure frequency. The efficacy of the KD after 3 months of dietary therapy was superior in patients with detectable mTOR pathway mutations than in patients without detectable mTOR pathway mutations, although the difference was not statistically significant (responder rates of 58.3% vs. 38.5%, p=0.434). Conclusions A greater proportion of patients with mTOR pathway responded to the KD, but there was no statistically significant difference in efficacy of the KD between patients with and without detectable mTOR pathway mutations. Further study is warranted due to the smallness of the sample and the limited number of mTOR pathway genes tested in this study.

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