Optimizing phenytoin therapy: a systematic review of clinically relevant food an...

연구 요약

Optimizing phenytoin therapy: a systematic review of clinically relevant food and herb interactions.

Frontiers in pharmacology 학술지에 발표된 이 연구는 Orellana-Paucar AM, Mosquera-Lopez ET, Bustamante-Alvarez NM 외 연구팀이 수행하였습니다.

이 연구는 'Optimizing phenytoin therapy: a systematic review of clinically relevant food and herb interactions.'에 대한 과학적 분석을 제공합니다.

핵심 내용

INTRODUCTION: Phenytoin, a widely prescribed anticonvulsant, presents clinical challenges due to its narrow therapeutic index and potential interactions with various foods, herbs, and medications. These interactions can lead to adverse effects or subtherapeutic responses, necessitating a thorough understanding by healthcare professionals to optimize patient care. METHODS: This systematic review investigates clinically significant interactions between phenytoin and dietary components. A comprehensive search across PubMed, Scopus, and the Health Virtual Library identified relevant studies published from January 1960 to December 2024. Data extraction utilized standardized forms, and evidence certainty was evaluated using the GRADE criteria. RESULTS: Twelve of the 826 initially identified articles met the inclusion criteria. Findings revealed diverse interactions: three articles reported no interaction, five indicated enhanced drug absorption, and one noted improved drug effectiveness. Conversely, three studies documented reduced efficacy due to interactions with specific foods or herbs. DISCUSSION: The review suggests that co-administration of phenytoin with folic acid may prevent deficiency without affecting plasma concentrations or drug efficacy. Concurrent use of phenytoin and piperine should be monitored due to potential absorption and increases in plasma levels. Additionally, it is suggested that the combination of noni and phenytoin be avoided, as it may reduce phenytoin concentrations to subtherapeutic levels. While these findings are based on studies of moderate evidence quality, further controlled clinical trials are necessary to refine pharmacological recommendations. SYSTEMATIC REVIEW REGISTRATION: CRD42018117308.

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