Samanta · Pediatric neurology 2019 · narrative review · n=?

Cannabidiol: A Review of Clinical Efficacy and Safety in Epilepsy.

Cited 88 times in the scientific literature.

Level 5 - mechanism / opinion, no new human data

Narrative review of clinical efficacy, safety, and regulatory considerations without systematic methodology

PubMed 31053391 · doi:10.1016/j.pediatrneurol.2019.03.014 · record verified 2026-08-26

What was done

This narrative review examined the clinical efficacy, safety profile, pharmacology, and regulatory status of cannabidiol (CBD) for drug-resistant epilepsy, specifically addressing pediatric catastrophic epilepsies.

What was found

The abstract reports no numerical data, effect sizes, or study counts. It notes that CBD shows greater antiepileptic potential than tetrahydrocannabinol and acts via mechanisms that remain incompletely understood. Pharmaceutical-grade CBD oil is FDA-approved (Schedule V) for Dravet syndrome and Lennox-Gastaut syndrome. Major clinical risks identified include broad drug-drug interactions through CYP3A4 and CYP2C19 modulation and elevated liver enzymes, especially when co-administered with valproate.

Why it matters

It emphasizes that while pharmaceutical CBD is a recognized therapy for specific severe epilepsies, its use requires strict medical oversight to navigate hepatic safety, substantial drug-drug interactions, and risks associated with unregulated products.

Limits

The abstract contains no primary quantitative data, sample sizes, or systematic search criteria. As a narrative review, it provides a descriptive overview rather than a meta-analytic or controlled assessment.

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