Randomized trial · 2017

Trial of Cannabidiol for Drug-Resistant Seizures in the Dravet Syndrome.

Devinsky O, Cross JH, Laux L, Marsh E, Miller I, Nabbout R, Scheffer IE, Thiele EA, Wright S, Cannabidiol in Dravet Syndrome Study Group.

Study design
Randomized trial
Population / model
Human
Published
2017-05-01
Journal
The New England journal of medicine
Sample mentioned
120 children — Number stated in the abstract; not independently verified.

Reviewed study note

What this study reported

The tested formulation reduced convulsive-seizure frequency relative to placebo; adverse events were more frequent.

Population
120 children and young adults with Dravet syndrome and drug-resistant seizures.
Studied preparation
Purified CBD oral solution added to existing antiseizure treatment.
Interpretation limit
A specific severe epilepsy population and prescription-style formulation; findings do not establish benefits or safety of retail CBD oils.
Original reviewed note →

From the author abstract

“The median frequency of convulsive seizures per month decreased from 12.4 to 5.9 with cannabidiol, as compared with a decrease from 14.9 …”

A short attributed excerpt. Read the full abstract and original paper for methods, results and limitations.

Outcome summaries · provisional

Selected source sets; evidence confidence remains ungraded.

CBD and convulsive seizures in Dravet syndrome →

Citation and indexing details

PMID 28538134

Publication types: Journal Article; Multicenter Study; Randomized Controlled Trial

Topic tags: Epilepsy

Metadata checked 2026-11-04. Study design and model tags follow indexing and explicit abstract terms. Citation counts are not evidence of benefit. An available full text does not by itself permit image reuse.