Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,281 questions · 1,307 findings · 212 reviews

No studies found 256 · 19.6%GRADE not reported 125 · 9.6%Very low 266 · 20.4%Low 403 · 30.8%Moderate 208 · 15.9%High 49 · 3.7%

Cannabidiol (10 mg/kg and 20 mg/kg) plus ASMs vs placebo plus ASMs

Number of participants with adverse events leading to study discontinuation · Lennox‐Gastaut syndrome, any age

Cannabidiol (10 mg/kg and 20 mg/kg) plus ASMs leads to higher number of participants with adverse events leading to study… compared with placebo plus ASMs (high certainty).

1 finding from 1 review

Cinromide plus ASMs vs placebo plus ASMs

Number of participants with ≥ 75% reduction in mean weekly seizures · Lennox‐Gastaut syndrome, any age

It is very uncertain whether cinromide plus ASMs changes number of participants with ≥ 75% reduction in mean weekly seizures compared with placebo plus ASMs (very low certainty).

1 finding from 1 review