Levetiracetam vs placebo: Somnolence
Levetiracetam probably leads to higher adverse effects: 5 most common adverse effects (any age) – somnolence compared with placebo (moderate certainty).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Levetiracetam vs placebo Adverse effects: 5 most common adverse effects (any age) – somnolence · drug‐resistant focal epilepsy Levetiracetam probably leads to higher adverse effects: 5 most common adverse effects (any age) – somnolence compared with placebo (moderate certainty). Levetiracetam add‐on for drug‐resistant focal epilepsy (2020) · Cochrane Headline outcomes only | RR 1.62 [1.19, 2.2] | 13 studies · 2423 participants | Moderate |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Levetiracetam add‐on for drug‐resistant focal epilepsy 2020 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.