Question · asked by 1 review

Lamotrigine vs phenobarbital: 50% or greater reduction in seizure frequency

Population
patients with AD and epileptic seizures
Intervention
Lamotrigine
Comparison
phenobarbital
Outcome
50% or greater reduction in seizure frequency

It is very uncertain whether lamotrigine changes reduction in seizure frequency of 50% or more compared with phenobarbital (very low certainty).

What each review found

Current versions only
No studies found 0 · 0%GRADE not reported 0 · 0%Very low 3 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%
FindingEffectStudiesGRADE certainty
Lamotrigine vs phenobarbital
Reduction in seizure frequency of 50% or more · patients with AD and epileptic seizures
It is very uncertain whether lamotrigine changes reduction in seizure frequency of 50% or more compared with phenobarbital (very low certainty).
Treatment of epilepsy for people with Alzheimer's disease (2021) · Cochrane Headline outcomes only
RR 0.91 [0.6, 1.38]1 study · 57 participantsVery low
Lamotrigine vs phenobarbital
Reduction in seizure frequency of 50% or more · patients with AD and epileptic seizures
It is very uncertain whether lamotrigine changes reduction in seizure frequency of 50% or more compared with phenobarbital (very low certainty).
Treatment of epilepsy for people with Alzheimer's disease (2018) · Cochrane Headline outcomes onlyearlier version CD011922.PUB3, superseded
RR 0.91 [0.6, 1.38]1 study · 57 participantsVery low
Lamotrigine vs phenobarbital
Reduction in seizure frequency of 50% or more · patients with AD and epileptic seizures
It is very uncertain whether lamotrigine changes reduction in seizure frequency of 50% or more compared with phenobarbital (very low certainty).
Treatment of epilepsy for people with Alzheimer's disease (2016) · Cochrane Headline outcomes onlyearlier version CD011922.PUB2, superseded
RR 0.91 [0.6, 1.38]1 study · 57 participantsVery low

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Treatment of epilepsy for people with Alzheimer's disease
2021 · Cochrane Headline outcomes only
Not reportedNot extractedNot assessed

The same intervention and outcome, asked in another population or against another comparator.

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.