Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

190 questions in 24 reviews · Epilepsy

current versions
No studies 190 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Immunomodulatory interventions vs placebo
Seizure freedom · people with focal epilepsy
Immunomodulatory interventions for focal epilepsy (2023) · Cochrane
no estimate extractedNRNo studies
Immunomodulatory interventions vs placebo
Allergic reactions · people with focal epilepsy
Immunomodulatory interventions for focal epilepsy (2023) · Cochrane
no estimate extractedNRNo studies
Immunomodulatory interventions vs placebo
Cognitive effects · people with focal epilepsy
Immunomodulatory interventions for focal epilepsy (2023) · Cochrane
no estimate extractedNRNo studies
Immunomodulatory interventions vs placebo
Quality of life · people with focal epilepsy
Immunomodulatory interventions for focal epilepsy (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Primary outcomes · patients with stroke
Antiepileptic drugs for the primary and secondary prevention of seizures after stroke (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Secondary seizure prophylaxis after stroke · patients with stroke
Antiepileptic drugs for the primary and secondary prevention of seizures after stroke (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Secondary outcomes · patients with stroke
Antiepileptic drugs for the primary and secondary prevention of seizures after stroke (2022) · Cochrane
no estimate extractedNRNo studies
Add‐on stiripentol vs add‐on placebo
Quality of life · people with drug‐resistant focal epilepsy
Stiripentol add‐on therapy for drug‐resistant focal epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Comparison (reference treatment) · adults and children with focal seizures
Antiepileptic drug monotherapy for epilepsy: a network meta‐analysis of individual participant data (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Comparison (reference treatment) · adults and children with focal seizures
Antiepileptic drug monotherapy for epilepsy: a network meta‐analysis of individual participant data (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Comparison (reference treatment) · adults and children with generalised seizures*
Antiepileptic drug monotherapy for epilepsy: a network meta‐analysis of individual participant data (2022) · Cochrane
no estimate extractedNRNo studies
Clonazepam vs carbamazepine
Proportion of participants seizure‐free at 12 months after randomization ‐ not reported · people with newly diagnosed epilepsy
Clonazepam monotherapy for treating people with newly diagnosed epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Clonazepam vs ethosuximide
Proportion of participants with TEAEs leading to discontinuation during the treatment period · people with newly diagnosed epilepsy
Clonazepam monotherapy for treating people with newly diagnosed epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Clonazepam vs carbamazepine
Proportion of participants seizure‐free at 24 months after randomization ‐ not reported · people with newly diagnosed epilepsy
Clonazepam monotherapy for treating people with newly diagnosed epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Clonazepam vs carbamazepine
Proportion of responders (those with at least a 50% reduction in seizure frequency from baseline to end of treatment) · people with newly diagnosed epilepsy
Clonazepam monotherapy for treating people with newly diagnosed epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Clonazepam vs carbamazepine
Proportion of participants with treatment‐emergent adverse events (TEAEs) during the treatment period · people with newly diagnosed epilepsy
Clonazepam monotherapy for treating people with newly diagnosed epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Clonazepam vs ethosuximide
Proportion of participants seizure‐free at 12 months after randomization · people with newly diagnosed epilepsy
Clonazepam monotherapy for treating people with newly diagnosed epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Clonazepam vs ethosuximide
Proportion of participants seizure‐free at 24 months after randomization · people with newly diagnosed epilepsy
Clonazepam monotherapy for treating people with newly diagnosed epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Clonazepam vs ethosuximide
Proportion of responders (those with at least a 50% reduction in seizure frequency from baseline to end of treatment) · people with newly diagnosed epilepsy
Clonazepam monotherapy for treating people with newly diagnosed epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Clonazepam vs ethosuximide
Proportion of participants with treatment‐emergent adverse events (TEAEs) during the treatment period · people with newly diagnosed epilepsy
Clonazepam monotherapy for treating people with newly diagnosed epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Omega‐3 (with risperidone and previous ASM) vs risperidone and previous ASM only
ADHD symptoms · people with ADHD and epilepsy
Stimulant and non‐stimulant drug therapy for people with attention deficit hyperactivity disorder and epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Osmotic‐release oral system methylphenidate vs placebo
Proportion of people experiencing 50% or greater reduction in seizure frequency · people with ADHD and epilepsy
Stimulant and non‐stimulant drug therapy for people with attention deficit hyperactivity disorder and epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Omega‐3 (with risperidone and previous ASM) vs risperidone and previous ASM only
Seizure severity · people with ADHD and epilepsy
Stimulant and non‐stimulant drug therapy for people with attention deficit hyperactivity disorder and epilepsy (2022) · Cochrane
no estimate extractedNRNo studies
Intermittent oral levetiracetam vs placebo (any antipyretics)
Recurrent seizures at 18 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral levetiracetam vs placebo (any antipyretics)
Recurrent seizures at 24 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral levetiracetam vs placebo (any antipyretics)
Recurrent seizures at 36 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral levetiracetam vs placebo (any antipyretics)
Recurrent seizures at 48 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral levetiracetam vs placebo (any antipyretics)
Recurrent seizures at 60 months or greater · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous phenobarbital vs placebo or no treatment
Recurrent seizure at 36 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous phenobarbital vs placebo or no treatment
Recurrent seizure at 48 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent phenobarbital vs placebo or no treatment
Recurrent seizure at 18 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent phenobarbital vs placebo or no treatment
Recurrent seizure at 36 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent phenobarbital vs placebo or no treatment
Recurrent seizure at 48 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral phenytoin vs placebo
Recurrent seizure at 6 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral phenytoin vs placebo
Recurrent seizure at 18 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral phenytoin vs placebo
Recurrent seizure at 24 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral phenytoin vs placebo
Recurrent seizure at 36 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral phenytoin vs placebo
Recurrent seizure at 48 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral phenytoin vs placebo
Recurrent seizure at 60 months or greater · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral valproate vs placebo or no treatment
Recurrent seizure at 36 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral valproate vs placebo or no treatment
Recurrent seizure at 48 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral valproate vs placebo or no treatment
Recurrent seizure at 60 months or greater · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral pyridoxine vs placebo
Recurrent seizure at 18 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral pyridoxine vs placebo
Recurrent seizure at 24 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral pyridoxine vs placebo
Recurrent seizure at 36 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral pyridoxine vs placebo
Recurrent seizure at 48 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Continuous oral pyridoxine vs placebo
Recurrent seizure at 60 months or greater · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral ibuprofen vs placebo
Recurrent seizure at 18 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral ibuprofen vs placebo
Recurrent seizure at 36 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral ibuprofen vs placebo
Recurrent seizure at 48 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies