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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)

970 questions in 77 reviews · Epilepsy

current versions
No studies 190 · 19.6%Ungraded 42 · 4.3%Very low 135 · 13.9%Low 289 · 29.8%Moderate 242 · 24.9%High 72 · 7.4%

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
Any dose of lacosamide vs placebo
50% or greater reduction in seizure frequency · adults and children with drug‐resistant focal epilepsy
Lacosamide add‐on therapy for focal epilepsy (2021) · Cochrane
RR 1.79 [1.55, 2.08]5 studies · 2199 participantsHigh
Any dose of lacosamide vs placebo
Seizure freedom · adults and children with drug‐resistant focal epilepsy
Lacosamide add‐on therapy for focal epilepsy (2021) · Cochrane
RR 2.27 [1.35, 3.83]5 studies · 2199 participantsLow
Any dose of lacosamide vs placebo
Treatment withdrawal · adults and children with drug‐resistant focal epilepsy
Lacosamide add‐on therapy for focal epilepsy (2021) · Cochrane
RR 1.57 [1.24, 1.98]5 studies · 2199 participantsModerate
Any dose of lacosamide vs placebo
Dizziness · adults and children with drug‐resistant focal epilepsy
Lacosamide add‐on therapy for focal epilepsy (2021) · Cochrane
RR 2.965 studies · 2199 participantsHigh
Any dose of lacosamide vs placebo
Headache · adults and children with drug‐resistant focal epilepsy
Lacosamide add‐on therapy for focal epilepsy (2021) · Cochrane
RR 1.345 studies · 2199 participantsModerate
Any dose of lacosamide vs placebo
Vomiting · adults and children with drug‐resistant focal epilepsy
Lacosamide add‐on therapy for focal epilepsy (2021) · Cochrane
RR 2.945 studies · 2199 participantsModerate
Any dose of lacosamide vs placebo
Serious adverse events · adults and children with drug‐resistant focal epilepsy
Lacosamide add‐on therapy for focal epilepsy (2021) · Cochrane
RR 1.535 studies · 2199 participantsModerate
Intervention NR
≥ 50% reduction in seizure frequency (adults) · people with drug‐resistant focal epilepsy
Eslicarbazepine acetate add‐on therapy for drug‐resistant focal epilepsy (2021) · Cochrane
RR 1.71 [1.42, 2.05]5 studies · 1799 participantsModerate
Intervention NR
≥ 50% reduction in seizure frequency (children aged 6–18 years) · people with drug‐resistant focal epilepsy
Eslicarbazepine acetate add‐on therapy for drug‐resistant focal epilepsy (2021) · Cochrane
RR 1.35 [0.98, 1.87]2 studies · 322 participantsModerate
Intervention NR
Freedom from seizures · people with drug‐resistant focal epilepsy
Eslicarbazepine acetate add‐on therapy for drug‐resistant focal epilepsy (2021) · Cochrane
RR 3.16 [1.73, 5.78]6 studies · 1922 participantsModerate
Intervention NR
Treatment withdrawal (any reason) · people with drug‐resistant focal epilepsy
Eslicarbazepine acetate add‐on therapy for drug‐resistant focal epilepsy (2021) · Cochrane
RR 1.25 [0.93, 1.7]7 studies · 2185 participantsModerate
Intervention NR
Treatment withdrawal (adverse effect) · people with drug‐resistant focal epilepsy
Eslicarbazepine acetate add‐on therapy for drug‐resistant focal epilepsy (2021) · Cochrane
RR 2.72 [1.66, 4.46]7 studies · 2185 participantsModerate
Intervention NR
Adverse effects · people with drug‐resistant focal epilepsy
Eslicarbazepine acetate add‐on therapy for drug‐resistant focal epilepsy (2021) · Cochrane
no estimate extractedNRModerate
Short‐duration antiepileptic drug treatment vs long‐duration antiepileptic drug treatment
Seizure control(seizure recurrence) · people with neurocysticercosis
Antiepileptic drugs for seizure control in people with neurocysticercosis (2021) · Cochrane
OR 1.34 [0.73, 2.47]3 studies · 360 participantsLow
Six‐ to 12‐month antiepileptic drug treatment vs 24‐month antiepileptic drug treatment
Seizure control (seizure recurrence) · people with neurocysticercosis
Antiepileptic drugs for seizure control in people with neurocysticercosis (2021) · Cochrane
OR 1.36 [0.72, 2.57]3 studies · 385 participantsVery low
Topiramate vs placebo
Proportion of responders (at least 50% seizure frequency reduction in PGTCS) · people with juvenile myoclonic epilepsy
Topiramate for juvenile myoclonic epilepsy (2021) · Cochrane
RR 4 [1.08, 14.75]1 study · 22 participantsVery low
Topiramate vs placebo
Proportion of participants who experienced at least one AE and individual AEs · people with juvenile myoclonic epilepsy
Topiramate for juvenile myoclonic epilepsy (2021) · Cochrane
no estimate extracted1 study · 22 participantsVery low
Topiramate vs placebo
Number of participants who were seizure‐free · people with juvenile myoclonic epilepsy
Topiramate for juvenile myoclonic epilepsy (2021) · Cochrane
no estimate extractedNRNo studies
Topiramate vs valproate
Proportion of responders (at least 50% seizure frequency reduction in myoclonic seizures) · people with juvenile myoclonic epilepsy
Topiramate for juvenile myoclonic epilepsy (2021) · Cochrane
RR 0.88 [0.67, 1.15]1 study · 23 participantsVery low
Topiramate vs valproate
Proportion of responders (at least 50% seizure frequency reduction in PGTCS) · people with juvenile myoclonic epilepsy
Topiramate for juvenile myoclonic epilepsy (2021) · Cochrane
RR 1.22 [0.68, 2.21]1 study · 16 participantsVery low
Topiramate vs valproate
Proportion of participants who experienced at least one AE and individual AEs · people with juvenile myoclonic epilepsy
Topiramate for juvenile myoclonic epilepsy (2021) · Cochrane
no estimate extracted2 studies · 61 participantsVery low
Topiramate vs valproate
Number of participants who were seizure‐free · people with juvenile myoclonic epilepsy
Topiramate for juvenile myoclonic epilepsy (2021) · Cochrane
RR 1.13 [0.61, 2.11]1 study · 27 participantsVery low
Sulthiame vs placebo
Treatment withdrawal · participants with epilepsy
Sulthiame monotherapy for epilepsy (2021) · Cochrane
no estimate extracted2 studies · 100 participantsUngraded
Sulthiame vs levetiracetam
Adverse effects (cardiac) · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 2.87 [0.12, 66.75]1 study · 43 participantsLow
Sulthiame vs levetiracetam
Adverse effects (gastrointestinal) · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 0.76 [0.37, 1.56]1 study · 43 participantsLow
Sulthiame vs levetiracetam
Adverse effects (bones and muscles) · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 0.95 [0.27, 3.33]1 study · 43 participantsLow
Sulthiame vs levetiracetam
Adverse effects (others) · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 1.19 [0.37, 3.85]1 study · 43 participantsLow
Sulthiame vs phenytoin
Treatment withdrawal · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
no estimate extracted1 study · 146 participantsUngraded
Sulthiame vs phenytoin
Seizure freedom · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
no estimate extracted1 study · 146 participantsUngraded
Sulthiame vs phenytoin
All adverse effects · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 1.05 [0.54, 2.07]1 study · 146 participantsLow
Sulthiame vs phenytoin
Paraesthesia · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 8.32 [0.51, 135.82]1 study · 146 participantsLow
Sulthiame vs phenytoin
Dizziness · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 3.16 [0.18, 55.62]1 study · 146 participantsLow
Sulthiame vs phenytoin
Headache · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 1.43 [0.07, 29.15]1 study · 146 participantsLow
Sulthiame vs placebo
Seizure freedom · participants with epilepsy
Sulthiame monotherapy for epilepsy (2021) · Cochrane
no estimate extracted2 studies · 100 participantsUngraded
Sulthiame vs phenytoin
Anorexia · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 0.42 [0.07, 2.41]1 study · 146 participantsLow
Sulthiame vs phenytoin
Rash · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 0.28 [0.02, 4.36]1 study · 146 participantsLow
Sulthiame vs phenytoin
Gingival hyperplasia · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 0.03 [0, 0.58]1 study · 146 participantsLow
Sulthiame vs phenytoin
Other · participants with epilepsy (GTCS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 1.4 [0.17, 11.59]1 study · 146 participantsLow
Sulthiame vs placebo
All adverse effects · participants with epilepsy
Sulthiame monotherapy for epilepsy (2021) · Cochrane
no estimate extracted2 studies · 100 participantsUngraded
Sulthiame vs levetiracetam
Treatment withdrawal · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 0.32 [0.1, 1.03]1 study · 43 participantsLow
Sulthiame vs levetiracetam
Seizure freedom · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 1.12 [0.88, 1.44]1 study · 43 participantsLow
Sulthiame vs levetiracetam
Adverse effects (general symptoms) · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 1.08 [0.76, 1.54]1 study · 43 participantsLow
Sulthiame vs levetiracetam
Adverse effects (central nervous system) · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 1.17 [0.77, 1.79]1 study · 43 participantsLow
Sulthiame vs levetiracetam
Adverse effects (behaviour) · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 0.95 [0.59, 1.55]1 study · 43 participantsLow
Sulthiame vs levetiracetam
Adverse effects (airways) · participants with epilepsy (BECTS)
Sulthiame monotherapy for epilepsy (2021) · Cochrane
RR 2.67 [1.17, 6.12]1 study · 43 participantsLow
Paroxetine vs doxepin
> 50% reduction in depressive symptoms · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
RR 1.16 [0.88, 1.52]1 study · 67 participantsModerate
Amitriptyline vs nomifensine
Seizure frequency · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Amitriptyline vs nomifensine
Withdrawals · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Amitriptyline vs nomifensine
Cognitive functioning · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Amitriptyline vs nomifensine
Quality of life · people with epilepsy and depression
Antidepressants for people with epilepsy and depression (2021) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded