Cochrane · systematic review · CD010008

Topiramate for juvenile myoclonic epilepsy

Liu, J, Tai, Y-J, Wang, L-N · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

Epilepsy4 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
6
No studies
1
Included studies
NR
No studies 1 · 14.3%Ungraded 0 · 0%Very low 6 · 85.7%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.

Questions and results

Current version only

Topiramate compared with placebo for juvenile myoclonic epilepsy

Population: people with juvenile myoclonic epilepsy
CD010008.PUB5 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of responders (at least 50% seizure frequency reduction in PGTCS)
Topiramate vs placebo
RR 4 [1.08, 14.75]1 study · 22 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of participants who experienced at least one AE and individual AEs
Topiramate vs placebo
no estimate extracted1 study · 22 participantsVery low
Downgraded: risk of bias, imprecision
Number of participants who were seizure‐free
Topiramate vs placebo
no estimate extractedNRNo studies

Topiramate compared with valproate for juvenile myoclonic epilepsy

Population: people with juvenile myoclonic epilepsy
CD010008.PUB5 (current) · 4 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of responders (at least 50% seizure frequency reduction in myoclonic seizures)
Topiramate vs valproate
RR 0.88 [0.67, 1.15]1 study · 23 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of responders (at least 50% seizure frequency reduction in PGTCS)
Topiramate vs valproate
RR 1.22 [0.68, 2.21]1 study · 16 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of participants who experienced at least one AE and individual AEs
Topiramate vs valproate
no estimate extracted2 studies · 61 participantsVery low
Downgraded: risk of bias, imprecision
Number of participants who were seizure‐free
Topiramate vs valproate
RR 1.13 [0.61, 2.11]1 study · 27 participantsVery low
Downgraded: risk of bias, imprecision

Topiramate compared with placebo for juvenile myoclonic epilepsy

Population: people with juvenile myoclonic epilepsy
CD010008.PUB4 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of responders (at least 50% seizure frequency reduction in PGTCS)
Topiramate vs placebo
RR 4 [1.08, 14.75]1 study · 22 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of participants who experienced at least one AE and individual AEs
Topiramate vs placebo
no estimate extracted1 study · 22 participantsVery low
Downgraded: risk of bias, imprecision
Number of participants who were seizure‐free
Topiramate vs placebo
no estimate extractedNRNo studies

Topiramate compared with valproate for juvenile myoclonic epilepsy

Population: people with juvenile myoclonic epilepsy
CD010008.PUB4 · 4 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of responders (at least 50% seizure frequency reduction in myoclonic seizures)
Topiramate vs valproate
RR 0.88 [0.67, 1.15]1 study · 23 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of responders (at least 50% seizure frequency reduction in PGTCS)
Topiramate vs valproate
RR 1.22 [0.68, 2.21]1 study · 16 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of participants who experienced at least one AE and individual AEs
Topiramate vs valproate
no estimate extracted2 studies · 61 participantsVery low
Downgraded: risk of bias, imprecision
Number of participants who were seizure‐free
Topiramate vs valproate
RR 1.13 [0.61, 2.11]1 study · 27 participantsVery low
Downgraded: risk of bias, imprecision

Topiramate compared with placebo for juvenile myoclonic epilepsy

Population: people with juvenile myoclonic epilepsy
CD010008.PUB3 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of responders (at least 50% seizure frequency reduction in PGTCS)
Topiramate vs placebo
RR 4 [1.08, 14.75]1 study · 22 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of participants who experienced at least one AE and individual AEs
Topiramate vs placebo
no estimate extracted1 study · 22 participantsVery low
Downgraded: risk of bias, imprecision
Number of participants who were seizure‐free
Topiramate vs placebo
no estimate extractedNRNo studies

Topiramate compared with valproate for juvenile myoclonic epilepsy

Population: people with juvenile myoclonic epilepsy
CD010008.PUB3 · 4 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of responders (at least 50% seizure frequency reduction in myoclonic seizures)
Topiramate vs valproate
RR 0.88 [0.67, 1.15]1 study · 23 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of responders (at least 50% seizure frequency reduction in PGTCS)
Topiramate vs valproate
RR 1.22 [0.68, 2.21]1 study · 16 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of participants who experienced at least one AE and individual AEs
Topiramate vs valproate
no estimate extracted2 studies · 61 participantsVery low
Downgraded: risk of bias, imprecision
Number of participants who were seizure‐free
Topiramate vs valproate
RR 1.13 [0.61, 2.11]1 study · 27 participantsVery low
Downgraded: risk of bias, imprecision

Comparison

Population: people with juvenile myoclonic epilepsy
CD010008.PUB2 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of responders (at least 50% seizure frequency reduction in PGTCS)
RR 4 [1.08, 14.75]1 study · 22 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of participants who experienced at least one AE and individual AEs
no estimate extracted1 study · 22 participantsVery low
Downgraded: risk of bias, imprecision
Number of participants who were seizure‐free
no estimate extractedNRNo studies

Comparison

Population: people with juvenile myoclonic epilepsy
CD010008.PUB2 · 4 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of responders (at least 50% seizure frequency reduction in myoclonic seizures)
RR 0.88 [0.67, 1.15]1 study · 28 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of responders (at least 50% seizure frequency reduction in PGTCS)
RR 1.22 [0.68, 2.21]1 study · 28 participantsVery low
Downgraded: risk of bias, imprecision
Proportion of participants who experienced at least one AE and individual AEs
no estimate extracted2 studies · 61 participantsVery low
Downgraded: risk of bias, imprecision
Number of participants who were seizure‐free
RR 1.13 [0.61, 2.11]1 study · 33 participantsVery low
Downgraded: risk of bias, imprecision