Cochrane · systematic review · CD003384

Topiramate for acute affective episodes in bipolar disorder in adults

Pigott, K, Galizia, I, Vasudev, K, et al. · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library

Common Mental DisordersAMSTAR 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
29
current version
GRADE rated
11
No studies
18
Included studies
NR
No studies 18 · 62.1%Ungraded 0 · 0%Very low 3 · 10.3%Low 6 · 20.7%Moderate 1 · 3.4%High 1 · 3.4%

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.

Questions and results

Topiramate compared to placebo as monotherapy

Population: adults with acute affective episodes in bipolar disorder
8 questions
OutcomeEffectEvidenceStatus / GRADE
Efficacy: change in scores from baseline to endpoint (3 weeks) on symptom rating scales in the treatment of manic and mixed episodes. Lower scores indicate improvement
Topiramate vs placebo
no estimate extracted3 studies · 664 participantsModerate
Downgraded: imprecision
Efficacy: change in scores from baseline to endpoint (12 weeks) on symptom rating scales in the treatment of manic and mixed episodes Lower scores indicate improvement
Topiramate vs placebo
no estimate extracted1 study · 212 participantsLow
Downgraded: imprecision
Efficacy: change in scores from baseline to endpoint on symptom rating scales in the treatment of depressive episodes
Topiramate vs placebo
no estimate extractedNRNo studies
Acceptability with topiramate (endpoint: 12 weeks) Number of participants experiencing troublesome side effects of any nature
Topiramate vs placebo
OR 0.68 [0.33, 1.4]1 study · 212 participantsLow
Downgraded: imprecision
Response to treatment with topiramate. Number of participants experiencing a 50% reduction or greater in mean score from baseline to end of treatment on symptom rating scales in manic and mixed episodes
Topiramate vs placebo
no estimate extractedNRNo studies
Response to treatment with topiramate. Number of participants experiencing a 50% reduction or greater in mean score from baseline to end of treatment on symptom rating scales in depressive episodes
Topiramate vs placebo
no estimate extractedNRNo studies
Remission with topiramate. Number of participants presenting with a rating scale score within the normal range at the endpoint in manic and mixed episodes
Topiramate vs placebo
no estimate extractedNRNo studies
Remission with topiramate. Number of participants presenting with a rating scale score within the normal range at the endpoint in depressive episodes
Topiramate vs placebo
no estimate extractedNRNo studies

Topiramate as add‐on therapy compared to placebo as add‐on therapy for acute affective episodes in bipolar disorder

Population: adults with acute affective episodes in bipolar disorder
7 questions
OutcomeEffectEvidenceStatus / GRADE
Efficacy: change in scores from baseline to endpoint (12 weeks) on symptom rating scales in the treatment of manic and mixed episodes Lower scores indicate improvement
Topiramate as add‐on therapy vs placebo
no estimate extracted1 study · 287 participantsLow
Downgraded: imprecision
Efficacy: change in scores from baseline to endpoint on symptom rating scales in the treatment of depressive episodes
Topiramate as add‐on therapy vs placebo
no estimate extractedNRNo studies
Acceptability with topiramate (endpoint: 12 weeks) Number of participants experiencing troublesome side effects of any nature
Topiramate as add‐on therapy vs placebo
OR 1.1 [0.58, 2.1]1 study · 287 participantsLow
Downgraded: imprecision
Response to treatment with topiramate. Number of participants experiencing a 50% reduction or greater in mean score from baseline to end of treatment on symptom rating scales in manic and mixed episodes (endpoint: 12 weeks)
Topiramate as add‐on therapy vs placebo
OR 0.98 [0.61, 1.58]1 study · 287 participantsLow
Downgraded: imprecision
Response to treatment with topiramate. Number of participants experiencing a 50% reduction or greater in mean score from baseline to end of treatment on symptom rating scales in depressive episodes
Topiramate as add‐on therapy vs placebo
no estimate extractedNRNo studies
Remission with topiramate. Number of participants presenting with a rating scale score within the normal range at the endpoint in manic and mixed episodes
Topiramate as add‐on therapy vs placebo
no estimate extractedNRNo studies
Remission with topiramate. Number of participants presenting with a rating scale score within the normal range at the endpoint in depressive episodes
Topiramate as add‐on therapy vs placebo
no estimate extractedNRNo studies

Topiramate as monotherapy compared to an alternative drug as monotherapy for acute affective episodes in bipolar disorder

Population: adults with acute affective episodes in bipolar disorder
7 questions
OutcomeEffectEvidenceStatus / GRADE
Efficacy: change in scores from baseline to endpoint (12 weeks) on symptom rating scales in the treatment of manic and mixed episodes Lower scores indicate improvement
Topiramate as monotherapy vs an alternative drug
no estimate extracted2 studies · 449 participantsHigh
Efficacy: change in scores from baseline to endpoint on symptom rating scales in the treatment of depressive episodes
Topiramate as monotherapy vs an alternative drug
no estimate extractedNRNo studies
Acceptability with topiramate (12 weeks) Number of participants experiencing troublesome side effects of any nature
Topiramate as monotherapy vs an alternative drug
OR 0.87 [0.5, 1.52]1 study · 230 participantsLow
Downgraded: imprecision
Response to treatment with topiramate. Number of participants experiencing a 50% reduction or greater in mean score from baseline to end of treatment on symptom rating scales in manic and mixed episodes
Topiramate as monotherapy vs an alternative drug
no estimate extractedNRNo studies
Response to treatment with topiramate. Number of participants experiencing a 50% reduction or greater in mean score from baseline to end of treatment on symptom rating scales in depressive episodes
Topiramate as monotherapy vs an alternative drug
no estimate extractedNRNo studies
Remission with topiramate. Number of participants presenting with a rating scale score within the normal range at the endpoint in manic and mixed episodes
Topiramate as monotherapy vs an alternative drug
no estimate extractedNRNo studies
Remission with topiramate. Number of participants presenting with a rating scale score within the normal range at the endpoint in depressive episodes
Topiramate as monotherapy vs an alternative drug
no estimate extractedNRNo studies

Topiramate as add‐on therapy compared to alternative drug as add‐on therapy for acute affective episodes in bipolar disorder

Population: people with acute affective episodes in bipolar disorder
7 questions
OutcomeEffectEvidenceStatus / GRADE
Efficacy: change in scores from baseline to endpoint on symptom rating scales in the treatment of manic and mixed episodes
Topiramate as add‐on therapy vs alternative drug
no estimate extractedNRNo studies
Efficacy: change in scores from baseline to endpoint on symptom rating scales in the treatment of depressive episodes
Topiramate as add‐on therapy vs alternative drug
no estimate extractedNRNo studies
Acceptability with topiramate (8 weeks) Number of participants experiencing troublesome side effects of any nature
Topiramate as add‐on therapy vs alternative drug
OR 1.57 [0.42, 5.9]1 study · 36 participantsVery low
Downgraded: risk of bias, imprecision
Response to treatment with topiramate. Number of participants experiencing a 50% reduction or greater in mean score from baseline to end of treatment on symptom rating scales in manic and mixed episodes
Topiramate as add‐on therapy vs alternative drug
no estimate extractedNRNo studies
Response to treatment with topiramate. Number of participants experiencing a 50% reduction or greater in mean score from baseline to end of treatment on symptom rating scales in depressive episodes (8 weeks)
Topiramate as add‐on therapy vs alternative drug
OR 0.8 [0.21, 3]1 study · 36 participantsVery low
Downgraded: risk of bias, imprecision
Remission with topiramate as add‐on therapy. Number of participants presenting with a rating scale score within the normal range at the endpoint in manic and mixed episodes
Topiramate as add‐on therapy vs alternative drug
no estimate extractedNRNo studies
Remission with topiramate. Number of participants presenting with a rating scale score within the normal range at the endpoint in depressive episodes (8 weeks)
Topiramate as add‐on therapy vs alternative drug
OR 1 [0.23, 4.3]1 study · 36 participantsVery low
Downgraded: imprecision