Benzodiazepines vs phenobarbital (as active placebo): Tardive dyskinesia: No clinically important improvement
It is very uncertain whether benzodiazepines changes tardive dyskinesia: no clinically important improvement compared with phenobarbital (as active placebo) (very low certainty).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Benzodiazepines vs phenobarbital (as active placebo) Tardive dyskinesia: no clinically important improvement · psychiatric patients (mainly schizophrenia) with antipsychotic‐induced tardive dyskinesia It is very uncertain whether benzodiazepines changes tardive dyskinesia: no clinically important improvement compared with phenobarbital (as active placebo) (very low certainty). Benzodiazepines for antipsychotic‐induced tardive dyskinesia (2018) · Cochrane Headline outcomes only | RR 0.44 [0.2, 0.96] | 1 study · 21 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Benzodiazepines for antipsychotic‐induced tardive dyskinesia 2018 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
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.