Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

13 questions · 13 findings · 4 reviews · Schizophrenia

No studies found 3 · 23.1%GRADE not reported 0 · 0%Very low 3 · 23.1%Low 5 · 38.5%Moderate 2 · 15.4%High 0 · 0%

Benzodiazepines vs placebo

Tardive dyskinesia: No clinically important improvement · patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether benzodiazepines changes tardive dyskinesia: no clinically important improvement compared with placebo (very low certainty).

1 finding from 1 review

Benzodiazepines vs phenobarbital (as active placebo)

Tardive dyskinesia: No clinically important improvement · patients 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).

1 finding from 1 review

CHOLINERGIC DRUGS vs placebo

Tardive dyskinesia: No clinically important improvement · patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether CHOLINERGIC DRUGS changes tardive dyskinesia: No clinically important improvement compared with PLACEBO (very low certainty).

1 finding from 1 review

ALKALOID ‐ DIHYDROGENATED ERGOT ALKALOIDS vs placebo

Tardive dyskinesia: No clinically important improvement · female and male 59‐80 (mean) years old patients with antipsychotic‐induced tardive dyskinesia

ALKALOID ‐ DIHYDROGENATED ERGOT ALKALOIDS may leads to lower tardive dyskinesia: No clinically important improvement compared with PLACEBO (low certainty).

1 finding from 1 review

Buspirone vs placebo

Tardive dyskinesia: No clinically important improvement · psychiatric patients (schizophrenia) with antipsychotic‐induced tardive dyskinesia

ANXIOLYTIC ‐ BUSPIRONE may leads to lower tardive dyskinesia: No clinically important improvement compared with PLACEBO (low certainty).

1 finding from 1 review

Ginkgo biloba vs placebo

Tardive dyskinesia: No clinically important improvement · male 45.2 (mean) years old patients with schizophrenia and antipsychotic‐induced tardive dyskinesia

HERB ‐ GINKGO BILOBA probably leads to lower tardive dyskinesia: No clinically important improvement compared with PLACEBO (moderate certainty).

1 finding from 1 review

ENZYME INHIBITOR ‐ VMAT2‐INHIBITOR (valbenazine) vs placebo

Tardive dyskinesia: No clinically important improvement · 18 to 85 year‐old patients with schizophrenia, schizoaffective disorder, mood disorder, or gastrointestinal disorder +…

ENZYME INHIBITOR ‐ VMAT2‐INHIBITOR (valbenazine) probably leads to lower tardive dyskinesia: 1. No clinically important improvement compared with PLACEBO (moderate certainty).

1 finding from 1 review