Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,747 questions · 3,943 findings · 594 reviews

No studies found 784 · 19.9%GRADE not reported 530 · 13.4%Very low 1,040 · 26.4%Low 981 · 24.9%Moderate 444 · 11.3%High 164 · 4.2%

POLYPEPTIDE ‐ CERULETIDE vs placebo

Tardive dyskinesia: Deterioration of symptoms · female and male 55‐59 year old (mean) patients with various psychiatric conditions and antipsychotic‐induced tardive dyskinesia

POLYPEPTIDE ‐ CERULETIDE showed no clear difference in tardive dyskinesia: Deterioration of symptoms compared with PLACEBO (low certainty).

1 finding from 1 review

POLYPEPTIDE ‐ CERULETIDE vs placebo

Adverse effects ‐ any adverse effect · female and male 55‐59 year old (mean) patients with various psychiatric conditions and antipsychotic‐induced tardive dyskinesia

POLYPEPTIDE ‐ CERULETIDE showed no clear difference in adverse effects ‐ any adverse effect compared with PLACEBO (low certainty).

1 finding from 1 review

POLYPEPTIDE ‐ CERULETIDE vs placebo

Leaving the study early · female and male 55‐59 year old (mean) patients with various psychiatric conditions and antipsychotic‐induced tardive dyskinesia

It is very uncertain whether POLYPEPTIDE ‐ CERULETIDE changes acceptability of treatment (measured by participants leaving the… compared with PLACEBO (very low certainty).

1 finding from 1 review

POLYPEPTIDE ‐ CERULETIDE vs placebo

Social confidence, social inclusion, social networks, or personalised quality of life ‐ not reported · female and male 55‐59 year old (mean) patients with various psychiatric conditions and antipsychotic‐induced tardive dyskinesia

The review found no eligible studies for this question.

1 finding from 1 review

Levetiracetam vs placebo

Leaving the study early · patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether ANTIEPILEPTIC ‐ LEVETIRACETAM changes acceptability of treatment (measured by participants leaving the… compared with PLACEBO (very low certainty).

1 finding from 1 review

Vitamin E vs placebo

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

VITAMIN E showed no clear difference in tardive dyskinesia: 1. Not improved to a clinically important extent compared with PLACEBO (low certainty).

1 finding from 1 review

Vitamin E vs placebo

Tardive dyskinesia: Deterioration of symptoms · patients with antipsychotic‐induced tardive dyskinesia

VITAMIN E may leads to lower tardive dyskinesia: 3. Deterioration of symptoms compared with PLACEBO (low certainty).

1 finding from 1 review

Vitamin E vs placebo

Adverse effect: any · patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether VITAMIN E changes adverse effect: any compared with PLACEBO (very low certainty).

1 finding from 1 review

Vitamin E vs placebo

Leaving the study early · patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether VITAMIN E changes acceptability of treatment (measured by participants leaving the… compared with PLACEBO (very low certainty).

1 finding from 1 review

Reduced dose of antipsychotics vs antipsychotic maintenance

Tardive dyskinesia: No clinically important improvement · female and male 42 (mean) years old patients with schizophrenia or schizoaffective disorder and antipsychotic‐induced tardive dyskinesia

It is very uncertain whether reduced dose of antipsychotics changes tardive dyskinesia: no clinically important improvement compared with antipsychotic maintenance (very low certainty).

1 finding from 1 review