Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

149 questions · 150 findings · 20 reviews

No studies found 12 · 8%GRADE not reported 18 · 12%Very low 60 · 40%Low 43 · 28.7%Moderate 12 · 8%High 5 · 3.3%

Adjunctive lithium + antipsychotics vs placebo/no adjunctive treatment + antipsychotics

Clinically significant response on positive symptoms at least 50% MS improvement · schizophrenia

Adjunctive lithium + antipsychotics showed no clear difference in clinically significant response on positive symptoms at least 50% MS… compared with placebo/no adjunctive treatment + antipsychotics (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

Reduced dose of antipsychotics vs antipsychotic maintenance

Tardive dyskinesia: Deterioration of symptoms · 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: deterioration of symptoms compared with antipsychotic maintenance (very low certainty).

1 finding from 1 review

Reduced dose of antipsychotics vs antipsychotic maintenance

General mental state: relapse · 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 general mental state: relapse compared with antipsychotic maintenance (very low certainty).

1 finding from 1 review

Reduced dose of antipsychotics vs antipsychotic maintenance

Leaving the study early · 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 acceptability of the treatment: leaving the study early compared with antipsychotic maintenance (very low certainty).

1 finding from 1 review

Reduced dose of antipsychotics vs antipsychotic maintenance

Social confidence, social inclusion, social networks, or personalised quality of life ‐ not reported · female and male 42 (mean) years old patients with schizophrenia or schizoaffective disorder and antipsychotic‐induced tardive dyskinesia
1 finding from 1 review

Atypical antipsychotics vs placebo

Adverse effects (AEs) · participants (any age) with a clinical diagnosis of ASD who have displayed one or more unwanted or challenging behaviours at baseline…

Atypical antipsychotics may leads to higher adverse effects (AEs) compared with placebo (low certainty).

1 finding from 1 review