Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

329 questions · 345 findings · 49 reviews · Schizophrenia

No studies found 23 · 6.7%GRADE not reported 17 · 4.9%Very low 117 · 33.9%Low 87 · 25.2%Moderate 91 · 26.4%High 10 · 2.9%

ECT plus standard care vs sham‐ECT plus standard care

Service use (short term) ‐ hospitalisation (number readmitted) · people with treatment‐resistant schizophrenia

ECT plus standard care may leads to lower service use (short term) ‐ hospitalisation (number readmitted) compared with sham‐ECT plus standard care (low certainty).

1 finding from 1 review

Aspirin plus antipsychotics vs placebo/no adjunctive treatment + antipsychotics

Behaviour: Leaving the study early (short‐term) · patients with schizophrenia

It is very uncertain whether aspirin plus antipsychotics changes leaving the study early: short‐term – for any reason compared with placebo plus antipsychotics (very low certainty).

1 finding from 1 review

Group A: amino acids vs placebo

Adverse effects: suicidal thoughts (events) · people in the prodromal stage of psychosis

It is very uncertain whether group A: amino acids changes adverse effects: suicidal thoughts Short‐term (events) compared with placebo (very low certainty).

1 finding from 1 review

FLUPHENAZINE (ORAL) vs placebo

Adverse effects: 2. Extrapyramidal ‐ akathisia · patients with schizophrenia

ORAL FLUPHENAZINE probably leads to higher adverse effects: Extrapyramidal effects (akathisia) ‐ short… compared with PLACEBO (moderate certainty).

1 finding from 1 review

FLUPHENAZINE (ORAL) vs placebo

Adverse effects: extrapyramidal adverse effectsParkinsonism (rigidity) short term (< 3 months) Clinical diagnoses · patients with schizophrenia

ORAL FLUPHENAZINE probably leads to higher adverse effects: Extrapyramidal effects (rigidity) ‐ short… compared with PLACEBO (moderate certainty).

1 finding from 1 review

Noradrenaline reuptake inhibitors vs placebo

Mental state: significant response or improvement in negative symptoms (PANSS negative subscale, high = worse) ‐ short term (12 weeks) · adults with schizophrenia

It is very uncertain whether noradrenaline reuptake inhibitors changes mental state: significant response or improvement in negative… compared with placebo (very low certainty).

1 finding from 1 review

Noradrenaline reuptake inhibitors vs placebo

Clinical global response: significant response or improvement in global status (CGI‐S, high = worse) ‐ short term (4 weeks) · adults with schizophrenia

It is very uncertain whether noradrenaline reuptake inhibitors changes clinical global response: significant response or improvement in… compared with placebo (very low certainty).

1 finding from 1 review

Zuclopenthixol dihydrochloride vs RISPERIDONE

Adverse effects: Clinically important general adverse effect ‐ short term (EPSEs requiring medication) · schizophrenia

It is very uncertain whether zuclopenthixol dihydrochloride changes adverse effects: Clinically important general adverse effect ‐ short… compared with risperidone (very low certainty).

1 finding from 1 review