Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

509 questions · 521 findings · 45 reviews

No studies found 87 · 16.7%GRADE not reported 61 · 11.7%Very low 166 · 31.9%Low 120 · 23%Moderate 73 · 14%High 14 · 2.7%

BENZODIAZEPINES + ANTIPSYCHOTICS vs same enzodiazepines

Global state: no improvement ‐ medium termAs defined in each study · psychosis‐induced aggression or agitation

Benzodiazepines + antipsychotics showed no clear difference in global state: no improvement ‐ lorazepam + risperidone vs lorazepam… compared with same enzodiazepines (low certainty).

1 finding from 1 review

BENZODIAZEPINES + ANTIPSYCHOTICS vs same enzodiazepines

Global impression ‐ need for additional medication ‐ medium term Number of participants requiring additional medication · psychosis‐induced aggression or agitation

Benzodiazepines + antipsychotics showed no clear difference in global state: need for additional medication ‐ + haloperidol ‐… compared with same enzodiazepines (low certainty).

1 finding from 1 review

BENZODIAZEPINES + ANTIPSYCHOTICS vs same enzodiazepines

Adverse effects: any observed extrapyramidal symptoms ‐ short term (up to 6 months) · psychosis‐induced aggression or agitation

Benzodiazepines + antipsychotics showed no clear difference in adverse effects/events: extrapyramidal symptoms ‐ + haloperidol ‐… compared with same enzodiazepines (low certainty).

1 finding from 1 review

Summary of findings table ‐ CBT without antipsychotics vs no specific treatment

Global state ‐ number of participants with relapse/exacerbations of psychosis (separated time points) ‐ > 1 year · schizophrenia

Summary of findings table ‐ CBT without antipsychotics showed no clear difference in global state ‐ number of participants with relapse/exacerbations of… compared with no specific treatment (low certainty).

1 finding from 1 review

Summary of findings table ‐ CBT without antipsychotics vs no specific treatment

Leaving the study early/ loss to · schizophrenia

Summary of findings table ‐ CBT without antipsychotics showed no clear difference in leaving the study early ‐ for any reason ‐ overall acceptability… compared with no specific treatment (low certainty).

1 finding from 1 review

Lamotrigine vs lithium

Recurrence of any episodes at one year for clinical worsening with additional psychotropics (mood stabilizers, antidepressants, antipsychotics or benzodiazepines) · bipolar disorder

Lamotrigine showed no clear difference in recurrence of any episodes at one year for clinical worsening with… compared with lithium (moderate certainty).

1 finding from 1 review

Lamotrigine vs placebo

Recurrence of any episodes at one year for clinical worsening with additional psychotropics (mood stabilizers, antidepressants, antipsychotics or benzodiazepines) · bipolar disorder

Lamotrigine probably leads to lower recurrence of any episodes at one year for clinical worsening with… compared with placebo (moderate certainty).

1 finding from 1 review

Discontinuation vs continuation of antipsychotic medication

Success of withdrawal from antipsychotics · older people with dementia who had been taking an antipsychotic drug for at least 3 months

Discontinuation may leads to lower success of withdrawal from antipsychotics compared with continuation of antipsychotic medication (low certainty).

1 finding from 1 review

ZUCLOPENTHIXOL ACETATE vs STANDARD DRUG CARE

Global state: 1. Requiring supplementary medication ‐ antipsychotics · patients with acute schizophrenia and similar serious mental illnesses

ZUCLOPENTHIXOL ACETATE showed no clear difference in global state: 1. Requiring supplementary medication ‐ antipsychotics compared with STANDARD DRUG CARE (low certainty).

1 finding from 1 review