Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

145 questions · 160 findings · 31 reviews · Schizophrenia

No studies found 16 · 10%GRADE not reported 22 · 13.8%Very low 33 · 20.6%Low 17 · 10.6%Moderate 71 · 44.4%High 1 · 0.6%

CHLORPROMAZINE LOW DOSE (≤ 400 mg/day) vs MEDIUM DOSE (401 mg/day to 800 mg/day)

Global state: needing additional medication (sedation with chloral hydrate or a barbiturate > 5 times) ‐ medium term · patients with schizophrenia

CHLORPROMAZINE LOW DOSE (≤ 400 mg/day) showed no clear difference in global state: needing additional medication (sedation with chloral… compared with MEDIUM DOSE (401 mg/day to 800 mg/day) (low certainty).

1 finding from 1 review

CHLORPROMAZINE LOW DOSE (≤ 400 mg/day) vs MEDIUM DOSE (401 mg/day to 800 mg/day)

Behaviour: agitation and restlessness ‐ medium term (categorised as adverse event) · patients with schizophrenia

It is very uncertain whether CHLORPROMAZINE LOW DOSE (≤ 400 mg/day) changes behaviour: agitation and restlessness ‐ medium term (categorised as… compared with MEDIUM DOSE (401 mg/day to 800 mg/day) (very low certainty).

1 finding from 1 review

CHLORPROMAZINE LOW DOSE (≤ 400 mg/day) vs MEDIUM DOSE (401 mg/day to 800 mg/day)

Adverse effects: any observed extrapyramidal symptoms ‐ short term (up to 6 months) · patients with schizophrenia

CHLORPROMAZINE LOW DOSE (≤ 400 mg/day) probably leads to lower adverse effects: extrapyramidal symptoms (unspecified extrapyramidal… compared with MEDIUM DOSE (401 mg/day to 800 mg/day) (moderate certainty).

1 finding from 1 review

CHLORPROMAZINE LOW DOSE (≤ 400 mg/day) vs HIGH DOSE (> 800 mg/day ‐ all medium term)

Global state: No clinically significant response (as defined by the original studies) · schizophrenia

CHLORPROMAZINE LOW DOSE (≤ 400 mg/day) probably leads to higher global state: no clinically important improvement ‐ medium term compared with HIGH DOSE (> 800 mg/day ‐ all medium term) (moderate certainty).

1 finding from 1 review