Cochrane · systematic review · CD014384

Antipsychotic dose reduction compared to dose continuation for people with schizophrenia

Rodolico, A, Siafis, S, Bighelli, I, et al. · Cochrane Database of Systematic Reviews · 2022 · Cochrane Library

SchizophreniaAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 1 · 14.3%Low 1 · 14.3%Moderate 4 · 57.1%High 1 · 14.3%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Summary of findings table ‐ Antipsychotic dose reduction compared to dose continuation for people with schizophrenia

Population: people with schizophrenia
7 questions
OutcomeEffectEvidenceStatus / GRADE
Quality of life ‐ mean change/endpoint all available scales (combined scales and time points)
Summary of findings table ‐ Antipsychotic dose reduction vs dose continuation
no estimate extracted6 studies · 719 participantsModerate
Downgraded: risk of bias, imprecision
Service use ‐ readmission to hospital (combined time points)
Summary of findings table ‐ Antipsychotic dose reduction vs dose continuation
RR 1.53 [0.84, 2.81]9 studies · 1433 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Adverse effect ‐ leaving the study early due to adverse effects ‐ overall tolerability (combined time points)
Summary of findings table ‐ Antipsychotic dose reduction vs dose continuation
RR 2.2 [1.39, 3.49]10 studies · 1340 participantsModerate
Downgraded: risk of bias
Functioning ‐ mean endpoint/change all available scales (combined scales and time points)
Summary of findings table ‐ Antipsychotic dose reduction vs dose continuation
no estimate extracted6 studies · 966 participantsHigh
Global state ‐ number of participants with relapse/exacerbations of psychosis (combined time points)
Summary of findings table ‐ Antipsychotic dose reduction vs dose continuation
RR 2.16 [1.52, 3.06]20 studies · 2481 participantsLow
Downgraded: risk of bias, inconsistency
Leaving the study early ‐ for any reason ‐ overall acceptability (combined time points)
Summary of findings table ‐ Antipsychotic dose reduction vs dose continuation
RR 1.38 [1.05, 1.81]12 studies · 1551 participantsModerate
Downgraded: risk of bias, publication bias
Adverse effects ‐ number of participants with at least 1 adverse effect (combined time points)
Summary of findings table ‐ Antipsychotic dose reduction vs dose continuation
RR 1.03 [0.94, 1.12]5 studies · 998 participantsModerate
Downgraded: risk of bias