Cochrane · systematic review · CD007815

Quetiapine versus typical antipsychotic medications for schizophrenia

Suttajit, S, Srisurapanont, M, Xia, J, et al. · Cochrane Database of Systematic Reviews · 2013 · 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 0 · 0%Moderate 6 · 85.7%High 0 · 0%

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

Quetiapine compared to Typical antipsychotics for schizophrenia

Population: patients with schizophrenia
7 questions
OutcomeEffectEvidenceStatus / GRADE
Global state No clinical significant response as defined by the individual studies
Quetiapine vs Typical antipsychotics
RR 0.96 [0.75, 1.23]16 studies · 1607 participantsModerate
Downgraded: risk of bias
Leaving the study early due to any reason
Quetiapine vs Typical antipsychotics
RR 0.91 [0.81, 1.01]23 studies · 3576 participantsModerate
Downgraded: risk of bias
Positive symptoms PANSS positive subscore
Quetiapine vs Typical antipsychotics
no estimate extracted22 studies · 1934 participantsModerate
Downgraded: risk of bias
Negative symptoms PANSS negative subscore
Quetiapine vs Typical antipsychotics
no estimate extracted22 studies · 1934 participantsModerate
Downgraded: risk of bias
Cognitive function Average endpoint scores as defined by the original studies
Quetiapine vs Typical antipsychotics
no estimate extracted3 studies · 142 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Extrapyramidal effects
Quetiapine vs Typical antipsychotics
RR 0.17 [0.09, 0.32]8 studies · 1095 participantsModerate
Downgraded: risk of bias
Prolactin level Average level in ng/mL
Quetiapine vs Typical antipsychotics
no estimate extracted4 studies · 1034 participantsModerate
Downgraded: risk of bias