Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

272 questions · 286 findings · 20 reviews · Schizophrenia

No studies found 49 · 17.1%GRADE not reported 30 · 10.5%Very low 88 · 30.8%Low 42 · 14.7%Moderate 73 · 25.5%High 4 · 1.4%

CLOZAPINE + RISPERIDONE vs PLACEBO + CLOZAPINE

Mental state: No 20% response (as defined by PANSS/BPRS total change) · patients with schizophrenia

RISPERIDONE + CLOZAPINE showed no clear difference in mental state: no clinically significant response in psychotic… compared with PLACEBO + CLOZAPINE (low certainty).

1 finding from 1 review

CLOZAPINE + RISPERIDONE vs PLACEBO + CLOZAPINE

Global state: 2. no significant clinical improvement ‐ CGI, short term (up to 12 weeks) · patients with schizophrenia

RISPERIDONE + CLOZAPINE showed no clear difference in global state: no significant clinical improvement ‐ CGI short term compared with PLACEBO + CLOZAPINE (low certainty).

1 finding from 1 review

CLOZAPINE + RISPERIDONE vs CLOZAPINE + SULPIRIDE (Kong 2001)

Clinical response: no clinically significant response in mental state: 20% to 50% reduction in PANSS total score · people with treatment‐resistant schizophrenia

It is very uncertain whether CLOZAPINE + RISPERIDONE changes clinical response: no clinically significant response in mental… compared with CLOZAPINE + SULPIRIDE (Kong 2001) (very low certainty).

1 finding from 1 review

CLOZAPINE + RISPERIDONE vs CLOZAPINE + SULPIRIDE (Kong 2001)

Quality of life/satisfaction with care for either recipients of care or carers: significant change in quality of life/satisfaction · people with treatment‐resistant schizophrenia

The review found no eligible studies for this question.

1 finding from 1 review

CLOZAPINE + RISPERIDONE vs CLOZAPINE + ZIPRASIDONE (Kuwilsky 2010)

Clinical response: no clinically significant response in mental state · people with treatment‐resistant schizophrenia

It is very uncertain whether CLOZAPINE + RISPERIDONE changes clinical response: no clinically significant response in mental… compared with CLOZAPINE + ZIPRASIDONE (Kuwilsky 2010) (very low certainty).

1 finding from 1 review