Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

33 questions · 34 findings · 4 reviews

No studies found 11 · 32.4%GRADE not reported 2 · 5.9%Very low 10 · 29.4%Low 8 · 23.5%Moderate 3 · 8.8%High 0 · 0%

Group B antipsychotic drugs: olanzapine + supportive intervention vs placebo or supportive treatment

Prodromal symptoms: transition to psychosis Endpoint data (events) · people in the prodromal stage of psychosis

It is very uncertain whether group B antipsychotic drugs: olanzapine + supportive intervention changes prodromal symptoms: transition to psychosis Endpoint data, (events)… compared with placebo + supportive intervention (very low certainty).

1 finding from 1 review

Group B antipsychotic drugs: olanzapine + supportive intervention vs placebo or supportive treatment

Satisfaction and acceptability of treatment (medium term) ‐ leaving the study early · people in the prodromal stage of psychosis

It is very uncertain whether group B antipsychotic drugs: olanzapine + supportive intervention changes satisfaction with treatment: leaving the study early Endpoint data… compared with placebo + supportive intervention (very low certainty).

1 finding from 1 review

Augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with olanzapine (5 mg/d to 20 mg/d) vs augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with placebo

Depressive symptoms · treatment‐resistant depression in adults
2 findings from 1 review

Augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with olanzapine (5 mg/d to 20 mg/d) vs augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with placebo

Leaving the study early · treatment‐resistant depression in adults

Augmentation of current antidepressant (fluoxetine 20 mg/d to 60… showed no clear difference in dropouts compared with augmentation of current antidepressant (fluoxetine 20 mg/d to 60… (low certainty).

1 finding from 1 review

Augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with olanzapine (5 mg/d to 20 mg/d) vs augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with placebo

Proportions of participants responding to treatment ≥ 50% reduction in depression score from baseline to end of treatment. A larger RR indicates greater response to treatment in the SAMe group · treatment‐resistant depression in adults

Augmentation of current antidepressant (fluoxetine 20 mg/d to 60… showed no clear difference in response (≥50% reduction in MADRS score) compared with augmentation of current antidepressant (fluoxetine 20 mg/d to 60… (low certainty).

1 finding from 1 review

Augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with olanzapine (5 mg/d to 20 mg/d) vs augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with placebo

Remission ‐ not measured · treatment‐resistant depression in adults

The review found no eligible studies for this question.

1 finding from 1 review

Augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with olanzapine (5 mg/d to 20 mg/d) vs augmentation of current antidepressant (fluoxetine 20 mg/d to 60 mg/d) with placebo

Quality of life ‐ not measured · treatment‐resistant depression in adults

The review found no eligible studies for this question.

1 finding from 1 review