Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

349 questions · 364 findings · 37 reviews

No studies found 96 · 26.4%GRADE not reported 8 · 2.2%Very low 105 · 28.8%Low 94 · 25.8%Moderate 46 · 12.6%High 15 · 4.1%

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

Antidepressants vs placebo

Number of responders · patients with depression and dementia

Antidepressant treatment showed no clear difference in number of responders (ITT) at 6 to 12 weeks compared with placebo (low certainty).

1 finding from 1 review

Antidepressants vs placebo

Risk for at least one adverse event per patient · patients with depression and dementia

Antidepressant treatment probably leads to higher number of patients experiencing at least one adverse event compared with placebo (moderate certainty).

1 finding from 1 review