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Evidence found and GRADE certainty

5 questions · 5 findings · 1 reviews · Headline outcomes only

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 4 · 80%High 1 · 20%

Augmentation of current antidepressant (various) with quetiapine (150 mg/d to 300 mg/d) vs augmentation of current antidepressant (various) with placebo

Dropouts ‐ Any dose · treatment‐resistant depression in adults

Augmentation of current antidepressant (various) with quetiapine… showed no clear difference in dropouts ‐ Any dose compared with augmentation of current antidepressant (various) with placebo (moderate certainty).

1 finding from 1 review

Augmentation of current antidepressant (various) with quetiapine (150 mg/d to 300 mg/d) vs augmentation of current antidepressant (various) with placebo

Response (≥ 50% reduction in MADRS or HAM‐D score) ‐ Any dose · treatment‐resistant depression in adults

Augmentation of current antidepressant (various) with quetiapine… probably leads to higher response (≥ 50% reduction in MADRS or HAM‐D score) ‐ Any dose compared with augmentation of current antidepressant (various) with placebo (moderate certainty).

1 finding from 1 review

Augmentation of current antidepressant (various) with quetiapine (150 mg/d to 300 mg/d) vs augmentation of current antidepressant (various) with placebo

Remission · treatment‐resistant depression in adults

Augmentation of current antidepressant (various) with quetiapine… probably leads to higher remission (MADRS score ≤ 8/HAM‐D score ≤ 7) ‐ Any dose compared with augmentation of current antidepressant (various) with placebo (moderate certainty).

1 finding from 1 review