Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

466 questions · 492 findings · 33 reviews · Common Mental Disorders

No studies found 136 · 27.6%GRADE not reported 7 · 1.4%Very low 147 · 29.9%Low 133 · 27%Moderate 58 · 11.8%High 11 · 2.2%

Augmentation of current antidepressant (SSRI/SNRI) with mirtazapine (30 mg/d) vs augmentation of current antidepressant (various) with placebo

Leaving the study early · treatment‐resistant depression in adults

Augmentation of current antidepressant (SSRI/SNRI) with mirtazapine… showed no clear difference in dropouts compared with augmentation of current antidepressant (SSRI/SNRI) therapy with… (high certainty).

1 finding from 1 review

Augmentation of current antidepressant (SSRI/SNRI) with mirtazapine (30 mg/d) vs augmentation of current antidepressant (various) with placebo

Response (≥ 50% improvement in BDI‐II score) · treatment‐resistant depression in adults

Augmentation of current antidepressant (SSRI/SNRI) with mirtazapine… showed no clear difference in response (≥ 50% improvement in BDI‐II score) compared with augmentation of current antidepressant (SSRI/SNRI) therapy with… (high certainty).

1 finding from 1 review

Augmentation of current antidepressant (SSRI/SNRI) with mirtazapine (30 mg/d) vs augmentation of current antidepressant (various) with placebo

Remission · treatment‐resistant depression in adults

Augmentation of current antidepressant (SSRI/SNRI) with mirtazapine… showed no clear difference in remission (BDI‐II total score ≤ 9) compared with augmentation of current antidepressant (SSRI/SNRI) therapy with… (high certainty).

1 finding from 1 review

Augmentation of current antidepressant (SSRI) with busiprone (20 mg/d to 60 mg/d) vs placebo plus antidepressant

Leaving the study early · treatment‐resistant depression in adults

Augmentation of current antidepressant (SSRI) with busiprone (20… showed no clear difference in dropouts compared with augmentation of current antidepressant (SSRI) with placebo (low certainty).

1 finding from 1 review

Switching to mianserin (60 mg/d) vs continuing on current antidepressant (fluoxetine 20 mg/d)

Leaving the study early · treatment‐resistant depression in adults

Switching to mianserin (60 mg/d) showed no clear difference in dropouts compared with continuing on current antidepressant (fluoxetine 20 mg/d) (low certainty).

1 finding from 1 review

Augmentation of current antidepressant (various) with cariprazine (1 mg/d to 4.5 mg/d) vs augmentation of current antidepressant (various) with placebo

Dropouts ‐ Any dose · treatment‐resistant depression in adults

Augmentation of current antidepressant (various) with cariprazine (1… probably leads to higher 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 cariprazine (1 mg/d to 4.5 mg/d) vs augmentation of current antidepressant (various) with placebo

> 50% reduction in depressive symptoms · treatment‐resistant depression in adults

Augmentation of current antidepressant (various) with cariprazine (1… probably leads to higher response (≥ 50% improvement in MADRS 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 cariprazine (1 mg/d to 4.5 mg/d) vs augmentation of current antidepressant (various) with placebo

Remission · treatment‐resistant depression in adults

Augmentation of current antidepressant (various) with cariprazine (1… showed no clear difference in remission (MADRS total score ≤ 10) ‐ any dose compared with augmentation of current antidepressant (various) with placebo (moderate 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

Switching to mianserin (60 mg/d) vs continuing on current antidepressant (fluoxetine 20 mg/d)

Response (> 50% improvement on 29‐item HAM‐D SIGH‐SAD) · treatment‐resistant depression in adults

Switching to mianserin (60 mg/d) showed no clear difference in response (≥ 50% improvement in HAM‐D score) compared with continuing on current antidepressant (fluoxetine 20 mg/d) (low certainty).

1 finding from 1 review