Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,756 questions · 13,493 findings · 1,305 reviews · Headline outcomes only

No studies found 2,594 · 19.2%GRADE not reported 728 · 5.4%Very low 2,868 · 21.3%Low 3,777 · 28%Moderate 2,620 · 19.4%High 906 · 6.7%

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Ketamine vs placebo

Efficacy: number of participants who respond to treatment ‐ at 24 hours · adults (aged 18 years+) with depression in bipolar disorder

Ketamine may leads to higher efficacy: number of participants who respond to treatment ‐ at 24… compared with placebo (low certainty).

1 finding from 1 review

Memantine vs placebo

Efficacy: number of participants who respond to treatment ‐ at 3 months · adults (aged 18 years+) with depression in bipolar disorder

It is very uncertain whether memantine changes efficacy: number of participants who respond to treatment ‐ at 1 week compared with placebo (very low certainty).

4 findings from 1 review
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Cytidine vs placebo

Efficacy: number of participants who respond to treatment ‐ at 3 months · adults (aged 18 years+) with depression in bipolar disorder

It is very uncertain whether cytidine changes efficacy: number of participants who respond to treatment ‐ at 3… compared with placebo (very low certainty).

1 finding from 1 review

N‐acetylcysteine vs placebo

Efficacy: number of participants who respond to treatment ‐ at 3 months · adults (aged 18 years+) with depression in bipolar disorder

N‐acetylcysteine showed no clear difference in efficacy: number of participants who respond to treatment ‐ at 3… compared with placebo (low certainty).

1 finding from 1 review