Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

32 questions · 32 findings · 9 reviews · Skin

No studies found 5 · 15.6%GRADE not reported 2 · 6.3%Very low 7 · 21.9%Low 7 · 21.9%Moderate 10 · 31.3%High 1 · 3.1%

Oral retinoids: alitretinoin 10 mg vs placebo

Primary outcome 3: Adverse events · people with moderate to severe chronic hand eczema

Oral retinoids: alitretinoin 10 mg showed no clear difference in primary: all adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Oral retinoids: alitretinoin 30 mg vs placebo

Adverse effects: headache · people with moderate to severe chronic hand eczema

Oral retinoids: alitretinoin 30 mg leads to higher primary: adverse events ‐ headache Folluw‐up: 48 weeks to 72 weeks compared with placebo (high certainty).

1 finding from 1 review