Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

265 questions · 283 findings · 18 reviews · Skin

No studies found 59 · 20.8%GRADE not reported 20 · 7.1%Very low 45 · 15.9%Low 58 · 20.5%Moderate 64 · 22.6%High 37 · 13.1%

Corticosteroid creams/ointments: mometasone furoate cream 3 times/week vs 2 times/week

Primary outcome 3: Adverse events · people (all patch‐tested) with hand eczema > 6 months that had cleared upon daily treatment for a maximum of 9 weeks with mometasone…

Corticosteroid creams/ointments: mometasone furoate cream 3 times/week showed no clear difference in primary: adverse events compared with 2 times/week (low certainty).

1 finding from 1 review

Summary of findings table ‐ Intralesional classical immunosuppresants (betamethasone or triamcinolone) vs placebo

Short‐term hair regrowth ≥ 75% (between 12 and 26 weeks of · adults with alopecia areata

It is very uncertain whether summary of findings table ‐ Intralesional classical… changes short‐term hair regrowth ≥ 75% (between 12 and 26 weeks of compared with placebo (very low certainty).

1 finding from 1 review

Any systemic treatment vs placebo

Methotrexate · people with chronic plaque psoriasis

Any systemic treatment may leads to higher methotrexate compared with placebo (low certainty).

2 findings from 1 review

Intervention not reported

Methotrexate (1 RCT; 50 participants) · patients with moderate to severe eczema

It is very uncertain whether the intervention changes methotrexate (1 RCT; 50 participants) (very low certainty).

1 finding from 1 review

Metronidazole vs placebo

HRQOL ‐ not measured · Participants with rosacea

The review found no eligible studies for this question.

1 finding from 1 review

Metronidazole vs placebo

Participant‐assessed improvement in rosacea severity · Participants with rosacea
1 finding from 1 review

Metronidazole vs placebo

Proportion of participants with adverse event · Participants with rosacea

Metronidazole showed no clear difference in proportion of participants with adverse event compared with placebo (high certainty).

1 finding from 1 review

Metronidazole vs placebo

Physician‐assessed improvement in rosacea severity · Participants with rosacea

Metronidazole probably leads to higher physician‐assessed improvement in rosacea severity compared with placebo (moderate certainty).

1 finding from 1 review

Metronidazole vs placebo

Duration of remission · Participants with rosacea

Metronidazole probably leads to lower duration of remission compared with placebo (moderate certainty).

1 finding from 1 review

Oral methotrexate vs placebo

Primary outcome: complete clinical response (malar/discoid rash) · patients with cutaneous disease in systemic lupus erythematosus

Oral methotrexate may leads to higher primary outcome: complete clinical response (malar/discoid rash) compared with placebo (low certainty).

1 finding from 1 review