Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

124 questions · 139 findings · 15 reviews

No studies found 31 · 22.3%GRADE not reported 14 · 10.1%Very low 27 · 19.4%Low 39 · 28.1%Moderate 23 · 16.5%High 5 · 3.6%

Methotrexate vs placebo

Maintenance of clinical remission · Participants with Crohn's disease in remission

Methotrexate probably leads to higher proportion of patients maintaining clinical remission compared with placebo (moderate certainty).

3 findings from 1 review

Methotrexate vs placebo

Treatment responsea · children and young people with JIA

Methotrexate may leads to higher treatment responsea(up to 6 months) compared with placebo (low certainty).

1 finding from 1 review

Methotrexate vs placebo

Global well‐being: rated by participants · children and young people with JIA

Methotrexate showed no clear difference in participant global assessment of well‐being(up to 6 months) compared with placebo (low certainty).

1 finding from 1 review

Methotrexate vs placebo

Serious adverse events(up to 6 months) · children and young people with JIA

Methotrexate showed no clear difference in serious adverse events(up to 6 months) compared with placebo (low certainty).

1 finding from 1 review

Methotrexate vs placebo

Withdrawals due to adverse events · children and young people with JIA

Methotrexate showed no clear difference in withdrawals due to adverse events (up to 6 months) compared with placebo (low certainty).

1 finding from 1 review

Methotrexate vs placebo

Disease response · psoriatic arthritis

Methotrexate may leads to higher disease response compared with placebo (low certainty).

1 finding from 1 review