Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

72 questions · 74 findings · 11 reviews · Gut

No studies found 24 · 32.4%GRADE not reported 0 · 0%Very low 23 · 31.1%Low 14 · 18.9%Moderate 9 · 12.2%High 4 · 5.4%

Budesonide 15 mg vs placebo

Clinical improvement (decrease in CDAI > 100 or total CDAI <= 150) ‐ 8 weeks · Patients with active Crohn's disease

Budesonide 15 mg showed no clear difference in clinical improvement (decrease in CDAI > 100 or total CDAI <= 150) ‐… compared with placebo (low certainty).

1 finding from 1 review

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 (high dose… compared with placebo (moderate certainty).

2 findings from 1 review