Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

839 questions · 881 findings · 73 reviews

No studies found 246 · 27.9%GRADE not reported 156 · 17.7%Very low 219 · 24.9%Low 136 · 15.4%Moderate 90 · 10.2%High 34 · 3.9%

TNF‐alpha antagonists vs placebo

IBDQ at weeks 6 or 8 · people with active UC

TNF‐alpha antagonists leads to higher improved IBDQ at weeks 6 or 8 compared with placebo (high certainty).

2 findings from 1 review

Etrolizumab vs placebo

Failure to induce clinical remission at end of study · patients with induction of remission in ulcerative colitis

Etrolizumab probably leads to lower failure to enter clinical remission at week 10 compared with placebo (moderate certainty).

2 findings from 1 review

Etrolizumab vs placebo

Failure to respond at endpoint (6‐12 weeks) · patients with induction of remission in ulcerative colitis

Etrolizumab showed no clear difference in failure to respond at week 10 compared with placebo (moderate certainty).

1 finding from 1 review

Etrolizumab vs placebo

Failure to induce endoscopic remission · patients with induction of remission in ulcerative colitis

Etrolizumab showed no clear difference in failure to enter endoscopic remission at week 6 compared with placebo (moderate certainty).

2 findings from 1 review

Methotrexate vs placebo

Remission and complete withdrawal from steroids · patients with induction of remission in ulcerative colitis

Methotrexate showed no clear difference in remission and complete withdrawal from steroids compared with placebo (low certainty).

1 finding from 1 review