Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

2,293 questions · 2,395 findings · 172 reviews · Gut

No studies found 420 · 17.5%GRADE not reported 60 · 2.5%Very low 821 · 34.3%Low 602 · 25.1%Moderate 397 · 16.6%High 95 · 4%

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

Budesonide 6 mg vs placebo

Remission · Participants with Crohn's disease in remission

Budesonide 6 mg showed no clear difference in continued remission at 3 months compared with placebo (low certainty).

3 findings from 1 review

Budesonide 3 mg vs placebo

Remission · Participants with Crohn's disease in remission

Budesonide 3 mg probably leads to higher continued remission at 3 months compared with placebo (moderate certainty).

3 findings from 1 review

Budesonide 6 mg vs budesonide

Remission · Participants with Crohn's disease in remission

Budesonide 6 mg showed no clear difference in continued remission at 3 months compared with budesonide 3 mg (moderate certainty).

3 findings from 1 review

Methotrexate vs placebo

Failure to enter remission or possible remission at 16 weeks (Arora 1999) · adult patients with refractory Crohn's disease

Methotrexate showed no clear difference in failure to enter remission or possible remission at 16 weeks (Arora… compared with placebo (low certainty).

3 findings from 1 review

Methotrexate vs 6‐MP or azathioprine

Withdrawals due to adverse events · adult patients with refractory Crohn's disease

It is very uncertain whether methotrexate changes withdrawal due to adverse event (Oren 1997) compared with 6‐MP or azathioprine (very low certainty).

3 findings from 1 review

Methotrexate vs 5‐aminosalicylic acid (5‐ASA) (mesalazine)

Failure to enter remission or possible remission at 16 weeks (Arora 1999) · adult patients with refractory Crohn's disease

It is very uncertain whether methotrexate changes failure to enter remission or possible remission at 30 weeks… compared with 5‐ASA (very low certainty).

1 finding from 1 review

Methotrexate + infliximab vs infliximab

Failure to enter remission at 14 weeks or 24 weeks (Feagan 2014) · adult patients with refractory Crohn's disease

Methotrexate + infliximab showed no clear difference in failure to enter remission at 14 weeks or 24 weeks (Feagan 2014) compared with infliximab alone (low certainty).

2 findings from 1 review