Findings

What do systematic reviews say?

13 questions · 13 findings · 5 reviews · Gut

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No studies found 1 · 7.7%GRADE not reported 0 · 0%Very low 4 · 30.8%Low 6 · 46.2%Moderate 2 · 15.4%High 0 · 0%

IV ferric carboxymaltose vs oral iron

Serious adverse events ‐ mild to moderate disease (16 weeks) · IBD patients

It is very uncertain whether IV ferric carboxymaltose changes serious adverse events ‐ mild to moderate disease (16 weeks) compared with oral iron sulphate (very low certainty).

1 finding from 1 review

Interventions for treating iron deficiency anaemia in inflammatory bowel disease 2021 · Cochrane Headline outcomes only
RR 8.81 [0.52, 149.07]
1 study · 200 participants
Very low

IV iron sucrose vs oral iron

Serious adverse events ‐ mild to moderate disease (16 weeks) · IBD patients

It is very uncertain whether IV iron sucrose changes serious adverse events ‐ mild to moderate disease (20 weeks) compared with oral iron sulphate (very low certainty).

1 finding from 1 review

Interventions for treating iron deficiency anaemia in inflammatory bowel disease 2021 · Cochrane Headline outcomes only
RR 3.07 [0.13, 73.32]
1 study · 91 participants
Very low

IV ferric carboxymaltose vs IV iron

Serious adverse events ‐ mild to moderate disease (12 weeks) · IBD patients

It is very uncertain whether IV ferric carboxymaltose changes serious adverse events ‐ mild to moderate disease (12 weeks) compared with IV iron sucrose (very low certainty).

1 finding from 1 review

Interventions for treating iron deficiency anaemia in inflammatory bowel disease 2021 · Cochrane Headline outcomes only
RR 2.94 [0.12, 71.78]
1 study · 485 participants
Very low

Tacrolimus vs beclometasone

Serious adverse events · adults with refractory, moderate‐to‐severe ulcerative colitis

Tacrolimus showed no clear difference in serious adverse events compared with beclometasone (low certainty).

1 finding from 1 review

Tacrolimus (FK506) for induction of remission in corticosteroid‐refractory ulcerative colitis 2022 · Cochrane Headline outcomes only
RR 3 [0.13, 71.7]
1 study · 88 participants
Low

Tacrolimus vs placebo

Serious adverse events · adults with refractory, moderate‐to‐severe ulcerative colitis

It is very uncertain whether tacrolimus changes serious adverse events compared with placebo (very low certainty).

1 finding from 1 review

Tacrolimus (FK506) for induction of remission in corticosteroid‐refractory ulcerative colitis 2022 · Cochrane Headline outcomes only
RR 2.44 [0.12, 48.77]
3 studies · 148 participants
Very low

Tacrolimus vs ciclosporin

Serious adverse events · adults with refractory, moderate‐to‐severe ulcerative colitis

The review found no eligible studies for this question.

1 finding from 1 review

Tacrolimus (FK506) for induction of remission in corticosteroid‐refractory ulcerative colitis 2022 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Oral 5‐ASA vs SASP

Serious adverse events · Patients with active mild to moderate ulcerative colitis

Oral 5‐ASA showed no clear difference in serious adverse events compared with SASP (low certainty).

1 finding from 1 review

Oral 5‐aminosalicylic acid for induction of remission in ulcerative colitis 2020 · Cochrane Headline outcomes only
RR 1.36 [0.28, 6.52]
2 studies · 107 participants
Low

Once daily dosing vs conventional dosing

Serious adverse events · Patients with active mild to moderate ulcerative colitis

Once daily dosing showed no clear difference in serious adverse events compared with conventional dosing (low certainty).

1 finding from 1 review

Oral 5‐aminosalicylic acid for induction of remission in ulcerative colitis 2020 · Cochrane Headline outcomes only
RR 1.34 [0.68, 2.66]
4 studies · 1586 participants
Low

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

Serious adverse events · Patients with active mild to moderate ulcerative colitis

Oral 5‐ASA showed no clear difference in serious adverse events compared with comparator 5‐ASA (low certainty).

1 finding from 1 review

Oral 5‐aminosalicylic acid for induction of remission in ulcerative colitis 2020 · Cochrane Headline outcomes only
RR 0.59 [0.22, 1.56]
4 studies · 677 participants
Low

Oral 5‐ASA vs placebo

Serious adverse events · Patients with active mild to moderate ulcerative colitis

Oral 5‐ASA showed no clear difference in serious adverse events compared with placebo (low certainty).

1 finding from 1 review

Oral 5‐aminosalicylic acid for induction of remission in ulcerative colitis 2020 · Cochrane Headline outcomes only
RR 0.53 [0.18, 1.56]
4 studies · 746 participants
Low

Briakinumab vs placebo

Serious adverse events · people with moderate to severe Crohn's disease in remission

Briakinumab showed no clear difference in serious adverse events compared with placebo (low certainty).

1 finding from 1 review

Anti‐IL‐12/23p40 antibodies for maintenance of remission in Crohn's disease 2019 · Cochrane Headline outcomes only
RR 0.31 [0.03, 3.21]
1 study · 104 participants
Low

Ustekinumab vs placebo

Serious adverse events · people with moderate to severe Crohn's disease in remission

Ustekinumab showed no clear difference in serious adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Anti‐IL‐12/23p40 antibodies for maintenance of remission in Crohn's disease 2019 · Cochrane Headline outcomes only
RR 0.74 [0.48, 1.15]
2 studies · 541 participants
Moderate

Vedolizumab vs placebo

Serious adverse events · Patients with moderately to severely active ulcerative colitis

Vedolizumab showed no clear difference in serious adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Vedolizumab for induction and maintenance of remission in ulcerative colitis 2014 · Cochrane Headline outcomes only
RR 1.01 [0.72, 1.42]
3 studies · 1122 participants
Moderate