Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

43 questions · 43 findings · 12 reviews

No studies found 3 · 7%GRADE not reported 0 · 0%Very low 20 · 46.5%Low 16 · 37.2%Moderate 4 · 9.3%High 0 · 0%

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

Withdrawals due to adverse events · Patients with quiescent ulcerative colitis

It is very uncertain whether oral 5‐aminosalicylic acid changes withdrawal due to adverse events compared with comparator 5‐aminosalicylic acid formulation (very low certainty).

1 finding from 1 review

Allopurinol vs benzbromarone

Withdrawals due to adverse events · people with chronic gout

Allopurinol showed no clear difference in withdrawal due to adverse events compared with benzbromarone (low certainty).

1 finding from 1 review

Allopurinol vs placebo

Withdrawals due to adverse events · people with chronic gout

Allopurinol showed no clear difference in withdrawal due to adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Probiotic + 5‐aminosalicylic acid (5‐ASA) (mesalazine) vs 5‐aminosalicylic acid (5‐ASA) (mesalazine)

Withdrawals due to adverse events · Patients with quiescent ulcerative colitis

It is very uncertain whether probiotic + 5‐aminosalicylic acid (5‐ASA) (mesalazine) changes withdrawal due to adverse events (12 to 52 weeks) compared with 5‐ASA (mesalazine) (very low certainty).

1 finding from 1 review

Azathioprine or 6‐mercaptopurine vs 5‐aminosalicylic acid (5‐ASA) (mesalazine)

Withdrawals due to adverse events · people with surgically‐induced remission in Crohn's disease

Azathioprine or 6‐mercaptopurine may leads to higher withdrawal due to adverse events compared with 5‐aminosalicylic acid (low certainty).

1 finding from 1 review

Benzbromarone vs allopurinol

Withdrawals due to adverse events · people with chronic gout

Benzbromarone showed no clear difference in withdrawal due to adverse events compared with allopurinol (low certainty).

1 finding from 1 review