Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

18 questions · 18 findings · 4 reviews · Gut

No studies found 11 · 61.1%GRADE not reported 0 · 0%Very low 3 · 16.7%Low 3 · 16.7%Moderate 0 · 0%High 1 · 5.6%

Probiotics vs placebo

Maintenance of clinical remission · Patients with quiescent ulcerative colitis

It is very uncertain whether probiotics changes maintenance of clinical remission (52 weeks) compared with placebo (very low certainty).

1 finding from 1 review

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

Maintenance of clinical remission · Patients with quiescent ulcerative colitis

Probiotic + 5‐aminosalicylic acid (5‐ASA) (mesalazine) showed no clear difference in maintenance of clinical remission (24 to 52 weeks) compared with 5‐ASA (mesalazine) (low certainty).

1 finding from 1 review