Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

452 questions · 459 findings · 27 reviews

No studies found 107 · 23.3%GRADE not reported 89 · 19.4%Very low 98 · 21.4%Low 75 · 16.3%Moderate 68 · 14.8%High 22 · 4.8%

LongoVital (herbal component alone) vs placebo

Adverse effects · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…
1 finding from 1 review

Prebiotic vs placebo

Withdrawals due to adverse events · people with mild‐to‐moderate disease (Rachmilewitz index) or active disease (SCCAI score of 4 to 10)

It is very uncertain whether prebiotics changes withdrawals due to adverse events (14 days to 2 or 3 months) compared with placebo (very low certainty).

1 finding from 1 review

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

Failure to maintain clinical remission at end of study · Patients with quiescent ulcerative colitis

It is very uncertain whether antibiotics changes failure to maintain clinical remission at end of study compared with 5‐ASA (very low certainty).

1 finding from 1 review