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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

2,395 questions in 172 reviews · Gut

current versions
No studies 420 · 17.5%Ungraded 60 · 2.5%Very low 821 · 34.3%Low 602 · 25.1%Moderate 397 · 16.6%High 95 · 4%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily
Clinical remission (9 weeks) · people with mild to moderately active ulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
RR 4.27 [1.07, 16.96]1 study · 31 participantsVery low
Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily
Clinical improvement (Mayo score) (9 weeks) · people with mild to moderately active ulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
RR 2.67 [1.06, 6.7]1 study · 31 participantsVery low
Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily
Quality of life · people with mild to moderately active ulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily
Total adverse events (9 weeks) · people with mild to moderately active ulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
RR 1.71 [0.72, 4.06]1 study · 31 participantsVery low
Corticosteroids vs placebo
Clinical improvement (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 1.74 [1.08, 2.8]6 studies · 583 participantsLow
Corticosteroids vs placebo
Histological improvement (dichotomous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 4.58 [1.66, 12.62]3 studies · 280 participantsModerate
Leukotriene receptor antagonist vs placebo
Clinical improvement (continuous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Leukotriene receptor antagonist vs placebo
Histological improvement (dichotomous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Leukotriene receptor antagonist vs placebo
Histological improvement (continuous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Leukotriene receptor antagonist vs placebo
Endoscopic improvement (dichotomous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Leukotriene receptor antagonist vs placebo
Endoscopic improvement (continuous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Leukotriene receptor antagonist vs placebo
Withdrawals due to adverse events at 26 weeks · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 2.1 [0.21, 21.39]1 study · 41 participantsVery low
Mepolizumab 10 mg/kg vs mepolizumab 0.55 mg/kg
Clinical improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 0.55 mg/kg
Clinical improvement at (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 0.55 mg/kg
Histological improvement at 12 weeks (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 1.19 [0.37, 3.77]1 study · 39 participantsVery low
Mepolizumab 10 mg/kg vs mepolizumab 0.55 mg/kg
Histological improvement (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Corticosteroids vs placebo
Histological improvement (continuous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted3 studies · 269 participantsModerate
Mepolizumab 10 mg/kg vs mepolizumab 0.55 mg/kg
Endoscopic improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 0.55 mg/kg
Endoscopic improvement (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 0.55 mg/kg
Withdrawals due to adverse events at 8 weeks · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 0.63 [0.12, 3.38]1 study · 39 participantsVery low
Mepolizumab 2.5 mg/kg vs mepolizumab 0.55 mg/kg
Clinical improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 2.5 mg/kg vs mepolizumab 0.55 mg/kg
Clinical improvement at (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 2.5 mg/kg vs mepolizumab 0.55 mg/kg
Histological improvement at 12 weeks (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 2.14 [0.79, 5.79]1 study · 39 participantsVery low
Mepolizumab 2.5 mg/kg vs mepolizumab 0.55 mg/kg
Histological improvement (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 2.5 mg/kg vs mepolizumab 0.55 mg/kg
Endoscopic improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 2.5 mg/kg vs mepolizumab 0.55 mg/kg
Endoscopic improvement (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 2.5 mg/kg vs mepolizumab 0.55 mg/kg
Withdrawals due to adverse events at 8 weeks · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 0.32 [0.04, 2.79]1 study · 39 participantsVery low
Corticosteroids vs placebo
Endoscopic improvement at study endpoint (dichotomous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 2.5 mg/kg
Clinical improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 2.5 mg/kg
Clinical improvement at (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 2.5 mg/kg
Histological improvement at 12 weeks (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 0.56 [0.23, 1.37]1 study · 40 participantsVery low
Mepolizumab 10 mg/kg vs mepolizumab 2.5 mg/kg
Histological improvement (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 2.5 mg/kg
Endoscopic improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 2.5 mg/kg
Endoscopic improvement (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Mepolizumab 10 mg/kg vs mepolizumab 2.5 mg/kg
Withdrawals due to adverse events at 8 weeks · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 2 [0.2, 20.33]1 study · 40 participantsVery low
Six‐food elimination diet vs swallowed fluticasone compared to swallowed budesonide compared to oral viscous budesonide
Clinical improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Six‐food elimination diet vs swallowed fluticasone compared to swallowed budesonide compared to oral viscous budesonide
Clinical improvement (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Six‐food elimination diet vs swallowed fluticasone compared to swallowed budesonide compared to oral viscous budesonide
Histological improvement at 8 weeks (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 64 participantsVery low
Corticosteroids vs placebo
Endoscopic improvement (continuous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted2 studies · 240 participantsVery low
Six‐food elimination diet vs swallowed fluticasone compared to swallowed budesonide compared to oral viscous budesonide
Histological improvement (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Six‐food elimination diet vs swallowed fluticasone compared to swallowed budesonide compared to oral viscous budesonide
Endoscopic improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Six‐food elimination diet vs swallowed fluticasone compared to swallowed budesonide compared to oral viscous budesonide
Endoscopic improvement (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Six‐food elimination diet vs swallowed fluticasone compared to swallowed budesonide compared to oral viscous budesonide
Withdrawals due to adverse events at 26 weeks · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Corticosteroids vs placebo
Withdrawals due to adverse events 12 to 50 weeks · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 0.37 [0.16, 0.87]3 studies · 280 participantsLow
Biologics vs placebo
Clinical improvement (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 1.14 [0.85, 1.52]5 studies · 410 participantsLow
Biologics vs placebo
Clinical improvement (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted7 studies · 387 participantsModerate
Biologics vs placebo
Histological improvement (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 6.73 [2.58, 17.52]8 studies · 925 participantsModerate
Biologics vs placebo
Histological improvement (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted6 studies · 370 participantsVery low
Biologics vs placebo
Endoscopic improvement (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 11 participantsLow
Corticosteroids vs placebo
Clinical improvement (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted5 studies · 475 participantsLow