Cochrane · systematic review · CD005583

Helicobacter pylori eradication for the prevention of gastric neoplasia

Ford, AC, Yuan, Y, Forman, D, et al. · Cochrane Database of Systematic Reviews · 2020 · Cochrane Library

Gut2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
5
current version
GRADE rated
4
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 1 · 20%Very low 0 · 0%Low 0 · 0%Moderate 4 · 80%High 0 · 0%

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.

Questions and results

Current version only

H. pylori eradication therapy compared to control for the prevention of gastric neoplasia in healthy asymptomatic infected individuals

Population: healthy asymptomatic H. pylori‐infected individuals
CD005583.PUB3 (current) · 5 questions
OutcomeEffectEvidenceStatus / GRADE
Incidence of gastric cancer ‐ modified ITT analysisHistological examination
H. pylori eradication therapy vs control
RR 0.54 [0.4, 0.72]7 studies · 8323 participantsModerate
Downgraded: risk of bias, inconsistency, publication bias
Death from gastric cancer ‐ modified ITT analysis
H. pylori eradication therapy vs control
RR 0.61 [0.4, 0.92]4 studies · 6301 participantsModerate
Downgraded: risk of bias, inconsistency, publication bias
Death from all causes ‐ modified ITT analysis
H. pylori eradication therapy vs control
RR 0.97 [0.85, 1.12]5 studies · 7079 participantsModerate
Downgraded: risk of bias, inconsistency, publication bias
Incidence of oesophageal squamous cell carcinoma ‐ modified ITT analysis
H. pylori eradication therapy vs control
RR 1.22 [0.59, 2.54]2 studies · 3888 participantsModerate
Adverse events
H. pylori eradication therapy vs control
no estimate extracted0 studies · 0 participantsUngraded

H. pylori eradication therapy compared to control for the prevention of gastric neoplasia in healthy asymptomatic infected individuals

Population: healthy asymptomatic H. pylori‐infected individuals
CD005583.PUB2 · 5 questions
OutcomeEffectEvidenceStatus / GRADE
Incidence of gastric cancer ‐ modified ITT analysis Histological examination
H. pylori eradication therapy vs control
RR 0.66 [0.46, 0.95]6 studies · 6497 participantsModerate
Downgraded: risk of bias, inconsistency, publication bias
Death from gastric cancer ‐ modified ITT analysis
H. pylori eradication therapy vs control
RR 0.67 [0.4, 1.11]3 studies · 4475 participantsModerate
Downgraded: risk of bias, inconsistency, publication bias
Death from all causes ‐ modified ITT analysis
H. pylori eradication therapy vs control
RR 1.09 [0.86, 1.38]4 studies · 5253 participantsModerate
Downgraded: risk of bias, inconsistency, publication bias
Incidence of oesophageal squamous cell carcinoma ‐ modified ITT analysis
H. pylori eradication therapy vs control
RR 1.99 [0.18, 21.91]1 study · 1630 participantsModerate
Downgraded: imprecision
Adverse events
H. pylori eradication therapy vs control
no estimate extracted0 studies · 0 participantsUngraded