Evidence map›Paper›PMID 19760778›Full record

SynthesisInflammatory bowel diseases2010

Association between Helicobacter pylori infection and inflammatory bowel disease: a meta-analysis and systematic review of the literature.

Jay Luther, Maneesh Dave, Peter D R Higgins, John Y Kao

Open access · bronzeAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Inflammatory bowel diseases, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 127 papers, 6 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
127citing papers in PubMed, 6 pooled it
10.6field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

127 citing papers in PubMed, 6 syntheses or guidelines pooled it, 221 citations in OpenAlex.

  1. To eradicate or not?Frontiers in medicine · 2026
    Pooled it
  2. Pooled it
  3. Pooled it
  4. Pooled it
  5. Pooled it
  6. Pooled it
  7. Trial
  8. Article
  9. Effect ofTherapeutic advances in gastroenterology · 2026
    Review
  10. JGH open : an open access journal of gastroenterology and hepatology · 2025
    Review
  11. The Controversies in the Relationship BetweenJournal of clinical medicine · 2025
    Review
  12. Article
  13. Effect ofImmunotherapy · 2025
    Review
  14. Review
  15. Review
  16. Developing a potent vaccine againstExpert reviews in molecular medicine · 2024
    Review
  17. Impact ofDiseases (Basel, Switzerland) · 2024
    Review
  18. Article
  19. IsThe Korean journal of helicobacter and upper gastrointestinal research · 2024
    Article
  20. Disease trends afterWorld journal of gastroenterology · 2023
    Article

67 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 3 institutions in 1 country.

Jay LutherUniversity of Michigan Medical Center, Ann Arbor, Michigan, USA. jayluthe@umich.edu
Maneesh Dave
Peter D R Higgins
John Y Kao
University of Michigan–Ann Arbor · USAnn Arbor VA Medical Center · USWayne State University · US

Funding

Adaptive immune mechanism in acute H. pylori infectionK08DK069907 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI KAO, JOHN Y · 2005 to 2009
$716k
The impact of Helicobacter pylori infection on inflammatory bowel disease susceptR03DK081678 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI KAO, JOHN Y · 2008 to 2009
$150k
NIDDK NIH HHS K08 DK069907NIDDK NIH HHS R03 DK081678
6 · The paper itself

Abstract

backgroundEpidemiologic data suggest a protective effect of Helicobacter pylori infection against the development of autoimmune disease. Laboratory data illustrate H. pylori's ability to induce immune tolerance and limit inflammatory responses. Numerous observational studies have investigated the association between H. pylori infection and inflammatory bowel disease (IBD). Our aim was to perform a systematic review and meta-analysis of this association.

methodsMedline, EMBASE, bibliographies, and meeting abstracts were searched by 2 independent reviewers. Of 369 abstracts reviewed, 30 promising articles were reviewed in detail. Twenty-three studies met our inclusion criteria (subject N = 5903). Meta-analysis was performed with the metan command in Stata 10.1.

resultsOverall, 27.1% of IBD patients had evidence of infection with H. pylori compared to 40.9% of patients in the control group. The estimated relative risk of H. pylori infection in IBD patients was 0.64 (95% confidence interval [CI]: 0.54-0.75). There was significant heterogeneity in the included studies that could not be accounted for by the method of IBD and H. pylori diagnosis, study location, or study population age.

conclusionsThese results suggest a protective benefit of H. pylori infection against the development of IBD. Heterogeneity among studies and the possibility of publication bias limit the certainty of this finding. Further studies investigating the effect of eradication of H. pylori on the development of IBD are warranted. Because environmental hygiene and intestinal microbiota may be strong confounders, further mechanistic studies in H. pylori mouse models are also necessary to further define the mechanism of this negative association.

Indexed as

AnimalsFemaleHelicobacter InfectionsHelicobacter pyloriHumansInflammatory Bowel DiseasesMaleMiceRandomized Controlled Trials as TopicRisk FactorsUnited States

Identifiers

PMID19760778
PMCPMC4865406
OpenAlexW2039875876

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.