Evidence map›Paper›PMID 33512805›Full record

Trial reportClinical and translational gastroenterology2020

Relationship of the Esophageal Microbiome and Tissue Gene Expression and Links to the Oral Microbiome: A Randomized Clinical Trial.

Medini K Annavajhala, Michael May, Griselda Compres, Daniel E Freedberg, Roseanna Graham, Stephania Stump, Jianwen Que, Tal Korem, Anne-Catrin Uhlemann, Julian A Abrams

Open access · goldAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Clinical and translational gastroenterology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.1field-weighted citation impact, top 12% 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

19 citing papers in PubMed, 25 citations in OpenAlex.

  1. Review
  2. The Microbiome and Esophageal Disease: Where Are We Now?Current gastroenterology reports · 2026
    Review
  3. Article
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  6. Article
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  8. Altered Bacteria Abundance Is Associated With Outcomes in Head and Neck Squamous Cell Carcinoma.Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2025
    Article
  9. Saliva assay: a call for methodological standardization.Journal of periodontal & implant science · 2025
    Review
  10. Review
  11. The Salivary Microbiome and Predicted Metabolite Production Are Associated with Barrett's Esophagus and High-Grade Dysplasia or Adenocarcinoma.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2024
    Article
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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

10 authors at 2 institutions in 1 country.

Medini K AnnavajhalaDepartment of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
Michael MayDepartment of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
Griselda CompresDepartment of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
Daniel E FreedbergDepartment of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
Roseanna GrahamCollege of Dental Medicine, Columbia University, New York, New York, USA.
Stephania StumpDepartment of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
Jianwen QueDepartment of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
Tal KoremDepartment of Systems Biology, Columbia University, New York, New York, USA.
Anne-Catrin UhlemannDepartment of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
Julian A AbramsDepartment of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
Columbia University Irving Medical Center · USColumbia University · US

Funding

Weight loss-induced Microbiome and Adipokine Changes in Barrett's EsophagusU54CA163004 · NCI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI ABRAMS, JULIAN, RUSTGI, ANIL K · 2011 to 2022
$12.5M
Basal Progenitor Cells and Eosinophilic EsophagitisR01DK100342 · NIDDK · UNIVERSITY OF ROCHESTER · PI QUE, JIANWEN · 2014 to 2022
$3.3M
The Oral Microbiome for the Detection of Barretts EsophagusR01CA238433 · NCI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI ABRAMS, JULIAN · 2019 to 2023
$2.6M
Carbapenem-resistant bacterial colonization and infection after liver transplantR01AI116939 · NIAID · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI UHLEMANN, ANNE-CATRIN · 2015 to 2019
$2.4M
The role of the microbiome in HPV-associated cervical cancer in women with HIVR01CA245894 · NCI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI UHLEMANN, ANNE-CATRIN · 2020 to 2024
$2.3M
Signaling Mechanisms Promoting Barrett’s MetaplasiaR01DK120650 · NIDDK · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI QUE, JIANWEN · 2019 to 2022
$1.8M
Barrett's esophagus and progenitor cells at the squamous-columnar junctionR01DK113144 · NIDDK · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI QUE, JIANWEN · 2017 to 2020
$1.4M
Loss of Gastrointestinal Colonization Resistance and Antibiotic-Resistant Infections in the Intensive Care UnitK23DK111847 · NIDDK · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI FREEDBERG, DANIEL E. · 2017 to 2020
$608k
NCI NIH HHS R01 CA238433NCI NIH HHS R01 CA245894NCI NIH HHS U54 CA163004NIAID NIH HHS R01 AI116939NIDDK NIH HHS K23 DK111847NIDDK NIH HHS R01 DK100342NIDDK NIH HHS R01 DK113144NIDDK NIH HHS R01 DK120650
6 · The paper itself

Abstract

introductionAlthough the microbiome is altered in various esophageal diseases, there is no direct evidence for a link between the oral or esophageal microbiome and underlying esophageal tissue. Here, we aimed to address these gaps through use of an antimicrobial mouth rinse to modify the esophageal microbiome and tissue gene expression.

methodsIn this randomized controlled trial, patients scheduled to undergo endoscopy for clinical indications used chlorhexidine mouth rinse or no treatment for 2 weeks before endoscopy. Oral swabs and saliva were collected at baseline and at follow-up, and the esophagus was sampled on the day of endoscopy. The microbiome was analyzed by 16S rRNA gene sequencing, and esophageal tissue gene expression was ascertained by RNA-Seq.

resultsTwenty subjects were enrolled and included in the analyses. Within individuals, the oral and esophageal microbiome composition was significantly correlated. Chlorhexidine treatment associated with significant alterations to the relative abundance of several esophageal bacterial taxa, and to expression of genes in the esophagus including reductions in periostin, claudin-18, chemokines CXCL1 and CXCL13, and several members of the tumor necrosis factor receptor superfamily. A taxon in genus Haemophilus in the esophagus also associated with significant changes in tissue gene expression. DISCUSSION: The oral and esophageal microbiomes are closely related within individuals, and esophageal microbiome alterations correlate with tissue gene expression changes. The esophageal microbiome may act as an important cofactor that influences pathogenesis and outcomes of diseases such as eosinophilic esophagitis, gastroesophageal reflux, and Barrett's esophagus.

Indexed as

AdultAgedBarrett EsophagusBiopsyChlorhexidineDNA, BacterialEosinophilic EsophagitisEsophageal MucosaEsophagoscopyFemaleFollow-Up StudiesGastroesophageal RefluxGastrointestinal MicrobiomeGene Expression RegulationHost Microbial InteractionsHumansChlorhexidineDNA, BacterialMouthwashesRNA, Ribosomal, 16S

Identifiers

PMID33512805
PMCPMC7721221
OpenAlexW3113132544

What OpenQuestion holds

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LicenceCC BY
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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.