Evidence map›Paper›PMID 35403776›Full record

ReviewNeurogastroenterology and motility2022

Role of the duodenal microbiota in functional dyspepsia.

Georgia Brown, Emily C Hoedt, Simon Keely, Ayesha Shah, Marjorie M Walker, Gerald Holtmann, Nicholas J Talley

Registry-linked trialOpen access · greenAbstract readReview
In one paragraph

Review in Neurogastroenterology and motility, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07577089 (Multimodal Phenotyping of Functional Dyspepsia), which is not on this map. Cited by 33 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed, 2 pooled it
6.9field-weighted citation impact, top 2% 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.

NCT07577089 nanot yet recruitingnot on this mapstarted 2026, after this paper: background citation

Multimodal Phenotyping of Functional Dyspepsia: Controlled Trial on Response to Cognitive-Behavioral Therapy in Subtypes of Epigastric Pain Syndrome and Postprandial Discomfort Syndrome

TypeinterventionalSponsorAzienda Ospedaliera Specializzata in Gastroenterologia Saverio de BellisRan2026 to 2028Enrolled90ConditionsFunctional Dyspepsia, Epigastric Pain Syndrome, Postprandial Distress SyndromeArmsOptimized Standard Treatment (OPT), Cognitive Behavioral Therapy + Optimized Standard Treatment (CBT + OPT)
3 · Its place in the literature

Who cites it

33 citing papers in PubMed, 2 syntheses or guidelines pooled it, 46 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Sex-Specific Differences in Dyspeptic Symptoms in Children Are Attenuated byPediatric gastroenterology, hepatology & nutrition · 2026
    Article
  4. Article
  5. Article
  6. Review
  7. Mechanisms and clinical implications of gut-brain interactions.The Journal of clinical investigation · 2026
    Review
  8. Review
  9. Article
  10. Article
  11. Article
  12. Review
  13. Review
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. [The Relationship of Dysbiosis of Duodenal Microbiome and Functional Dyspepsia].The Korean journal of helicobacter and upper gastrointestinal research · 2024
    Review
  20. Analysis of composition of gut microbial community in a rat model of functional dyspepsia treated with Simo Tang.Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan · 2024
    Article
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

7 authors at 3 institutions in 1 country.

Georgia BrownSchool of Medicine and Public Health, University of Newcastle, Newcastle, New South Wales, Australia.
Emily C HoedtAGIRA (Australian Gastrointestinal Research Alliance), Newcastle, New South Wales, Australia.
Simon KeelyAGIRA (Australian Gastrointestinal Research Alliance), Newcastle, New South Wales, Australia.
Ayesha ShahAGIRA (Australian Gastrointestinal Research Alliance), Newcastle, New South Wales, Australia.
Marjorie M WalkerSchool of Medicine and Public Health, University of Newcastle, Newcastle, New South Wales, Australia.
Gerald HoltmannAGIRA (Australian Gastrointestinal Research Alliance), Newcastle, New South Wales, Australia.ORCID 0000-0002-0206-2358
Nicholas J TalleySchool of Medicine and Public Health, University of Newcastle, Newcastle, New South Wales, Australia.ORCID 0000-0003-2537-3092
Hunter Medical Research Institute · AUAustralasian Gastro Intestinal Research Foundation · AUThe University of Queensland · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundFunctional dyspepsia (FD) is a common and debilitating gastrointestinal disorder attributed to altered gut-brain interactions. While the etiology of FD remains unknown, emerging research suggests the mechanisms are likely multifactorial and heterogenous among patient subgroups. Small bowel motor disturbances, visceral hypersensitivity, chronic microinflammation, and increased intestinal tract permeability have all been linked to the pathogenesis of FD. Recently, alterations to the gut microbiome have also been implicated to play an important role in the disease. Changes to the duodenal microbiota may either trigger or be a consequence of immune and neuronal disturbances observed in the disease, but the mechanisms of influence of small intestinal flora on gastrointestinal function and symptomatology are unknown. PURPOSE: This review summarizes and synthesizes the literature on the link between the microbiota, low-grade inflammatory changes in the duodenum and FD. This review is not intended to provide a complete overview of FD or the small intestinal microbiota, but instead outline some of the key conceptual advances in understanding the interactions between altered gastrointestinal bacterial communities; dietary factors; host immune activation; and stimulation of the gut-brain axes in patients with FD versus controls. Current and emerging treatment approaches such as dietary interventions and antibiotic or probiotic use that have demonstrated symptom benefits for patients are reviewed, and their role in modulating the host-microbiota is discussed. Finally, suggested opportunities for diagnostic and therapeutic improvements for patients with this condition are presented.

Indexed as

DyspepsiaGastrointestinal DiseasesGastrointestinal MicrobiomeAnti-Bacterial AgentsDuodenumHumansAnti-Bacterial Agentsdisorders of gut-brain interactiondysbiosisfunctional dyspepsiafunctional gastrointestinal disordersintestinal mucosamicrobiotasmall intestinal bacterial overgrowth

Identifiers

PMID35403776
PMCPMC9786680
OpenAlexW4223585097

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

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 Socratic graph.