Evidence map›Paper›PMID 9824338›Full record

Trial reportGut1998

Effect of omeprazole 20 mg twice daily on duodenogastric and gastro-oesophageal bile reflux in Barrett's oesophagus.

R E Marshall, A Anggiansah, D K Manifold, W A Owen, W J Owen

Open access · bronzeAbstract readClinical TrialComparative Study
In one paragraph

Trial report in Gut, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
4.9field-weighted citation impact, top 5% 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

24 citing papers in PubMed, 1 synthesis or guideline pooled it, 98 citations in OpenAlex.

  1. Pooled it
  2. Rabeprazole combined with hydrotalcite is effective for patients with bile reflux gastritis after cholecystectomy.Canadian journal of gastroenterology = Journal canadien de gastroenterologie · 2010
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  6. Article
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  10. In vitro effects of rabeprazole on human pylorus tone.Journal of neurogastroenterology and motility · 2015
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  13. Review
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  15. Article
  16. Review
  17. Ambulatory pH Monitoring: New Advances and Indications.Gastroenterology & hepatology · 2006
    Article
  18. Duodenogastric Reflux-induced (Alkaline) Esophagitis.Current treatment options in gastroenterology · 2004
    Article
  19. Article
  20. 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

5 authors at 1 institution in 1 country.

R E MarshallDepartment of Surgery, Guy's Hospital, London, UK.
A Anggiansah
D K Manifold
W A Owen
W J Owen
Guy's Hospital · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundBoth acid and duodenal contents are thought to be responsible for the mucosal damage in Barrett's oesophagus, a condition often treated medically. However, little is known about the effect of omeprazole on duodenogastric reflux (DGR) and duodenogastro-oesophageal reflux (DGOR).

aimsTo study the effect of omeprazole 20 mg twice daily on DGR and DGOR, using the technique of ambulatory bilirubin monitoring.

methodsTwenty three patients with Barrett's oesophagus underwent manometry followed by 24 hour oesophageal and gastric pH monitoring. In conjunction with pH monitoring, 11 patients (group 1) underwent oesophageal bilirubin monitoring and 12 patients (group 2) underwent gastric bilirubin monitoring, both before and during treatment with omeprazole 20 mg twice daily.

resultsIn both groups there was a significant reduction in oesophageal acid (pH<4) reflux (p<0.005) and a significant increase in the time gastric pH was above 4 (p<0.005). In group 1, median total oesophageal bilirubin exposure was significantly reduced from 28.9% to 2.4% (p<0.005). In group 2, median total gastric bilirubin exposure was significantly reduced from 24.9% to 7.2% (p<0.005).

conclusionsTreatment of Barrett's oesophagus with omeprazole 20 mg twice daily results in a notable reduction in the exposure of the oesophagus to both acid and duodenal contents. In addition, delivery of duodenal contents to the upper gastric body is reduced.

Indexed as

AdultAgedAged, 80 and overAnti-Ulcer AgentsBarrett EsophagusBile RefluxBilirubinDrug Administration ScheduleDuodenogastric RefluxFemaleGastroesophageal RefluxHumansHydrogen-Ion ConcentrationMaleManometryMiddle AgedAnti-Ulcer AgentsBilirubinOmeprazole

Identifiers

PMID9824338
PMCPMC1727328
OpenAlexW2111249295

What OpenQuestion holds

Textmetadata
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.