Evidence map›Paper›PMID 24340314›Full record

Trial reportCanadian journal of gastroenterology = Journal canadien de gastroenterologie2013

A randomized controlled trial comparing sequential with triple therapy for Helicobacter pylori in an Aboriginal community in the Canadian North.

Amy L Morse, Karen J Goodman, Rachel Munday, Hsiu-Ju Chang, John Wi Morse, Monika Keelan, Janis Geary, Veldhuyzen van Zanten Sander, CANHelp Working Group

Erratum issuedOpen access · goldAbstract readComparative StudyRandomized Controlled Trial
In one paragraph

Trial report in Canadian journal of gastroenterology = Journal canadien de gastroenterologie, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 16 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 3 pooled it
2.0field-weighted citation impact, top 14% 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

16 citing papers in PubMed, 3 syntheses or guidelines pooled it, 26 citations in OpenAlex.

  1. Guideline
  2. Guideline
  3. Pooled it
  4. Trial
  5. Increasing our knowledge about the epidemiology ofInternational journal of circumpolar health · 2024
    Article
  6. Success ofJournal of the Canadian Association of Gastroenterology · 2024
    Article
  7. Article
  8. Review
  9. The status and progress of first-line treatment againstTherapeutic advances in gastroenterology · 2021
    Review
  10. Clarithromycin Versus Metronidazole in First-LineJournal of clinical medicine · 2020
    Article
  11. Article
  12. Article
  13. Article
  14. First-line therapies forAnnals of gastroenterology · 2017
    Review
  15. Article
  16. What is the best regimen for Helicobacter pylori eradication in Canadian Arctic Aboriginals?Canadian journal of gastroenterology = Journal canadien de gastroenterologie · 2013
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors at 3 institutions in 1 country.

Amy L Morse
Karen J Goodman
Rachel Munday
Hsiu-Ju Chang
John Wi Morse
Monika Keelan
Janis Geary
Veldhuyzen van Zanten Sander
CANHelp Working Group
University of Alberta · CAGovernment of Northwest Territories · CAHusky Energy (Canada) · CA

Funding

Canadian Institutes of Health Research
6 · The paper itself

Abstract

backgroundHelicobacter pylori infection occurs more frequently in Arctic Aboriginal settings than elsewhere in North America and Europe. Research aimed at reducing health risks from H pylori infection has been conducted in the Aboriginal community of Aklavik, Northwest Territories.

objectiveTo compare the effectiveness of the Canadian standard therapy with an alternative therapy for eliminating H pylori infection in Aklavik.

methodsTreatment-naive H pylori-positive individuals were randomly assigned to a 10-day regimen (oral twice-daily doses) with rabeprazole (20 mg): standard triple therapy (proton pump inhibitor, added clarithromycin [500 mg] and amoxicillin [1 g] [PPI-CA]); sequential therapy (ST) added amoxicillin (1 g) on days 1 to 5, and metronidazole (500 mg) and clarithromycin (500 mg) on days 6 to 10. Participants with clarithromycin-resistant H pylori were randomly assigned to ST or quadruple therapy. Treatment effectiveness was estimated as per cent (95% CI) with a negative urea breath test at least 10 weeks after treatment.

resultsOf 104 (53 PPI-CA, 51 ST) randomized participants, 89 (49 PPI-CA, 40 ST) had post-treatment results. Per-protocol treatment effectiveness was 59% (95% CI 45% to 73%) for PPI-CA and 73% (95% CI 58% to 87%) for ST. Based on intention to treat, effectiveness was 55% (95% CI 41% to 69%) for PPI-CA and 57% (95% CI 43% to 71%) for ST. Of 77 participants (43 PPI-CA, 34 ST) with 100% adherence, effectiveness was 63% (95% CI 43% to 82%) for PPI-CA and 81% (95% CI 63% to 99%) for ST.

conclusionsWhile additional evidence is needed to confirm that ST is more effective for Arctic Aboriginal communities than the Canadian standard H pylori treatment, these results show standard PPI-CA treatment to be inadequate for communities such as Aklavik.

Indexed as

Helicobacter pyloriInuitAdultAmoxicillinAnti-Bacterial AgentsBreath TestsClarithromycinDrug Resistance, BacterialDrug Therapy, CombinationFemaleHelicobacter InfectionsHumansMaleMedication AdherenceMetronidazoleMiddle AgedAmoxicillinAnti-Bacterial AgentsClarithromycinMetronidazoleProton Pump InhibitorsRabeprazole

Identifiers

PMID24340314
PMCPMC3915012
OpenAlexW1644545880

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.