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CANHelp Working Group Treatment Trials

24 september 2019 uppdaterad av: Karen Goodman, University of Alberta

Canadian North Helicobacter Pylori (CANHelp) Working Group Treatment Trials

The CANHelp Working Group Treatment Trials are part of a comprehensive research program carried out by the Canadian North Helicobacter pylori (CANHelp) Working Group. The treatment component involves a series of community-specific trials designed with community input and varying on the specific treatment regimens and number of treatment arms among other study details.

Studieöversikt

Detaljerad beskrivning

The CANHelp Working Group is a collaborative team that links University of Alberta researchers with Canadian northern community leaders and health officials in a collaborative effort to investigate H. pylori infection with the goal of finding solutions to community concerns about health risks. The research program uses a community-driven research approach in northern communities to characterize the burden of disease from H. pylori infection and exchange knowledge with community members and decision makers to identify ways to reduce health risks from this infection.

For the participating communities, the treatment trials aim to:

  1. Estimate the effectiveness of alternate H. pylori treatment regimens to identify optimal regimens for the local setting
  2. Identify factors external to the treatment regimen that influence short- and long-term treatment success

Studietyp

Interventionell

Inskrivning (Faktisk)

338

Fas

  • Fas 4

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

    • Alberta
      • Edmonton, Alberta, Kanada, T6G 2E1
        • University of Alberta

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

16 år och äldre (Barn, Vuxen, Äldre vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • Over 15 years of age
  • Identified as H. pylori infected with a positive urea breath test and/or biopsy-based evidence of H. pylori infection

Exclusion Criteria:

  • Allergy to amoxicillin, metronidazole or clarithromycin
  • Antibiotic therapy within 4 weeks prior to randomization
  • Pregnant or breastfeeding
  • Severe cardio-respiratory, pulmonary, endocrine, hepatic or renal disease

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Enda

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Aktiv komparator: Standard Triple, treatment naive

Standard Triple Therapy for H. pylori:

Oral twice-daily doses of rabeprazole (20 mg), amoxicillin (1 g) and clarithromycin (500 mg)

One of two treatments randomly assigned to treatment naive participants in Aklavik

Oral twice-daily doses of rabeprazole (20 mg), amoxicillin (1 g) and clarithromycin (500 mg)
Andra namn:
  • Standard Triple Therapy for H. pylori
  • Hp-PAC
Aktiv komparator: Sequential, treatment naive

Sequential Therapy for H. pylori:

Oral twice-daily doses of rabeprazole (20 mg) and amoxicillin (1 g) on days 1-5, and on days 6-10, rabeprazole (20 mg), metronidazole (500 mg) and clarithromycin (500 mg)

One of two treatments randomly assigned to treatment naive participants in Aklavik, Old Crow, Tuktoyaktuk & Fort McPherson

Oral twice-daily doses of rabeprazole (20 mg) and amoxicillin (1 g) on days 1-5, and on days 6-10, rabeprazole (20 mg), metronidazole (500 mg) and clarithromycin (500 mg)
Andra namn:
  • Sequential Therapy for H. pylori
Aktiv komparator: Quadruple, treatment naive

Quadruple Thearpy for H. pylori:

Oral doses of rabeprazole (20 mg) twice daily, metronidazole (500 mg) three times daily, bismuth subsalicylate (Pepto-Bismol) (2 tablets) four times daily and tetracycline (500 mg) four times daily

One of two treatments randomly assigned to treatment naive participants in Old Crow, Tuktoyaktuk & Fort McPherson

Oral doses of rabeprazole (20 mg) twice daily, metronidazole (500 mg) three times daily, bismuth subsalicylate (Pepto-Bismol) (2 tablets) four times daily and tetracycline (500 mg) four times daily
Andra namn:
  • Quadruple Therapy for H. pylori
Aktiv komparator: Sequential, previous failure(s)

Sequential Therapy for H. pylori:

Oral twice-daily doses of rabeprazole (20 mg) and amoxicillin (1 g) on days 1-5, and on days 6-10, rabeprazole (20 mg), metronidazole (500 mg) and clarithromycin (500 mg)

One of two treatments randomly assigned to participants who previously failed one or more treatments in Aklavik, Old Crow, Tuktoyaktuk & Fort McPherson

Oral twice-daily doses of rabeprazole (20 mg) and amoxicillin (1 g) on days 1-5, and on days 6-10, rabeprazole (20 mg), metronidazole (500 mg) and clarithromycin (500 mg)
Andra namn:
  • Sequential Therapy for H. pylori
Aktiv komparator: Quadruple, previous failure(s)

Quadruple Therapy for H. pylori:

Oral doses of rabeprazole (20 mg) twice daily, metronidazole (500 mg) three times daily, bismuth subsalicylate (Pepto-Bismol) (2 tablets) four times daily and tetracycline (500 mg) four times daily

One of two treatments randomly assigned to participants who previously failed treatment in Aklavik, Old Crow, Tuktoyaktuk & Fort McPherson

Oral doses of rabeprazole (20 mg) twice daily, metronidazole (500 mg) three times daily, bismuth subsalicylate (Pepto-Bismol) (2 tablets) four times daily and tetracycline (500 mg) four times daily
Andra namn:
  • Quadruple Therapy for H. pylori
Aktiv komparator: Sequential, clarithromycin-resistant

Sequential Therapy for H. pylori:

Oral twice-daily doses of rabeprazole (20 mg) and amoxicillin (1 g) on days 1-5, and on days 6-10, rabeprazole (20 mg), metronidazole (500 mg) and clarithromycin (500 mg)

One of two treatments randomly assigned to participants with known clarithromycin resistance in Aklavik

Oral twice-daily doses of rabeprazole (20 mg) and amoxicillin (1 g) on days 1-5, and on days 6-10, rabeprazole (20 mg), metronidazole (500 mg) and clarithromycin (500 mg)
Andra namn:
  • Sequential Therapy for H. pylori
Aktiv komparator: Quadruple, clarithromycin-resistant

Quadruple Therapy for H. pylori:

Oral doses of rabeprazole (20 mg) twice daily, metronidazole (500 mg) three times daily, bismuth subsalicylate (Pepto-Bismol) (2 tablets) four times daily and tetracycline (500 mg) four times daily

One of two treatments randomly assigned to participants with known clarithromycin resistance in Aklavik

Oral doses of rabeprazole (20 mg) twice daily, metronidazole (500 mg) three times daily, bismuth subsalicylate (Pepto-Bismol) (2 tablets) four times daily and tetracycline (500 mg) four times daily
Andra namn:
  • Quadruple Therapy for H. pylori

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Post-treatment H. pylori status by urea breath test
Tidsram: A minimum of 10 weeks after participant has completed treatment

Treatment effectiveness, defined as the probability (average risk) of elimination of H. pylori infection following treatment, measured as the proportion of trial participants with a negative post-treatment urea breath test at least 10 weeks following completion of treatment. Using an intention-to-treat analysis, the denominator for this proportion is the number of trial participants assigned treatment. Using a per-protocol analysis, the denominator for this proportion is the number of trial participants who completed treatment and were tested post-treatment.

Participants are administered a urea breath test using 13C-labeled urea dissolved in a citric acid solution. We use the following test value classifications for determining the outcome:

>=4.0 (Positive for H. pylori infection) Between 2.5 and 4.0 (Borderline; repeat test) Between 2.4 and -1.99 (Negative for H. pylori infection) Less than -2.0 (Uncertain test result, repeat test)

A minimum of 10 weeks after participant has completed treatment

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Adherence to treatment regimen
Tidsram: An expected average of 1 week after treatment is completed
Participants are asked to return blister packs with unused medication so skipped doses can be counted. Participants are also interviewed to obtain details about their adherence to the regimen.
An expected average of 1 week after treatment is completed

Andra resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Frequency of adverse effects
Tidsram: From the time treatment is started to an expected average of 1 week after treatment is completed
Participants are contacted by telephone during the completion of the treatment regimen and asked if they have experienced adverse effects. Participants are also interviewed immediately after the completion of treatment and asked if they experienced adverse effects during the completion of treatment.
From the time treatment is started to an expected average of 1 week after treatment is completed

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Utredare

  • Huvudutredare: Karen Goodman, PhD, University of Alberta

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart

1 november 2008

Primärt slutförande (Faktisk)

1 maj 2019

Avslutad studie (Faktisk)

1 maj 2019

Studieregistreringsdatum

Först inskickad

9 oktober 2013

Först inskickad som uppfyllde QC-kriterierna

17 oktober 2013

Första postat (Uppskatta)

22 oktober 2013

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

26 september 2019

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

24 september 2019

Senast verifierad

1 september 2019

Mer information

Termer relaterade till denna studie

Andra studie-ID-nummer

  • Pro00007868

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

JA

IPD-planbeskrivning

No plan to make individual participant data (IPD) available

Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .

Kliniska prövningar på Helicobacter pylori-infektion

Kliniska prövningar på Standard Triple

3
Prenumerera