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NCT Number: NCT03557437

High Dose of Amoxicillin and Metronidazole Plus Bismuth For Helicobacter Pylori Treatment

Amoxicillin and metronidazole （400mg Q.D.S） based quadruple therapy had achieved a high cure rate in the rescue treatment of helicobacter pylori infection. This study aims to evaluate the efficacy and safety of the amoxicillin and metronidazole (400mg thrice a day) based triple therapy and the addition of bismuth in the naive patients with helicobacter pylori infection.

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Key information

Conditions

Helicobacter Pylori Infection

Age range

18 year–80 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 4

Primary location

Renji Hospital, School of Medicine, Shanghai Jiao Tong University

Shanghai, Shanghai Municipality, 200127, China

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Participants with non-ulcer functional dyspepsia or peptic ulcer disease
  • Ability and willingness to participate in the study and to sign and give informed consent
  • Confirmed H. pylori infection and with no previous treatment experience

Exclusion criteria

  • Less than 18 years old
  • With previous gastric surgery
  • Major systemic diseases
  • Pregnancy or lactation
  • Allergy to any of the study drugs Administration of antibiotics, bismuth, antisecretory drugs in 8 weeks prior to inclusion

Treatment and study plan

Esomeprazole

Drug

Proton pump inhibitor

Amoxicillin, Metronidazole

Drug

Antibiotics for H. pylori eradication

Bismuth Potassium Citrate

Drug

Gastric mucosal protective drug with anti-H. pylori effect

Primary outcomes

  1. Helicobacter pylori eradication rate

    Time frame: Six weeks after completion of therapy

    Six weeks after completion of therapy, H. pylori eradication was assessed by ¹³C-urea breath test. Eradication was defined as negative result from urea breath test (<4‰) (4‰ as the cutoff value).

Secondary outcomes

  1. Rate of adverse effects

    Time frame: Within 7 days after completion of therapy

    The subjects were asked to grade the severity of adverse events according to their influence on daily activities, experienced as "mild" (transient and well tolerated), "moderate" (causing discomfort and partially interfering with daily activities), or "severe" (causing considerable interference with daily activities)

  2. Compliance rate

    Time frame: Within 7 days after completion of therapy

    Compliance was defined as poor when they had taken less than 80% of the total medication

Sponsors and collaborators

Lead sponsor

Shanghai Jiao Tong University School of Medicine

Other

Registry information

Official study title

Efficacy of High Dose of Amoxicillin And Metronidazole Plus Bismuth For Helicobacter Pylori Treatment In Naive Patients : A Randomized Clinical Trial

Important dates

Study start
2018
Primary completion
2019
Study completion
2019
First posted
Jun 15, 2018
Registry last updated
Jun 18, 2019

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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