About this trial
Helicobacter pylori (H. pylori) infection, affecting an estimated 50% of the global population, is a main cause of chronic gastritis, peptic ulcers and gastric cancer. By causing progressive damage to the stomach and may eventually result in gastric atrophy, H. pylori infection has been demonstrated to be responsible for more than 95% of gastric malignancies
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients with H. pylori infection;
Aged 18-65 years.
Disqualifiers
Patients with gastrectomy, acute GI bleeding and advanced gastric cancer;
Conditions unsuitable for performance of gastroscopy, such as coagulopathy, impaired renal function;
Pregnancy or breastfeeding;
Inability to provide informed consent and other situations that could interfere with the examination or therapeutic protocol.
Trial design
Single group
Treatments tested in this trial
biopsy
Devicepatients enrolled in the study will receive gastroscopy and biopsies in order to evaluate status of pathology.
H. pylori eradication
DrugH. pylori eradication therapy comprising esomeprazole, amoxicillin,clarithromycin and colloidal bismuth pectin. If failed in eradicating H. pylori, a culture based antimicrobial susceptibility test will be used to guide H. pylori eradication.
Treatment groups
Trial outcomes
Primary outcomes
The proportion of more severe inflammation in the gastric mucosa for 15 years after H. pylori eradication at five points of the stomach compared with original status
The proportion of more severe atrophy in the gastric mucosa for 15 years after H. pylori eradication at five points of the stomach compared with original status
The proportion of more severe IM in the gastric mucosa for 15 years after H. pylori eradication at five points of the stomach compared with original status
Secondary outcomes
The proportion of more advanced stages for 15 years after H. pylori eradication by using operative link on gastritis assessment (OLGA) system compared with original status.
The proportion of more advanced stages for 15 years after H. pylori eradication by using operative link for gastritis intestinal metaplasia (OLGIM) system compared with original status.
Sponsors and contacts
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