Clinical Research Directory

Differences in Gastric Microbiota in Patients Who Were Infected Between CagA Positive and Negative Helicobacter Pylori

Sponsor: Mahidol University

Summary

The goal of this clinical trial is to study the differences in gastric microbiota (Diversity index) between patients who were infected with CagA-positive Helicobacter pylori and CagA-negative Helicobacter pylori. The main question it aims to answer are: The effect of Helicobacter pylori typing (CagA status) on gastric microbiota, what is the different? Patients indicated for EGD at Siriraj Endoscopic Center will undergo a Helicobacter pylori test (Rapid urease test) If the result is positive, a stomach biopsy for gastric microbiota testing and CagA antibody testing will be conducted. Then, the patients will be divided into two groups: CagA-positive Helicobacter pylori and CagA-negative Helicobacter pylori. To compare the differences in gastric microbiota in terms of species and biodiversity, as well as endoscopic results, etc.

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