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Clinical Trial Summary

Helicobater pylori plays an important role in the development of gastric cancer. Eradication therapy can reducing the morbidity of gastric cancer, but can't totally prevent it especially when atrophy and more serious precancerous lesions already happened. Prior studies found the gastric bacterial difference among gastritis, intestinal metaplasia and gastric cancer. However, they didn't reach an agreement. Correa's model is widely accepted in the development of gastric cancer. The pathological change makes a more suitable environment for bacteria to overgrowth. This study are designed to analyze the gastric microbial difference of non-atrophic gastritis, atrophic gastritis, intestinal metaplasia, intraepithelial neoplasia and gastric cancer.


Clinical Trial Description

n/a


Study Design

Observational Model: Cohort, Time Perspective: Prospective


Related Conditions & MeSH terms


NCT number NCT02833363
Study type Observational
Source Shandong University
Contact Yanqing Li, MD,PHD
Phone 86-531-82169236
Email liyanqing@sdu.edu.cn
Status Recruiting
Phase Phase 4
Start date July 2016
Completion date February 2017

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