Research purpose To elucidate the effect mechanism and clinical effective of weifuchun in the prevention and treatment of chronic atrophic gastritis and precancerous lesions of gastric cancer. From genes related to cell differentiation, proliferation, apoptosis, tumor invasion and metastasis, genes related to immune inflammation and immune escape and other possible aspects to elucidate the effective and mechanism of weifuchun's treatment on chronic atrophic gastritis, reversing precancerous lesions of gastric cancer.
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histopathology is assessing a change
Timeframe: the patients' were included into the clinical trials and after 24 weeks treatment.
gastroscopy is assessing a change
Timeframe: the patients' were included into the clinical trials and after 24 weeks treatment.
Clinical symptom score is assessing a change
Timeframe: the patients' were included into the clinical trials and after 24 weeks treatment.