Clinical Research Directory

Inclusion Criteria : 1. Age ≥ 40 years, gender is not limited. 2. Voluntary participation with signed informed consent. 3. No H. pylori eradication treatment received within the past 1 month. 4. Able to complete stool sample collection and related examinations as per study requirements. 5. Detected as high-risk by Hp subtype test. Exclusion Criteria: 1. A history of diagnosed gastric cancer or other malignant tumors of the digestive tract. 2. Comorbid severe underlying conditions (e.g., severe cardiopulmonary insufficiency, liver or renal failure, etc.) that are likely to result in a short life expectancy or render long-term follow-up impractical. 3. Severe mental illness or incapacity to participate in the study due to lack of civil behavior. 4. Pregnant or breastfeeding women. 5. Other conditions that the investigator deems inappropriate for participation in the study.