Efficacy Comparison of Vonoprazan Combined With Different Antibiotics in Dual Therapy for Helicobacter Pylori Eradication: A Prospective, Randomized Controlled Clinical Trial

Inclusion Criteria: 1. Aged 18 - 70 years, regardless of gender; 2. Patients with definite Hp infection (positive result in any one of the 13C/14C urea breath test, rapid urease test, and fecal Hp antigen test) who have never received Helicobacter pylori eradication treatment; 3. For women of child - bearing age, it is required to use medically acceptable contraceptive methods during the trial period and within 30 days after the end of the trial. Exclusion Criteria: 1. Patients who have been definitely diagnosed with Hp infection and have received antibiotic eradication treatment; 2. Patients with contraindications to the study drug or who are allergic to the study drug; 3. Patients with severe organ damage and complications (such as liver cirrhosis, uremia, etc.), severe or unstable cardiopulmonary or endocrine diseases; 4. Patients who have been continuously using anti - ulcer drugs (including taking PPI within 2 weeks before the Hp infection test), antibiotics or bismuth complexes (more than 3 times a week within 1 month before screening); 5. Pregnant and lactating women; 6. Patients who have undergone upper gastrointestinal surgery; 7. Patients with moderate or severe atypical hyperplasia or high - grade intraepithelial neoplasia; 8. Patients with symptoms of dysphagia; 9. Patients with evidence of bleeding or iron - deficiency anemia; 10. Patients with a history of malignant tumors; 11. Patients with a history of drug or alcohol abuse within the past 1 year; 12. Patients who are using systemic glucocorticoids, non - steroidal anti - inflammatory drugs, anticoagulants, platelet aggregation inhibitors (except for using aspirin ≤ 100 mg/d); 13. Patients with mental disorders; 14. Patients who have participated in other clinical trials within the past 3 months; 15. Patients who refuse to sign the informed consent form.