High Dose of Dual Therapy Plus Bismuth for Helicobacter Pylori Treatment

Efficacy of High Dose of Dual Therapy Plus Bismuth for Helicobacter Pylori Treatment：a Randomized Clinical Trial

Dual therapy for Helicobacter Pylori including a proton pump inhibitor (PPI) and amoxicillin. Amoxicillin has low resistance rate as well as low percentage of side effects. No trial has examined the the efficacy of high dose of dual therapy plus bismuth for H. pylori treatment.This study is designed to evaluate the efficacy and safety of the addition of bismuth to high dose of dual therapy for H. pylori eradication.

Inclusion Criteria:

• Participants with non-ulcer functional dyspepsia or peptic ulcer disease
• Ability and willingness to participate in the study and to sign and give informed consent
• Confirmed H. pylori infection

Exclusion Criteria:

• Less than 18 years old
• With previous gastric surgery
• Major systemic diseases
• Pregnancy or lactation
• Allergy to any of the study drugs Administration of antibiotics, bismuth, antisecretory drugs in 8 weeks prior to inclusion