To compare the eradication success rate between 10-days sequential therapy and 7-days tailored therapy based on H. pylori culture and antimicrobial susceptibility testing.
The patients who proved H. pylori infection following three methods
positive rapid urease test (CLOtest)
histologic evidence of H. pylori by modified Giemsa staining
positive Urea breath test
Patients who received eradication therapy for H. pylori infection, previously
H. pylori eradication failure because of poor compliance
the administration of antibiotics or the consumption of bismuth salts within 4 weeks or the administration of a proton pump inhibitor (PPI) within 2 weeks
Advanced gastric cancer or other malignancy