After antimicrobial susceptibility testing of Helicobacter pylori from biopsy samples, according to antibiotic resistance pattern of each one, give esomeprazole, amoxicillin and one sensitive of clarithromycin, metronidazole and levofloxacin.If isolates were resistant to all three tested antibiotics, give esomeprazole, bismuth potassium citrate, metronidazole and amoxicillin for 14 days.

proton pump inhibitor

Six weeks after completion of therapy, H. pylori eradication was assessed by ¹³C-urea breath test. Eradication was defined as negative result from urea breath test (<4‰) (4‰ as the cutoff value).

The subjects were asked to grade the severity of adverse events according to their influence on daily activities, experienced as "mild" (transient and well tolerated), "moderate" (causing discomfort and partially interfering with daily activities), or "severe" (causing considerable interference with daily activities).