Background: The systematic use of susceptibility testing and tailored first-line treatment for Helicobacter pylori eradication has yet to be established.
Aim: To compare 14-day tailored PCR-guided triple therapy to 14-day non-Bismuth concomitant quadruple therapy for first-line Helicobacter pylori eradication.
Patients And Methods: We performed a multicenter, parallel-group, randomized noninferiority controlled trial.