This is a multi-center, double-blind, randomized, active-controlled study.
This study aims to investigate eradication rate, drug compliance, and adverse events in patients with confirmed Helicobacter pylori infection between tegoprazan, bismuth, metronidazole, and tetracycline for 14 days (TBMT) and PPI, bismuth, metronidazole, and tetracycline for 14 days (LBMT)