To explore the pharmacokinetics, pharmacodynamics and safety in accordance with the dose escalation when tegoprazan is given orally twice daily for 3 days in healthy subjects.~To compare the pharmacodynamics and safety of tegoprazan oral administration and esomeprazole infusion for 24 hours
The main purpose of this study is to explore the pharmacokinetics, pharmacodynamics and safety after twice-daily dosing of tegoprazan tablets in healthy subjects.