A Study to Compare PK/PD Characteristics and Safety Profiles Between AD-120 and AD-120A

A Randomized, Open-label, Multiple Oral-dose, 2x2 Crossover Clinical Trial to Compare the Safety, Pharmacokinetic, and Pharmacodynamic Characteristics of a AD-120 and AD-120A in Healthy Adult Volunteers

Primary endpoint of this study is to evaluate the pharmacokinetic and pharmacodynamic characteristics of AD-120 in healthy subjects.

The purpose of this study is to evaluate the pharmacokinetic and pharmacodynamic characteristics and safety profiles of AD-120 compared with AD-120A in healthy subjects.

Inclusion Criteria:

• Body weight equal to or greater than 50.0kg and equal to or less than 90.0kg and Body mass index (BMI) between 18.5 kg/m2 and 29.9 kg/m2 at the time of screening visit
• The Age equal to or greater than 19 and equal to or less than 50 in healthy volunteers at the time of screening visit
• Negative result from Serum Helicobacter pylori antibody at the time of screening visit

Exclusion Criteria:

• Patients with trouble performing pH monitor catheter