A Study to Evaluate the Efficacy and Safety of AD-203
A Study to Evaluate the Efficacy and Safety of AD-203
This is a multicenter, active-controlled , randomized, double-blinded, paralleled group
 clinical study to evaluate the efficacy and safety of AD-203 to demonstrate the
 non-inferiority of AD-203 compared with Mucosta tab. in patients with acute or chronic
 gastritis
Inclusion Criteria:

 -  Age is over 20 years old, under 75 years old, men or women

 -  Patients diagnosed with acute or chronic gastritis by gastroscopy

 Exclusion Criteria:

 -  Patients who is impossible to receive gastroscopy

 -  Patients taking other investigational drugs or participating in other clinical studies
 in 3 months prior to screening visit