Clinical Trial to Evaluate the Efficacy and Safety of DA-5219 in Patients With Acute or Chronic Gastritis

Main Inclusion Criteria: * Men or women aged ≥ 19 years and ≤ 75 years * Subjects who diagnosed with acute or chronic gastritis by upper gastrointestinal endoscopy within 7days prior to the randomization * Subjects who have one or more erosions identified on upper gastrointestinal endoscopy within 7days prior to the randomization * Subjects who voluntarily signed a consent form Main Exclusion Criteria: * Ineligible for upper gastrointestinal endoscopy * Subjects with active or healing gastroduodenal ulcer, reflux esophagitis, Barrett's esophagus, or gastroesophageal varices identified on upper gastrointestinal endoscopy within 7days prior to the randomization * Subjects with hypersensitivity to investigational drugs and similar drugs * Pregnant or breastfeeding women