
    lack of efficacy
  
['gastritis']
['dwc20155', 'dwc20156', 'placebo of dwc20155', 'placebo of dwc20156']

        Inclusion Criteria:

          -  Male of female of at least 19 years old

          -  Patients diagnosed with acute or chronic gastritis by gastroscopy

          -  Patients with one or more erosions found by gastroscopy

        Exclusion Criteria:

          -  Patients with peptic ulcer and gastroesophageal reflux disease

          -  Patients with previous gastrointestinal surgery

          -  Patients with history of gastrointestinal cancer
      