A multicenter, randomized, double-blind, active-controlled, phase III study to evaluate the efficacy and safety of HIP0612 in patients with gastric ulcer.

Inclusion Criteria:

• 19 years to 75 years
• Diagnosis of active gastric ulcers according to the Sakita-Miwa classification from upper GI endoscopy
• Patients understood the consents and purpose of this trial and signed consent form

Exclusion Criteria:

• Patients who cannot perform endoscopy
• Finding of malignancy, duodenal ulcer, ulcer perforation, postoperative (eg, endoscopic mucosal resection, endoscopic submucosal dissection) ulcer(s), Barrett's oesophagus measuring >3cm, oesophageal dysplasia, oesophageal and/or gastric varices, bleeding disorder on upper GI endoscopy
• History of definitive acid lowering surgery or pervious oesophageal or gastric surgery (except for benign tumor excisionn, simple close of perforations)
• Zollinger-Ellison syndrome, pyloric stenosis, oesophageal motility disorder, esophageal stricture
• Severe hepatic disease
• Severe renal disease, CKD
• Bleeding disorder
• History of malignancy or was treated for malignancy within 5 years before the start of the Visit 1
• Patients who have taken drugs containing following list within 2 weeks prior to upper GI endoscopy, or requirement of persistent use of drugs during the study period: acid suppressive drugs, antacids, anticholinergic drugs, gastroprotective agent
• Patients who have taken drugs containing following list within 1 weeks prior to upper GI endoscopy, or requirement of persistent use of drugs during the study period: antithrombotic agents, NSAIDs, aspirin
• Requirement of use of excluded medications during the study
• History of allergic reaction to the medications used in this study
• Glucose-galactose malabsorption, Fructose intolerance, Sucrase-isomaltase deficiency
• Use of other investigational drugs within 30 days prior to the study
• History of alcohol or drug abuse
• Positive to pregnancy test, nursing mother, intention on pregnancy
• Considered by investigator as not appropriate to participate in the clinical study with other reason