Efficacy and Safety of Nexpowder™ for Non-variceal, Upper Gastrointestinal Bleeding

Inclusion Criteria: 1. Males or females aged over 21 to 75 years 2. Patients with confirmed nonvariceal, upper gastrointestinal bleeding 3. Patients who voluntarily agree to the clinical trial with informed consent 4. Patients who willing and able to comply with the study protocol Exclusion Criteria: 1. Patients with an uncorrected coagulation disorder (PLT\<50\*109/L, INR\>2) 2. Patients who are known to be pregnant or in lactation 3. Patients who have received another endoscopic treatment for the same part of the body within the days preceding the study 4. Patients for whom endoscopic treatment is prohibited due to comorbidity 5. Patients for whom the 30-day follow-up period is impossible 6. Patients who have participated within the past month in other related clinical trials that could affect the results of the study 7. Other cases in which participation in the study is judged inappropriate by the investigators