Study Evaluating Pantoprazole in Peptic Ulcer Hemorrhage

Inclusion Criteria: * Patients must be men or nonpregnant women at least 18 years of age * Patients who present with a gastric or duodenal ulcer (major dimension of the ulcer must be ≥ 5 mm and ≤ 20 mm) with endoscopic appearance of spurting, oozing, or nonbleeding visible vessel (NBVV) Patients presenting with adherent protruding clot are eligible if, after removal of the clot by irrigation, the underlying lesion is classified as spurting, oozing or a NBVV. Patients with an actively bleeding ulcer or a NBVV within a hiatal hernia are eligible if the ulcer is located below the Z-line) Exclusion Criteria: * Patients with ulcer appearance of clean base (non-oozing, non-spurting) or flat pigmented spot; adherent clots not removed by irrigation * Patients presenting with active bleeding and/or NBVV at 2 or more separate sites * Patients with any severe concomitant diseases, eg, end-stage liver or renal disease, or unstable cardiovascular, pulmonary, renal, hepatic, or gastrointestinal diseases