Comparative Efficacy & Safety Study of Esomeprazole Versus Placebo for the Prevention of Gastric and Duodenal Ulcers With NSAID

A Phase III, Multicentre, Randomised, Double-blind, Parallel-group, Comparative Efficacy and Safety Study of Esomeprazole(20 mg Once Daily) Versus Placebo for the Prevention of Gastric and/or Duodenal Ulcers Associated With Daily Nonsteroidal Anti-inflammatory Drug (NSAID) Use

The purpose of this study is to assess the efficacy of esomeprazole (D961H) 20 mg versus placebo once daily for up to 24 weeks of treatment involving patients with a history of gastric and/or duodenal ulcers receiving daily nonsteroidal anti-inflammatory drug (NSAID) therapy by evaluating presence or absence of gastric and/or duodenal ulcers throughout the treatment period (24 weeks) in terms of efficacy on prevention of gastric and/or duodenal ulcers

Inclusion Criteria:

• Medical history of gastric and/or duodenal ulcer
• A diagnosis of a chronic condition (rheumatoid arthritis, osteoarthritis, lumbago,etc) that requires daily NSAID use,at least 20 years of age

Exclusion Criteria:

• Having gastric or duodenal ulcer in active or healing stage according to the Sakita/Miwa classification
• History of esophageal, gastric or duodenal surgery
• Having severe liver disease or chronic renal disease