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Medline ® Abstract for Reference 33

of 'NSAIDs (including aspirin): Primary prevention of gastroduodenal toxicity'

Ulcer prevention in long-term users of nonsteroidal anti-inflammatory drugs: results of a double-blind, randomized, multicenter, active- and placebo-controlled study of misoprostol vs lansoprazole.
Graham DY, Agrawal NM, Campbell DR, Haber MM, Collis C, Lukasik NL, Huang B, NSAID-Associated Gastric Ulcer Prevention Study Group
Arch Intern Med. 2002;162(2):169.
BACKGROUND: Studies that report prevention of ulcer recurrence among long-term users of nonsteroidal anti-inflammatory drugs (NSAIDs) that do not stratify for Helicobacter pylori status may not be generalizable to the large population of individuals without H pylori.
METHODS: This was a prospective, double-blind, multicenter, active- and placebo-controlled study among 537 patients without H pylori who were long-term users of NSAIDs and who had a history of endoscopically documented gastric ulcer. Patients were randomized to receive placebo, 200 microg of misoprostol 4 times a day, or 15 or 30 mg of lansoprazole once daily for 12 weeks. Ulcer status was determined by endoscopy at 4, 8, and 12 weeks.
RESULTS: Patients receiving lansoprazole (15 or 30 mg) remained free from gastric ulcer longer than those who received placebo (P<.001) but for a shorter time than those who received misoprostol. By week 12, the percentagesof gastric ulcer-free patients were as follows: placebo, 51% (95% confidence interval [CI], 41.1%-61.3%); misoprostol, 93% (95% CI, 87.2%-97.9%); 15-mg lansoprazole, 80% (95% CI, 72.5%-87.3%); and 30-mg lansoprazole, 82% (95% CI, 75.0%-89.6%). A significantly higher proportion of patients in the misoprostol group reported treatment-related adverse events and early withdrawal from the study. When the impact of withdrawals on ulcer development was considered (as failures), therapy was successful for 69% for each of the active treatment groups and 35% for the placebo group.
CONCLUSIONS: Proton pump inhibitors such as lansoprazole are superior to placebo for the prevention of NSAID-induced gastric ulcers but not superior to misoprostol, 800 microg/d. When the poor compliance and potential adverse effects associated with misoprostol are considered, proton pump inhibitors and full-dose misoprostol are clinically equivalent.
Veterans Affairs Medical Center (111D), 2002 Holcombe Blvd, Room 3A-320, Houston, TX 77030-4211, USA. dgraham@bcm.tmc.edu