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  • Title: Omeprazole 20 or 40 mg daily for healing gastroduodenal ulcers in patients receiving non-steroidal anti-inflammatory drugs.
    Author: Massimo Claar G, Monaco S, Del Veccho Blanco C, Capurso L, Fusillo M, Annibale B.
    Journal: Aliment Pharmacol Ther; 1998 May; 12(5):463-8. PubMed ID: 9663727.
    Abstract:
    BACKGROUND: Non-steroidal anti-inflammatory drugs (NSAIDs) are strongly associated with gastroduodenal ulcers, and the management of patients with NSAID-associated ulcers represents a common clinical dilemma. AIM: To assess NSAID-associated ulcer healing during treatment with either standard (20 mg) or high dosage (40 mg) omeprazole. METHODS: One hundred and sixty-nine patients chronically ingesting diclofenac, ketoprofen, indomethacin or naproxen for osteoarthritis or rheumatoid arthritis, who had abdominal pain and an endoscopically proven gastroduodenal ulcer, were evaluated in a randomized, double-blind, dose regimen trial with omeprazole 20 mg o.m. (n = 81) or omeprazole 40 mg o.m. (n = 88). Ulcer healing was assessed endoscopically at 4 and 8 weeks in the case of unhealed ulcers. Patients continued their usual daily dose of anti-inflammatory medication throughout the study period. RESULTS: One hundred and fifty-six patients completed the study (77 patients taking 20 mg omeprazole and 79 patients taking 40 mg omeprazole); 12 patients were lost during follow-up and one patient reported an adverse event. Cumulative ulcer intention-to-treat healing rates at 8 weeks were 88% (95% confidence interval (CI) = 79-95%) for the 20 mg omeprazole group and 96.2% (95% CI = 89-99%) for the 40 mg group, and 97.1% (95% CI = 90-100%) for the 20 mg omeprazole group and 98.6% (95% CI = 93-100%) for the 40 mg group by per protocol analysis. There were no statistically significant differences between the two groups. Symptom relief did not differ significantly between the two treatment groups. CONCLUSION: Both standard and high doses of omeprazole are equally safe and effective regimens for the treatment of NSAID-induced gastroduodenal ulcers when anti-inflammatory treatment is not discontinued.
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