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  • Title: Double-blind comparison of omeprazole 20 mg OM and ranitidine 300 mg NOCTE in duodenal ulcer: a Taiwan multi-centre study.
    Author: Wang CY, Wang TH, Lai KH, Siauw CP, Chen PC, Yang KC, Tsai YT, Sung JL.
    Journal: J Gastroenterol Hepatol; 1992; 7(6):572-6. PubMed ID: 1486186.
    Abstract:
    Two hundred and twenty-six patients with endoscopically confirmed duodenal ulcers > or = 5 mm in diameter entered a double-blind randomized trial comparing 20 mg omeprazole administered once daily in the morning with 300 mg ranitidine administered once daily at night. The patients were assessed endoscopically and symptomatically after 2 weeks, and those whose ulcers had healed terminated the study. Patients with unhealed ulcers continued treatment for a total of 4 weeks. Omeprazole produced significantly higher healing rates than ranitidine at both 2 weeks (57 vs 28%, P < 0.0001) and 4 weeks (93 vs 80%, P = 0.006). Similarly, significantly higher 'effective healing rates' (defined on the criteria established by the Japanese Society of Digestive Endoscopy) were observed with omeprazole compared with ranitidine at 2 and 4 weeks. After 2 weeks, there were significantly fewer reports of both day-time and night-time epigastric pain by omeprazole-treated patients compared with ranitidine-treated patients (22 vs 44%, P < 0.0001 for day-time pain; 24 vs 35%, P = 0.025 for night-time pain). Both drugs were well-tolerated and no major adverse effects were recorded during either treatment. In conclusion, 20 mg omeprazole administered once daily was superior to 300 mg ranitidine administered once daily for duodenal ulcer healing and symptom relief.
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