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  • Title: Comparison of lansoprazole and omeprazole in the short-term management of duodenal ulcers in Taiwan.
    Author: Chang FY, Chiang CY, Tam TN, Ng WW, Lee SD.
    Journal: J Gastroenterol Hepatol; 1995; 10(5):595-601. PubMed ID: 8963037.
    Abstract:
    Lansoprazole is a novel H+/K+-ATPase inhibitor which exhibits a very potent and long-acting suppression of acid secretion. The object of this randomized, controlled trial was to compare duodenal ulcer healing rates after 4 weeks of treatment with a once-daily regimen of either 30 mg lansoprazole or 20 mg omeprazole. Of a total of 111 patients 57 received lansoprazole, whereas 54 received omeprazole. In intention-to-treat analysis at 4 weeks, 89.5% patients showed ulcer healing following treatment with lansoprazole compared with 83.3% of patients treated with omeprazole. Per protocol analysis indicated that 96.1% of patients treated with lansoprazole showed ulcer healing, compared with 93.6% of patients treated with omeprazole (NS). Age, smoking or ulcer size did not affect the ulcer healing rate. Both agents could effectively and quickly resolve ulcer symptoms. The Helicobacter pylori clearance was seen in 36 (73.5%) patients in the lansoprazole group and in 40 (80%) patients in the omeprazole group after four weeks of treatment (NS). In addition, both agents led to hypergastrinaemia, by approximately 1.6 fold. Adverse side effects included a few occurrences of reversible skin rash and constipation. It is concluded that lansoprazole elicits an adequate healing response and resolves symptoms of duodenal ulcer as well as omeprazole. Furthermore, lansoprazole is well tolerated with a few adverse side effects.
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