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Original Article

Prevention of Relapse with Various Antiulcer Drugs

, , , , &
Pages 58-62 | Published online: 08 Jul 2009
 

Abstract

The relative value of maintenance therapy with cimetidine, ranitidine, pirenzepine, and antacids only (when used for symptomatic relief) has been evaluated in 205 patients with a subsequent follow-up period of 2 years. The patients had a completely healed duodenal ulcer after 8 weeks of treatment and were then randomly allocated to four groups, which were as follows: group 1: 60 patients treated with 400 mg cimetidine at night; group 2: 55 patients treated with 150 mg ranitidine at night; group 3: 50 patients treated with 50 mg pirenzepine at night; and group 4: 40 patients treated only with antacids as needed for symptomatic relief. Endoscopy was repeated after 6, 12, 18, and 24 months of treatment, and whenever symptoms suggested recurrence. Although the number of dropouts was high (27 in group 1, 20 in group 2, 18 in group 3 and 12 in group 4), statistical analysis by the life-table method showed that cimetidine, ranitidine, and pirenzepine had similar therapeutic value. After 1 and 2 years the relapse rate of duodenal ulcer was 17.5% and 43.6% respectively, for cimetidine, 21% and 69.3% for ranitidine, 21.7 and 50.2% for pirenzepine, and 49.8% and 77.7% for antacids. The incidence of erosions was lower in those groups with the higher ulcer relapse rate, a point discussed in the present study.

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