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  • Title: Daily low-dose versus alternate day full-dose lansoprazole in the maintenance treatment of reflux esophagitis.
    Author: Baldi F, Morselli-Labate AM, Cappiello R, Ghersi S, Italian Lansoprazole Study Group.
    Journal: Am J Gastroenterol; 2002 Jun; 97(6):1357-64. PubMed ID: 12094850.
    Abstract:
    OBJECTIVE: For the long term maintenance treatment of reflux esophagitis several strategies have been proposed with the aim of reducing the daily dosage or the frequency of drug administration. However, the available clinical studies are scarce and are often not controlled or conducted on a reduced number of cases. We aimed to compare the efficacy of two doses of lansoprazole (15 mg once daily and 30 mg on alternate days) in maintaining endoscopic healing and symptom relief over a 6-month period. METHODS: One hundred thirty-seven patients with Savary-Miller grades I-III reflux esophagitis healed after an 8-wk treatment with lansoprazole (30 mg daily) were divided into two main groups for a 6-month maintenance therapy period: lansoprazole, 15 mg once daily (group 15qd) and lansoprazole, 30 mg on alternate days (group 30qod). These two main groups were further subdivided according to the time of drug administration; morning (15qdm and 30qodm) and evening (15qde and 30qode). Each patient underwent esophagogastroduodenoscopy before entry into the study, after 8 wk of acute therapy, and after 6 months of maintenance therapy; 24-h esophageal-gastric pH monitoring was performed at baseline and during the last week of maintenance therapy. RESULTS: At the end of the maintenance period the recurrence of esophagitis was observed in 12.1% of group 15qd patients and in 19.0% of group 30qod patients, without significant differences between the two groups. The frequency of patients without reflux symptoms after the 6-month period was the same for both groups; however, a significant increase of heartburn was observed in group 30qod patients (from 12.1% to 28.6%, p = 0.007). The time of drug administration (morning and evening) had no influence on the outcome of treatment. Both regimens significantly reduced esophageal acid exposure time and increased the median 24-h gastric pH. CONCLUSIONS: Both long term lansoprazole regimens are equally effective in preventing the recurrence of esophagitis, independent of the modality of drug administration. The daily administration seems to have a better effect on the prevention of symptom recurrence.
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