Autor: |
Galmiche, J. P., Shi, G., Simon, B., Casset‐Semanaz, F., Slama, A. |
Předmět: |
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Zdroj: |
Alimentary Pharmacology & Therapeutics; Sep1998, Vol. 12 Issue 9, p909-917, 9p |
Abstrakt: |
Aim:To compare the effects of ranitidine 75 mg with those of either cimetidine 200 mg or placebo given on demand for relief of typical symptoms of gastro-oesophageal reflux disease during a 15-day period. Methods:A total of 1336 patients (aged ≥ 18 years) with heartburn episodes were recruited and randomly assigned to a ranitidine 75 mg, cimetidine 200 mg or placebo group. Depending on the occurrence or persistence of heartburn, treatment was administered as required up to three times daily, with at least 2 h between drug doses. Antacids were allowed as rescue medication if symptoms persisted for at least 2 h after the third medication on any given day. The primary end-point was defined as the proportion of patients with relief of at least 75% of heartburn episodes during the study period (i.e. relief occurring within 2 h after drug ingestion and lasting for at least 5 h). Results:Analysis was performed in an intention-to-treat population comprising 504 subjects in the ranitidine group, 515 in the cimetidine group and 270 in the placebo group. Primary end-point success rates were 41, 38 and 28%, respectively, for the three groups (P < 0.001 for ranitidine vs. placebo, P = 0.274 for ranitidine vs. cimetidine). Ranitidine 75 mg was significantly more effective than placebo in providing overall heartburn relief (P < 0.001). The differences between the ranitidine and cimetidine groups were not significant, except for a greater reduction in heartburn frequency in the ranitidine group at the end of the study period (P < 0.05). Drug dose was lower and less rescue medication was used in the ranitidine group than the placebo group. The three treatment groups did not differ in terms of tolerability. Conclusion:On-demand ranitidine 75 mg or cimetidine 200 mg are safe and effective treatment for reflux-related symptoms. [ABSTRACT FROM AUTHOR] |
Databáze: |
Complementary Index |
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