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Am J Gastroenterol. 1996 Feb;91(2):246-57.

The influence of drug dosage on Helicobacter pylori eradication: a cost-effectiveness analysis.

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1
Department of Gastroenterology, Robert-Bosch Hospital, Stuttgart, Federal Republic of Germany.

Abstract

OBJECTIVES:

This review provides an updated overview on Helicobacter pylori (HP) trials, focusing on drug dosage and cost:benefit ratio.

METHODS:

Literature review, with analysis of 362 treatments with 13,562 patients.

RESULTS:

Statistical evaluation demonstrated the following mean HP eradication rates (ER): 11.7% for monotherapy, 50.7% for dual therapy without acid suppression, 59.8% for dual therapy including acid suppression, 78.1% for triple therapy without acid suppression, 77.5% for triple therapy including acid suppression, and 89.1% for multiple combination therapy (differences between all groups, p < 0.001). In dual therapy, omeprazole/amoxicillin or clarithromycin (mean ER 65.9 vs. 67.6%, NS) showed better results than other combinations. Favorable results in triple therapy were achieved by combined bismuth/imidazoles/tetracycline or by omeprazole/imidazoles/amoxicillin or clarithromycin (mean ER 83.4 vs. 83.5% vs. 93%, NS). The best mean eradication rate, 93.5%, was attained with omeprazole/bismuth/imidazoles/tetracycline. Subgroup analysis revealed a significant correlation between the dose/duration of therapy and the ER for most combinations. The best cost:benefit ratio was demonstrated for omeprazole/imidazoles/clarithromycin (triple therapy including acid suppression).

CONCLUSIONS:

The optimal cost:benefit ratio will be achieved by treatment for 1 wk with omeprazole (20 mg/day), imidazoles (such as metronidazole 2 x 400 mg/day), and clarithromycin (2 x 250 mg/day). If dual therapy is taken into account in terms of simplicity and few side effects, the treatment success in the combination of omeprazole ( > or = 2 x 20 mg/day) and amoxicillin ( > or = 2 g/day) or clarithromycin ( > or = 1 g/day), each given for 2 wk, is highly dependent on optimal drug dosage.

PMID:
8607488
[Indexed for MEDLINE]

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