Short report: clarithromycin, an alternative to metronidazole in the triple therapy of Helicobacter pylori infection |
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Authors: | J C THIJS A A VAN ZWET†W MOOLENAAR‡ J A J OOM§ H DE KORTE§E A RUNHAAR¶ |
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Institution: | Departments of Internal Medicine, Bethesda Hospital, Hoogeveen.;Regional Public Health Laboratory, Groningen.;Wilhelmina Hospital, Assen.;Diaconessen Hospital, Meppel,;Regional Hospital of Coevorden/Hardenberg, The Netherlands. |
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Abstract: | Background: Triple therapy for Helicobacter pylori using metronidazole is less effective in patients with a metronidazole resistant strain. Moreover, metronidazole is responsible for many side-effects. This open study examined the efficacy and side-effects of a triple treatment regimen substituting clarithromycin for metronidazole. Methods: 36 patients with a H. pylori infection, proven by culture, were treated with tripotassium dicitrato bismuthate 120 mg q.d.s., tetracycline 250 mg q.d.s. and clarithromycin 250 mg q.d.s. for 10 days. Eradication was defined as a negative culture and histological examination of antral biopsy specimens, taken at least 6 weeks after completion of the treatment. Results: Eradication was achieved in 26 patients (72%). The treatment was well tolerated with only 4 (11 %) of the patients having significant side-effects. Conclusion: Triple therapy with clarithromycin seems to be less effective than standard triple treatment when the prevalence of metronidazole resistance is low. It is suggested, however, that this combination could be a valuable alternative in areas with a high prevalence of metronidazole resistance. |
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