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- W2972393619 abstract "Empirical therapy of Helicobacter pylori frequently results in treatment failure due to unrecognized antimicrobial resistance. The aim of this study was to investigate the effectiveness of susceptibility-guided therapy for rescue treatment of H. pylori infection in China.This was a prospective study of consecutive 200 patients infected with H. pylori with one or more treatment failures. The therapy chosen was susceptibility based using the most effective, best-tolerated regimens first and a locally proven, reliably effective regimen for multidrug-resistant infections. All patients received 14-day triple therapy, i.e. esomeprazole 20 mg and amoxicillin 1 g twice a day plus clarithromycin 500 mg twice a day, metronidazole 400 mg twice a day, or levofloxacin 500 mg daily, or, for multidrug-resistant infections, amoxicillin-containing bismuth quadruple therapy with esomeprazole 20 mg twice a day, bismuth 220 mg twice a day, amoxicillin 1 g three times a day, and metronidazole 400 mg four times a day. Antibiotic resistance was determined by agar dilution.The eradication rate of susceptibility-guided therapy overall was 94.5% (189/200, 95% confidence interval: 90.4-97.2%). Around 28% (56/200) of patients carried strains susceptible to one of the tested antibiotics and were prescribed the triple therapy. A total of 144 multidrug-resistant patients received bismuth quadruple therapy. The eradication rates were all greater than 90%, i.e. 91.7% (11/12), 92.3% (12/13), and 93.5% (29/31) in those who received clarithromycin, metronidazole, and levofloxacin-containing triple therapy and 95.1% (137/144) for the bismuth quadruple therapy. There were no differences in eradication rates between the subgroups.Although susceptibility-guided therapy proved high efficacious despite the high proportion of multidrug-resistant strains, the strategy suggested the best approach for this population would be empirical amoxicillin-containing bismuth quadruple therapy. ClinicalTrials.gov identifier: NCT03413020." @default.
- W2972393619 created "2019-09-19" @default.
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- W2972393619 date "2019-01-01" @default.
- W2972393619 modified "2023-09-28" @default.
- W2972393619 title "Susceptibility-guided therapy for <i>Helicobacter pylori</i> infection treatment failures" @default.
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- W2972393619 doi "https://doi.org/10.1177/1756284819874922" @default.
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