High dose amoxicillin-based first line regimen is equivalent to sequential therapy in the eradication of H. pylori infection

Francesco Franceschi, Veronica Ojetti, Giovanni Battista Gasbarrini, Antonio Gasbarrini, Maurizio Gabrielli, Annalisa Tortora, Franco Scaldaferri, M. Gabrielli, C. Petruzziello

Risultato della ricerca: Contributo in rivistaArticolo in rivista

3 Citazioni (Scopus)

Abstract

Abstract OBJECTIVE: Helicobater (H.) pylori eradication rates with standard first-line triple therapy have declined to unacceptable levels. To date, amoxicillin-resistant H. pylori strains have rarely been detected. Whether increasing the dosage of amoxicillin in a standard 7 days eradicating regimen may enhance its efficacy is not known. The aim of this paper is to compare the efficacy of a 7 days high-dose amoxicillin based first-line regimen with sequential therapy. PATIENTS AND METHODS: We have retrospectively analyzed data from 300 sex and age matched patients, who underwent 3 different therapeutic schemes: (1) standard LCA, lansoprazole 30 mg bid, clarithromycin 500 mg bid and amoxicillin 1000 mg bid for 7 days; (2) high dose LCA (HD-LCA), lansoprazole 30 mg bid, clarithromycin 500 mg bid and amoxicillin 1000 mg tid for 7 days; (3) sequential LACT, lansoprazole 30 mg bid plus amoxicillin 1000 mg bid for 5 days, followed by lansoprazole 30 mg bid, clarithromycin 500 mg bid and tinidazole 500 mg bid for 5 days. Eradication was confirmed by 13C-urea breath test. Compliance and occurrence of adverse effects were also assessed. RESULTS: Eradication rates were: 55% for LCA, 75% for HD-LCA and 73% for LACT. Eradication rates were higher in HD-LCA group compared to LCA (p<0.01), while no significant differences were observed in HD-LCA group compared to LACT (p=ns). Compliance and occurrence of adverse effects were similar among groups. CONCLUSIONS: High-dose amoxicillin based eradicating treatment is superior to standard triple therapy and equivalent to sequential therapy; compared to the latter, the shorter duration may represent an advantage.
Lingua originaleEnglish
pagine (da-a)297-300-N/A
RivistaEuropean Review for Medical and Pharmacological Sciences
Volume20
Stato di pubblicazionePubblicato - 2016

Keywords

  • Adult
  • Amoxicillin
  • Anti-Bacterial Agents
  • Breath Tests
  • Clarithromycin
  • Drug Administration Schedule
  • Drug Therapy, Combination
  • Female
  • Helicobacter Infections
  • Helicobacter pylori
  • Humans
  • Lansoprazole
  • Male
  • Middle Aged
  • Retrospective Studies

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