Background: Metronidazole resistance is a common problem in most Asian countries, and
clarithromycin has been widely used in Hong Kong. Aim: To determine the prevalence of …

Objectives To examine the levels of resistance to metronidazole (MTZ) and clarithromycin
(CLA) in H. pylori, isolates were taken in a reference centre in Ireland from 2007 to 2008 and …

Abstract Background and Aim: Clarithromycin‐based triple therapy has been commonly
applied as the first‐line therapy for Helicobacter pylori eradication. Levofloxacin could serve …

Background Antimicrobial resistance of H. pylori can lead to treatment failure. Importantly,
several studies have reported on heteroresistance, ie the presence of resistant and …

Background: Diversity in metronidazole susceptibility and genotypes of Helicobacter pylori
have been reported with varying results in different areas. Aims: To investigate the …

Background. Antibiotic resistance of Helicobacter pylori is problematic because it reduces
the efficacy of eradication therapy. It has been suggested that the incidence of resistance is …

Background: Metronidazole and clarithromycin-based therapies are among the most
efficacious treatment regimens for H. pylori infection. Resistance to metronidazole or …

Helicobacter pylori resistance to metronidazole was detected in 107 (52.97%) of 202 strains.
Twenty (9.85%) strains, 18 of them harboring 23S ribosomal DNA mutations, were resistant …

Abstract Background and Aim: As bacterial resistance to clarithromycin limits the efficacy of
clarithromycin‐based regimens for Helicobacter pylori infection, attention has turned to …

Background The primary treatment regimen for Helicobacter pylori infection for Kuwaitis
does not contain metronidazole, but that for expatriates does. There is also increasing failure …