85% for those without), whereas in vitro metronidazole resistance did not have a similar effect on eradication rates for the quadruple-therapy group ... areas where H. pylori infection is endemic ...

Second-line therapy should be quadruple therapy with a PPI (standard ... the suggested therapeutic regimens for eradication of H pylori infection.

The American Journal of Gastroenterology has published a new guideline on the treatment of Helicobacter pylori (H. pylori ...