The Influence of in Vitro Nitroimidazole Resistance on The Efficacy of Nitroimidazole-Containing Anti- Helicobacter Pylori Regimens: A Meta-Analysis

NIR decreases treatment efficacy. Treatment duration and choice of other drugs influence the impact of NIR on treatment efficacy. If NIR is present, a nitroimidazole-containing regimen should be avoided or a quadruple regimen should be given for > 1 wk.