H pylori eradication treatment
| Primary resistance | Regimen | Efficacy range |
|---|---|---|
| MET <30% | PPI–CLA–AMO | 85–95% |
| CLA <15% | PPI–CLA–MET | 85–95% |
| RBC/BIS–CLA–MET | 85–95% | |
| PPI–BIS–TET–MET | 85–95% | |
| MET >30% | PPI–CLA–AMO | 85–95% |
| CLA <15% | RBC/BIS–CLA–AMO | 85–95% |
| PPI–BIS–MET–TET | 50–95% | |
| MET >30% | PPI–BIS–TET–MET | 50–95% |
| CLA >15% |
MET, metronidazole; CLA, clarithromycin; PPI, proton pump inhibitor; AMO, amoxicillin; RBC, ranitidine bismuth citrate; BIS, bismuth; TET, tetracycline.