 Results: There were 295 patients Intent to treat of whom 91 95 CI: 86.595.7 had successful eradication with sequential therapy compared to 78 95 CI: 71.284.5 for standard therapy difference: 13.3; 95. The sequential therapy was significantly more effective in patients with clarithromycin resistant strains 88.9 patients vs. 28.6; P 0.0034. The incidence of major and minor side effects did not differ between therapy groups 17 vs. 17. 