Treatment-naive H pylori-positive individuals were randomly assigned to a @-day regimen ( oral twice-daily doses ) with rabeprazole ( @ mg ) : standard triple therapy ( proton pump inhibitor , added clarithromycin -LSB- @ mg -RSB- and amoxicillin -LSB- @ g -RSB- -LSB- PPI-CA -RSB- ) ; sequential therapy ( ST ) added amoxicillin ( @ g ) on days @ to @ , and metronidazole ( @ mg ) and clarithromycin ( @ mg ) on days @ to @ .