The patients received levofloxacin @ mg daily , amoxicillin @ g b.i.d. and lansoprazole @ mg b.i.d. for ten days ( LAL ) in the levofloxacin group ; moxifloxacin @ mg daily , amoxicillin @ g b.i.d. and lansoprazole @ mg b.i.d. ( MAL ) in the moxifloxacin group ; and clarithromycin @ mg b.i.d. , amoxicillin @ g b.i.d. and lansoprazole @ mg b.i.d. ( CAL ) in the standard treatment group .