Two hundred and fifteen consecutive out-patients with peptic ulcer disease or non-ulcer dyspepsia , in whom H. pylori infection was confirmed by histology and/or a urease biopsy test , were randomly assigned to a 1-week treatment with either 15 mg lansoprazole b.d. ( LAC15 group ) or 30 mg lansoprazole b.d. ( LAC30 group ) in combination with 1 g amoxycillin b.d. and 500 mg clarithromycin b.d.
