Document Classification

Section Type: METHODS

Text: Sixty consecutive patients with active duodenal ulcer who were positive for H. pylori (by rapid urease test and 14C-urea breath test) were randomized into three treatments groups : (1) LAS (n = 21) : lansoprazole 30 mg o. m., amoxycillin 500 mg q. d. s. and secnidazole 2 g on alternate days for 2 weeks ; (2) LCS (n = 18) : lansoprazole 30 mg o. m., clarithromycin 500 mg b. d. and secnidazole 2 g on alternate days for 1 week ; (3) LPS (n = 21) : lansoprazole 30 mg o. m., pefloxacin 400 mg o. m. and secnidazole 2 g on alternate days for 2 weeks.