Efficacy of 5-nitroimidazole derivatives in treatment of bacterial vaginosis

Abstract

To evaluate the efficacy and adverse effects of 5-nitroimidazole derivatives in treatment of bacterial vaginosis (BV). 278 BV patients were randomly divided into 8 groups to be treated with (1) oral metronidazole sustained release tablet 750 mg/day for 7 days, (2) oral metronidazole sustained release tablet 750 mg/day for 7 days and vaginal tinidazole 250 mg for 7 days, (3) oral tinidazole 1 g/day for 3 days (2 g for the first dose), (4) oral tinidazole 1 g/day for 3 days (2 g for the first dose), (5) oral ornidazole 2 x 500 mg/day for 3 days and vaginal tinidazole 250 mg for 7 days, (6) oral ornidazole 2 x 500 mg/day for 3 days, (7) oral secnidazole 2 g in a single dose and vaginal tinidazole 250 mg for 7 days, and (8) oral secnidazole 2 g in a single dose. The clinical cure rates of the oral administration groups were 56.76% - 62.50%, all significantly lower than those of the oral/vaginal combination groups (80.00% - 86.11%, all P < 0.05). There was nit significantly difference in efficacy level among the only oral treatment groups and the oral/vaginal combination groups (all P > 0.05). Combination of oral and vaginal administration of 5-nitroimidazole derivatives is more effective in treatment of BV than oral administration only.