| a randomized, double-blind, placebo-controlled trial of single-dose ciprofloxacin versus erythromycin for the treatment of chancroid in nairobi, kenya. | a randomized, double-blind, placebo-controlled clinical trial was conducted in nairobi, kenya, to compare single-dose ciprofloxacin with a 7-day course of erythromycin for the treatment of chancroid. in all, 208 men and 37 women presenting with genital ulcers clinically compatible with chancroid were enrolled. ulcer etiology was determined using culture techniques for chancroid, serology for syphilis, and a multiplex polymerase chain reaction for chancroid, syphilis, and herpes simplex virus (hs ... | 1999 | 10558945 |