作者用前瞻性双盲法研究新的抗生素Bicozamycin预防急性旅行者腹泻的效果。30例成年健康旅行受试者(从美国旅行到墨西哥)随机分成2组,治疗组口服Bicozamycin(50mg,qid),对照组接受安慰剂,双盲试验3周。结果表明,治疗组11人无1例发生腹泻, The authors used a prospective, double-blind study of the effect of a new antibiotic, Bicozamycin, on the prevention of acute travelers’ diarrhea. Thirty adult healthy travel subjects (traveling from the United States to Mexico) were randomized into two groups: the treatment group was orally administered with Bicozamycin (50 mg, qid), the placebo was given to the control group, and the trial was double-blind for 3 weeks. The results showed that 11 patients in the treatment group without diarrhea,