Objective To compare the efficacy and safety of palonosetron hydrochloride and tropisetron hydrochloride on prevention of gastrointestinal side effects caused by chemotherapeutic drugs. Methods Patients were randomly divided into 2 groups by self-cross comparison: AB group (palonosetron hydrochloride was given in the first cycle and tropisetron hydrochloride in the second ) and BA group ( the treatment was in an opposite way ). Results A total 63 patients were evaluable. The amelioration of anorexia, nausea and vomiting were similar in both groups, 0-24 hours after treatment. The inhibition of anorexia, nausea and vomiting in the palonosetron hydrochloride group was significantly obvious than that in the tropisetron hydrochloride treated group,24-120 hours and 0-120 hours after the treatment,( P＜0.05 ). The most common adverse event was headache for these drugs. Conclusion Palonosetron hydrochloride is more effective on delaying nausea and vomiting than tropisetron hydrochloride and with few side effects,which is worth for the clinic use.%目的 观察盐酸帕洛诺司琼预防化疗药物所致胃肠道反应的疗效和安全性,并与盐酸托烷司琼进行对比.方法 采用随机自身交叉对照,63例入选患者分为AB组32例和BA组31例,AB组第1周期应用盐酸帕洛诺司琼,第2周期应用盐酸托烷司琼;BA组则相反.结果 可评价患者63例,化疗后0～24 h盐酸帕洛诺司琼和盐酸托烷司琼对化疗引起的食欲不振、恶心和呕吐的有效率相似,在24～120 h和0～120 h,盐酸帕洛诺司琼对化疗引起的食欲不振、恶心和呕吐的有效率优于盐酸托烷司琼,差异有统计学意义(P＜0.05).两药的不良反应相似,主要为头痛和便秘.结论 盐酸帕洛诺司琼对延迟性恶心呕吐的有效性优于盐酸托烷司琼,值得临床推广应用.
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