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作 者:闵琦[1] 王华庆[1] 钱正子[1] 宋拯[1] 赵静[1] 刘霞[1] 张会来[1] 周世勇[1]
机构地区:[1]天津医科大学肿瘤医院淋巴瘤科,国家肿瘤临床医学研究中心,天津市肿瘤防治重点实验室,天津300060
出 处:《中国新药杂志》2015年第3期312-316,共5页Chinese Journal of New Drugs
摘 要:目的:评价注射用盐酸苯达莫司汀在肿瘤患者体内的药动学特征。方法:10例受试者接受120mg·m^-2盐酸苯达莫司汀慢速静脉滴注,以苯达莫司汀中间体为内标,采用高效液相法(HPLC)测定给药后血浆药物浓度,以DAS2.1软件进行药动学参数的计算分析。结果:血药浓度在5~10000ng·mL^-1剂量范围内线性关系良好。静脉滴注120mg·m^-2盐酸苯达莫司汀(4h),平均消除半衰期(t1/2)、达峰浓度(Cmax)、达峰时间(Tmax)及血药浓度-时间曲线下面积(AUC_0-t)分别为(0.389±0.052)h、(2.2±0.8)μg·mL^-1、(2.9±1.2)h、(6.7±1.8)·g·mL^-1·h。受试者在研究期间未发生Ⅲ度及以上不良反应。结论:本研究建立的检测方法简单快速,试剂消耗少,准确度及精密度良好,适合盐酸苯达莫司汀人体药动学研究。单次静脉注射盐酸苯达莫司汀,受试者耐受良好。Objective: To evaluate the pharmacokineties of bendamustine hydroehloride in cancer patients. Methods : Ten cancer patients received intravenous bendamustine hydroehloride ( 120 mg· m^-2 ). The plasma con- centrations of bendamustine hydrochloride were determined by high-performance liquid chromatography ( HPLC ). DAS 2. 1 software was applied to calculate and assess the plasma concentration-time data. Results: The plasma concentrations of bendamustine increase proportionally over the dose range of 5 to 10 000 ng· mL^-1. After intrave- nous injection of 120 mg· m^-2 bendamustine hydroehloride to the subjects over 4 hours, the mean value of t1/2 was (0. 389 ±0.052) h, Cmax was (2.2 ±0.8) ng·m^-1, and Tmax was (2.9 ± 1 .2) h. The AUCo-t of bendamustine hydroehloride was (6.7 ± 1.8) μg· mL^- 1 · h. No grade 3 or grade 4 toxicity was observed during the study. Con- clusion: A simple, rapid, and high cost-effective HPLC method for bendamustine hydrochloride quantification in human plasma has been developed and validated. All the participants are well-tolerated throughout the study.
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