259.2RP-HPLC法测定人血浆中洛沙平浓度
作 者:赵敖[1] 黄伟侨[2] 陈清霞[3] 刘伟忠[4]
ZHAO Ao, HUANG Wei-qiao, (2HEN Qing-xia3, LIU Wei-zhong3 (1. Department of clinical laboratory, Shun De Wu Zhon Pei Hospital, Shunde 528333, China; 2. Department of pharmacy, The First Affiliated Hospital. Sun Yat-sen University, Guangzhou 510080, China; 3. Department of pharmacy, The Second Affiliated Hospital, Sun Yat-sen University, Guangzhou 510120, China; 4. Base of Drug Clinical Study of Guangzhou Brain Hospital, Guangzhou 510370, China)
机构地区:[1]广东顺德伍仲佩医院检验科,顺德528333 [2]中山大学附属第一医院药学部,广州510080 [3]中山大学附属第二医院药学部,广州510120 [4]广州市脑科医院国家药品临床研究基地,广州510370
出 处:《海峡药学》 2009年第21卷第6期 200-202页,共3页
Strait Pharmaceutical Journal
摘 要:目的建立测定人血浆中洛沙平浓度的高效
液相色谱法。方法以Diamonsil TM C18反相柱(150m×4.6mm,5μm)为色谱柱,流动相为0.03mol·L^-1醋酸铵.甲醇(21:79);流速:0.8mL·min^-1;柱温:40℃;检测波长:256nm。以乙酸乙酯为提取剂。结果洛沙平的高、中、低(1000.0.500.0。10.0ng·mL^-1)3种浓度平均回收率分别为99.75%、98.94%、101.93%,日内、日间差RSD均低于7%(n=5);分析方法的最低检测限为5.0ng·mL^-1;线性范围为10.0—1000.0ng·mL^-1。曲线方程:Y=83.52X-3.65,r=0.9995(n=10)。结论该方法灵敏、准确、简单、快速,可用于临床血药浓度监测和药动学研究。
OBJECTIVE To establish a method for determining the concentration of loxapine in human plasma by HPLC. METHODS The drug from plasma was analyzed in a reverse phase HPLC system C18 column (150mm·4.6mm, 5μm); mobile phase consisted of 0.03mol· L^-1 ammonioum-methanol (21:79);the flow rate was 0.8mL· min^- 1 ; the detection wavelength was at 256nm. Ethylacetate was used as extracting solvent. RESULTS The average recoveries of loxapine in high, middle and low concentrations (1000.0,400.0, 10.0ng· mL^-1) were 99.75 %, 98.94 % and 101.93 %, respectively, The intra-day and inter-day variation (RSD) was less than 7 % (n = 5). The calibration curve of loxapine showed good linearity, r = 0. 9995 (n = 10). over the range of 10.0 - 1000.0ng· mL^- l, The regression equation was Y = 83.52X - 3.65, r = 0. 9995 (n = 10). The minimum detectable concentration of loxapine was 5.0ng· mL^- 1. CONCLUSION The method is sensitive, accurate, easy and quick,which can be used for clinical drug monitoring and pharmacokinetics studies.
关 键 词:洛沙平 血药浓度 高效
液相色谱法
Lloxapine Plasma concentration HPLC