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注射用重组人淋巴毒素α衍生物在中国晚期肿瘤患者体内的药代动力学研究

Pharmacokinetics of injection recombinant human lymphotoxin-α derivative in Chinese advanced cancer patients
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摘要 目的评价注射用重组人淋巴毒素α衍生物(rhL Tα)在中国晚期肿瘤患者中多次给药的药代动力学特征。方法 12例晚期食管鳞癌患者和12例晚期胃癌患者分别接受10μg·m^(-2)或20μg·m^(-2)rhL Tα连续5 d静脉滴注给药,每个剂量组各12例受试者。用酶联免疫吸附法分别测定第1,5天血浆中LTα的浓度,用Winonlin 5.2软件计算主要药代动力学参数。结果第1,5天主要药代动力学参数如下,10μg·m^(-2):AUC_(0-t)分别为(9473.40±6976.95)和(9390.14±6494.89)pg·mL^(-1)·min,AUC_(0-inf)分别为(10324.26±7611.415)和(10163.09±6795.82)pg·mL^(-1)·min,C_(max)分别为(156.92±106.57)和(174.44±100.62)pg·mL^(-1),t_(max)分别为(53.42±14.87)和(54.17±17.43)min,t_(1/2)分别为(17.78±5.91)和(20.43±5.35)min,CL分别为(128.44±128.63)和(120.68±106.06)L·h^(-1)·m^(-2),V_d分别为(126.63±115.60)和(129.98±127.04)L·m^(-2);20μg·m^(-2):AUC_(0-t)分别为(26458.97±16064.90)和(25314.11±9587.38)pg·mL^(-1)·min,AUC_(0-inf)分别为(27531.84±16562.03)和(27297.33±10295.65)pg·mL^(-1)·min,C_(max)分别为(467.73±288.74)和(473.14±200.79)pg·mL^(-1),t_(max)分别为(60.91±8.31)和(60.50±3.69)min,t_(1/2)分别为(30.12±6.79)和(28.20±6.53)min,CL分别为(69.69±56.21)和(55.94±27.51)L·h^(-1)·m^(-2),V_d分别为(88.25±86.02)和(73.23±36.97)L·m^(-2)。结论 rhL Tα多次给药后LTα暴露有增加的趋势,但多次给药后平均药物谷浓度C_(min)并不随给药次数增加而升高。rhLTα的药代动力学行为显示出肿瘤患者的异质性以及个体的差异性。 Objective To study the pharmacokinetics of recombinant human lymphotoxin-α derivative( rh LTα) after multiple doses injection in Chinese advanced cancer patients. Methods Twelve advanced esophageal squamous cell carcinoma( ESCC) patients and twelve advanced gastric carcinoma( GC) patients were allocated into two arms,each consisted of 12 cases,and were received multiple dose of rh LTα( 10 μg·m^-2 or 20 μg·m^-2 once daily for 5 consecutive days) by intravenous infusion. The LTα concentrations in plasma at day 1 and day 5 were determined by enzyme-linked immunoassay method( ELASE).Results The main pharmacokinetic parameters of day 1 and day 5 were as follow: 10 μg · m^-2: AUC0-twere( 9473. 40 ± 6976. 95) and( 9390. 14 ± 6494. 89) pg · mL^-1· min,AUC0-infwere( 10324. 26 ± 7611. 415) and( 10163. 09 ± 6795. 82)pg·mL^-1·min,Cmaxwere( 156. 92 ± 106. 57) and( 174. 44 ± 100. 62) pg ·mL^-1,tmaxwere( 53. 42 ± 14. 87) and( 54. 17 ± 17. 43) min,t1/2 were( 17. 78 ± 5. 91) and( 20. 43 ± 5. 35) min,CL were( 128. 44 ± 128. 63) and( 120. 68 ± 106. 06) L·h^-1·m^-2,Vdwere( 126. 63 ± 115. 60) and( 129. 98 ± 127. 04) L·m^-2; 20 μg·m^-2:AUC0-twere( 26458. 97 ± 16064. 90) and( 25314. 11 ± 9587. 38) pg·mL^-1·min,AUC0-infwere( 27531. 84 ± 16562. 03)and( 27297. 33 ± 10295. 65) pg·mL^-1·min,Cmaxwere( 467. 73 ± 288. 74) and( 473. 14 ± 200. 79) pg·mL^-1,tmaxwere( 60. 91 ± 8. 31) and( 60. 50 ± 3. 69) min,t1/2 were( 30. 12 ± 6. 79) and( 28. 20 ± 6. 53) min,CL were( 69. 69 ± 56. 21) and( 55. 94 ± 27. 51) L·h^-1·m^-2,Vd were( 88. 25 ± 86. 02) and( 73. 23 ± 36. 97) L·m^-2.Conclusion LTα exposure level has an increasing trend after multiple intravenous infusion of rh LTα,but the average Cmin after the treatment does not increase with the increase of dosing frequency. The results show that the pharmacokinetic behavior of rh LTα has certain individual diffe
出处 《中国临床药理学杂志》 CAS CSCD 北大核心 2018年第4期421-424,431,共5页 The Chinese Journal of Clinical Pharmacology
基金 安徽省皖江学者计划基金资助项目 新世纪优秀人才支持计划基金资助项目(NCET-13-0644)
关键词 重组人淋巴毒素α衍生物 药代动力学 多次给药 肿瘤患者 recombinant human Iymphotoxin -α derivative pharmacokinetics multiple dose cancer patient
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