Drug-virus interaction: effect of administration of recombinant adenoviruses on the pharmacokinetics of docetaxel in a rat model.

Drug-virus interaction: effect of administration of recombinant adenoviruses on the pharmacokinetics of docetaxel in a rat model.
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DOI:
10.1038/cgt.2008.99
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发表时间:
2009-05
影响因子:
6.4
通讯作者:
--
中科院分区:
医学3区
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现代癌症治疗将重组病毒与由肝细胞色素P450 3A 4(CYP 3A 4)代谢的传统化疗药物相结合。单剂量的表达β-半乳糖苷酶的重组腺病毒(Ad)(AdlacZ)显著改变大鼠CYP 3A 2,CYP 3A 4的相关物,持续14天。表达人p53的重组腺病毒(Adp 53)也抑制CYP 3A 2。给予AdlacZ的动物中多西他赛(DTX)的血浆清除率(3.38 ± 0.22 L/h/kg)显著低于单独给予DTX的动物(6.41 ± 1.10 L/h/kg,p≤0.05)。给予AdlacZ的大鼠的DTX血浆浓度-时间曲线下面积(2,987.37 ± 197.97 ng/ml/h)显著大于单独给予药物的大鼠(1,666.59 ± 317.04 ng/ml/h,p≤0.05)。两种病毒均延长了DTX半衰期(t1/2)。Ad感染可能导致抗癌药物的药代动力学和药效学的显著变异性,在为病毒感染患者和入组采用重组病毒的临床试验的患者设计治疗方案时应予以考虑。
Modern cancer therapy combines recombinant viruses with traditional chemotherapeutic agents that are metabolized by hepatic cytochrome P450 3A4 (CYP3A4). A single dose of recombinant adenovirus (Ad) expressing beta-galactosidase (AdlacZ) significantly alters CYP3A2, the correlate of CYP3A4, in rats for 14 days. Recombinant adenovirus expressing human p53 (Adp53) also suppresses CYP3A2. Plasma clearance of docetaxel (DTX) in animals given AdlacZ (3.38 ± 0.22 L/h/kg) was significantly lower than that of those given DTX alone (6.41 ± 1.10 L/h/kg, p≤0.05). Area under the plasma concentration-time curve of DTX in rats given AdlacZ (2,987.37 ± 197.97 ng/ml/h) was significantly greater than those given drug alone (1,666.59 ± 317.04 ng/ml/h, p≤0.05). Both viruses prolonged DTX half-life (t1/2). Ad infection may cause significant variability in the pharmacokinetics and pharmacodynamics of anti-cancer agents and should be considered when designing therapeutic regimens for patients with viral infection and those enrolled in clinical trials employing recombinant viruses.
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