巯基十二硼烷二钠盐的急性毒性与药代动力学研究

The Acute Toxicity and Pharmacokinetics of the BSH

摘要: 本研究采用210、300、430、614 mg/kg四个剂量对巯基十二硼烷二钠盐（BSH）进行了急性毒性实验，得到其半数致死量（LD₅₀）为381.94 mg/kg，LD₅₀的95%置信区间为334.97 mg/kg，435.51 mg/kg。进行BSH的药代动力学初步研究，根据给药后得到的药时曲线，选用三房室模型拟合得到BSH的半衰期分别为t_1/2α=3.6 min、t_1/2β=55.8 min、t_1/2γ=6.26 h；表观分布容积Vd为3 523.58 mL/kg、药时曲线面积AUC为247.55 hr*μg/mL、清除率CL为3 572.45 mL/hr/kg。在小鼠体内的生物分布结果表明，BSH在血液中清除较快，各器官在注射后30 min达到最大摄取，其在体内主要通过肾脏排泄。以上研究结果可为BSH在国内临床应用的安全性提供实验基础。

Abstract: In this study, the acute toxicity of BSH was studied at doses of 210, 300, 430, 614 mg/kg, and the LD₅₀ was calculated at 381.94 mg/kg. A three-compartment model system was used to evaluate the pharmacokinetics of the BSH, and the pharmacokinetic parameters, such as t_1/2，Vd, AUC, CL of BSH were calculated: t_1/2α=3.6 min, t_1/2β=55.8 min, t_1/2γ=6.26 h, Vd=3 523.58 mL/kg, AUC= 247.55 hr*μg/mL, CL=3572.45 mL/hr/kg. The biodistribution of the BSH was studied in normal mice, from which the characteristics of biodistribution of BSH was analyzed.