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首页> 外文期刊>Antimicrobial agents and chemotherapy. >Activity of LY333328 in experimental meningitis caused by a Streptococcus pneumoniae strain susceptible to penicillin.
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Activity of LY333328 in experimental meningitis caused by a Streptococcus pneumoniae strain susceptible to penicillin.

机译:LY333328在对青霉素敏感的肺炎链球菌菌株引起的实验性脑膜炎中的活性。

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摘要

In a rabbit model of Streptococcus pneumoniae meningitis single doses of 10 and 2.5 mg of the glycopeptide LY333328 per kg of body weight reduced bacterial titers in cerebrospinal fluid (CSF) almost as rapidly as ceftriaxone at 10 mg/kg/h (changes in log CFU, -0.29 +/- 0.21 and -0.26 +/- 0.22 versus -0.34 +/- 0.15/ml/h). A dose of 1 mg/kg was bacteriostatic (change in log CFU, 0.01 +/- 0.11/ml/h). In two animals receiving LY333328 at a dose of 40 mg/kg the bacterial titers were reduced by 0.54 and 0.51 log CFU/ml/h. The penetration of CSF by LY333328 was 1 to 5%. The concentrations of lipoteichoic and teichoic acids in CSF and neuronal damage were similar in ceftriaxone- and LY333328-treated animals.
机译:在肺炎链球菌脑膜炎的兔子模型中,每公斤体重单剂量10和2.5 mg糖肽LY333328降低的脑脊液(CSF)细菌滴度几乎与头孢曲松钠一样快,剂量为10 mg / kg / h(log CFU的变化) ,-0.29 +/- 0.21和-0.26 +/- 0.22对-0.34 +/- 0.15 / ml / h)。 1 mg / kg的剂量具有抑菌作用(log CFU的变化为0.01 +/- 0.11 / ml / h)。在以40mg / kg的剂量接受LY333328的两只动物中,细菌滴度降低了0.54和0.51log CFU / ml / h。 LY333328对CSF的渗透率为1%至5%。在用头孢曲松和LY333328治疗的动物中,脑脊液和神经元损伤中脂蛋白和酸的浓度相似。

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