The serum and cerebrospinal fluid pharmacokinetics of anakinra after intravenous administration to non-human primates

被引:40
作者
Fox, Elizabeth [1 ]
Jayaprakash, Nalini [2 ]
Pham, Tuyet-Hang [3 ]
Rowley, Ayana [3 ]
McCully, Cynthia L. [2 ]
Pucino, Frank [3 ,4 ]
Goldbach-Mansky, Raphaela [3 ]
机构
[1] Childrens Hosp Philadelphia, Div Oncol, Philadelphia, PA 19104 USA
[2] NCI, Pediat Oncol Branch, Bethesda, MD 20892 USA
[3] NIAMSD, NIH, Bethesda, MD 20892 USA
[4] US FDA, Ctr Drug Evaluat & Res, DHHS, Silver Spring, MD USA
关键词
IL-1Ra; IL-1; Anakinra; Pharmacokinetics; NOMID; INTERLEUKIN-1 RECEPTOR ANTAGONIST; BRAIN; BLOOD; PLASMA;
D O I
10.1016/j.jneuroim.2010.03.022
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
071005 [微生物学]; 100108 [医学免疫学];
摘要
Anakinra improves the central nervous system manifestations of neonatal-onset multisystem inflammatory disease, which is mediated by IL-1 beta oversecretion. The cerebrospinal fluid (CSF) penetration of the IL-1 receptor antagonist anakinra was studied in rhesus monkeys after intravenous doses of 3 and 10 mg/kg. Drug exposure (area under concentration-time curve) in CSF was 0.28% of that in serum. The average CSF concentration at 3 mg/kg was 1.8 ng/mL, which is 30-fold higher than endogenous CSF levels of IL-1Ra. The CSF penetration was not dose-dependent, indicating that the CSF penetration was not saturated in the 3 to 10 mg/kg dose range. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:138 / 140
页数:3
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