Nanotechnology for delivery of drugs to the brain for epilepsy.

Nanotechnology for delivery of drugs to the brain for epilepsy.
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DOI:
10.1016/j.nurt.2009.01.018
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发表时间:
2009-04
期刊:
Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics
影响因子:
--
通讯作者:
Saltzman WM
Saltzman WM
中科院分区:
其他
文献类型:
--
作者:
Bennewitz MF;Saltzman WM

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癫痫是由异常的电活动引起的,可以影响局部区域或整个大脑。在用药物治疗癫痫时,目的是降低癫痫发作的频率和严重程度,同时最大限度地减少对大脑和其他组织的毒性。抗癫痫药物(AED)通常通过口服和静脉注射(IV)途径给药,但这些药物治疗并不总是有效的。药物进入大脑受到许多生物因素的严重限制,特别是血脑屏障(BBB),它阻碍了AED进入和留在大脑中的能力。为了提高AED的疗效,正在开发新的药物递送策略;这些方法分为三大类:药物修饰、BBB修饰和直接药物递送。最近,所有这三种方法都通过使用载药纳米颗粒得到了改进。
Epilepsy results from aberrant electrical activity that can affect either a focal area or the entire brain. In treating epilepsy with drugs, the aim is to decrease seizure frequency and severity while minimizing toxicity to the brain and other tissues. Antiepileptic drugs (AEDs) are usually administered by oral and intravenous (IV) routes, but these drug treatments are not always effective. Drug access to the brain is severely limited by a number of biological factors, particularly the blood-brain barrier (BBB), which impedes the ability of AEDs to enter and remain in the brain. To improve the efficacy of AEDs, new drug delivery strategies are being developed; these methods fall into the three main categories: drug modification, BBB modification, and direct drug delivery. Recently, all three methods have been improved through the use of drug-loaded nanoparticles.
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