Trends and future developments in the pharmacological treatment of acute ischaemic stroke

被引:55
作者
delZoppo, GJ
Wagner, S
Tagaya, M
机构
[1] Dept. of Molec. and Exp. Medicine, Scripps Research Institute, San Diego, CA
[2] Dept. of Molec. and Exp. Medicine, Scripps Research Institute, San Diego, CA 92037, 10550 N. Torrey Pines Road
关键词
D O I
10.2165/00003495-199754010-00002
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Stroke stands as the third leading cause of death. It makes great demands on patients, who must not only survive the complications of the acute stages, but must cope then with the great physical and economic costs of long-term disabilities. Therefore, there is urgent need to establish generally useful regimens for the acute treatment of ischaemic stroke. Three treatment approaches are based upon pathophysiologic concepts derived from experimental work with focal cerebral ischaemia. These include pharmacologic strategies for arterial recanalisation, inhibition of inflammatory processes and neural protection. Focal cerebral ischaemia secondary to occlusion of a brain supplying artery initiates neuronal and microvascular events, and the simultaneous processes of inflammation which further injure tissue. The use of plasminogen activators to mediate thrombus and lysis in the acute setting has been shown to be clinically beneficial. Further work with arterial reperfusion strategies is under way. Early clinical studies with polymorphonuclear leukocyte-dependent endothelial adhesion receptor antagonists are being completed, but a strategy has yet to emerge. A large effort examining the potential efficacy of agents which may stabilise or protect neurons from ischaemic injury has shown promise in experimental models, and has been translated into clinical trials. Experimental work, and limited clinical experience, have indicated that: (a) the time window for intervention is important in limiting ischaemic and inflammatory injury, and for reducing the risk of haemorrhagic transformation; (b) putative neuroprotective strategies may potentially elongate the time interval for treatment; and (c) limitations from the adverse effects of plasminogen activators and of agents which beneficially affect neuronal dysfunction during ischaemia must yet be overcome. This review surveys pharmacological approaches currently undergoing evaluation which provide the goal of establishing effective strategies for the treatment of patients with acute cerebral ischaemia.
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页码:9 / 38
页数:30
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