PHARMACOLOGIC EFFECTS OF ST-155 (CATAPRES) AND RELATED IMIDAZOLINES IN RAT

被引:27
作者
MALING, HM
CHO, AK
HORAKOVA, Z
WILLIAMS, MA
机构
[1] Laboratory of Chemical Pharmacology, National Heart Institute, National Institutes of Health, Bethesda, MD
[2] Experimental Therapeutics Branch, National Heart Institute, National Institutes of Health, Bethesda, MD
关键词
D O I
10.1159/000136038
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
The pharmacologic effects of ST-155 [2-(2,6-dichlorphenylamino)-2-imida-zoline hydrochloride, Cataprcs], a new hypotensive drug, were compared in the rat with those of two related imidazolines, naphazoline and tolazoline. Of the three imidazolines, only ST-155 produced postural hypotension in response to tilting and prevented the increased motor activity produced by dextroamphetamine in young rats. Peripherally, both ST-155 and naphazoline elicited alpha sympathomimetic effects. ST-155 was more potent in this regard. Tolazoline acted on alpha sites mainly as a blocking agent. © 1969 S. Karger AG, Basel.
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页码:337 / &
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