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General pharmacology studies on β-domain deleted recombinant factor VIII

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Authors
Lee, Jang-hern; Kim, Hyun-woo; Kwon, Young-bae; Kang, Myung-soo; Choi, Dong-won; Na, Jun-ho; Kwon, Oh-kyung; Youn, Hee-jeong; Han, Ho-jae; Byun, Tae-ho; Park, Song-yong; Chun, Bok-hwan; Pyun, Jong-hwan; An, Gil-hwan; Lee, Young-jae; Cho, Myung-Haing
Issue Date
2000-01
Citation
Arzneimittel-Forschung/Drug Research, Vol.50 No.1, pp.86-92
Keywords
beta-domain deleted recombinant factor VIII, general pharmacologyfactor VIII, by genetic engineering technology
Abstract
7 beta-Domain deleted recombinant factor VIII (GC-rAHF), newly developed by Korea Green Cross Co., is a novel therapeutic for hemophiliacs and is currently under clinical evaluation. The general pharmacological properties of this drug were evaluated using mice, rats, guinea pigs and rabbits. Intravenous doses of 5 to 500 IU/kg were assayed in several tests to analyze their effects in vivo on various systems. The effect of the substance under study was also tested in vitro on isolated guinea pig ileum preparations at final concentrations of 5 to 50 IU/kg. The result of this study showed that GC-rAHF did not affect general behavior in the Irwin test. Similarly the drug was not found to affect neither normal body temperature nor the spontaneous activity in mice. III addition, it was not found to induce pharmacologically significant alterations of the cardiovascular and respiratory parameters in rats. No effects were observed either in the pentobarbital sodium-induced sleep-induction time and duration, in writhing test or in the test of pentetrazole-induced convulsion. Finally the tested drug did not modify the gastrointestinal motility, acetylcholine or histamine-induced contraction of the isolated guinea pig ileum, nor gastric secretion. The results demonstrated that GC-rAHF has no effects on the central nervous, cardiovascular, respiratory and digestive systems in the doses of 5, 50 and 500 IU/kg in vivo and 5, 10, 50 and 100 IU/kg in vitro.
ISSN
0004-4172
URI
https://hdl.handle.net/10371/172313
DOI
https://doi.org/10.1055/s-0031-1300170
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College of Veterinary Medicine (수의과대학)Dept. of Veterinary Medicine (수의학과)Journal Papers (저널논문_수의학과)
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