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dacapo

木虫 (正式写手)

[求助] 大鼠单次给药浓度已确定,换算成7天给药,怎么确定每次的浓度,换算公式?

大鼠静脉注射单次给药已经确定有药效,单次注射的浓度也已经确定,现要换算成灌胃7天给药,怎么通过单次注射的浓度来确定7次注射每次的浓度?我记得应该有个换算公式的。确定浓度后,如果分成7天给药,会降低药效吗?
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walkinghand

金虫 (小有名气)

【答案】应助回帖

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jiangchunyong(金币+1): 谢谢应助!欢迎常来! 2011-09-07 14:07:13
dacapo(金币+3): 2011-09-22 21:20:29
没咋明白你的意思,知道浓度了就有给药剂量了的(mg/kg),和给药方法没撒关系,只要确定你要用的给药方法有效、无损老鼠即可。关于给药7天,也是每天一次,剂量按单次给药走,主要是让药物在体内恒定,达峰值,我们多采用一天给两次,三天后处死,测指标,方便实用。
呵呵,不知和你问的沾边不
2楼2011-09-07 12:32:17
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