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发表于 2016-11-19 09:31:42
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Bracketing approach. 括号法(分组法)
A science and risk based validation approach such that only batches on the extremes of certain predetermined and justified design factors, e.g. strength, batch size and/or pack size, are tested during process validation. The design assumes that validation of any intermediate levels is represented by validation of the extremes. Where a range of strengths is to be validated, bracketing could be applicable if the strengths are identical or very closely related in composition, e.g. for a tablet range made with different compression weights of a similar basic granulation or a capsule range made by filling different plug fill weights of the same basic composition into different size capsule shells. Bracketing can be applied to different container sizes or different fills in the same container closure system.
一种基于风险的科学验证方法,采用该方法进行工艺验证的过程中,只对预定或经过论证的设计因素,例如,剂量、批量和/或包装规格,的极端条件进行测试。该设计假定所有中间水平的验证可以由极端情况的验证来代表。如果要验证的是一个范围的剂量,这些剂量的组成是相同的或相近的,例如,有类似的基本制粒过程,但片重不同的一系列片剂,或具有相同的基本组成,都是采取填充形式装入不同大小的胶囊壳中的胶囊制剂,就可以应用分组法,括号法可以用于不同包装规格或同一容器密闭系统里不同灌装规格。 |
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