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Disregard limit & Method Validation

Posted: Tue Mar 18, 2008 8:48 pm
by Milosh
Hi!
I am validating analytical methods onto HPLC and UPLC, and I have one question.
I validate Pharmacopeiae HPLC method for impurities in which solution for disregard limit is given. Does it mean, that LOQ=disregard limit conc? Practicaly yes, but what should I have to test under LOQ and LOD determination, and Repeatability onto LOQ, also???

Regards!

Milosh

Posted: Wed Mar 19, 2008 8:54 am
by bartjoosen
Please take a look at the ICH guidelines:
http://www.emea.europa.eu/pdfs/human/ich/038195en.pdf
(p 12)

This will provide you with some approaches.