Duplicate LLOQ and ULOQ [Bioanalytics]

posted by Helmut Homepage – Vienna, Austria, 2020-05-27 18:30 (1424 d 22:05 ago) – Posting: # 21484
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Dear Ohlbe,

❝ Most frequent: use the first result only. If, and only if it fails (more than 20% deviation at the LLOQ, 15% at the ULOQ): exclude it and use the second. The aim being of course to avoid having to truncate the curve in case of failure.


❝ I see this less and less often. Not sure why (guess: some FDA inspectors did not like it).


Count me in. If you analyzed duplicates, use them.

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