Nonsense in Guideline(s) [Software]

posted by Helmut Homepage – Vienna, Austria, 2009-04-08 15:07 (6276 d 05:14 ago) – Posting: # 3501
Views: 7,837

❝ I am traveling [...]



Sayonara, NewInPK!

❝ In the meantime I'll try to rephrase my first question [...]


You guessed right: individual = patient/person/subject/volunteer/animal/borg... ;-)

❝ How can there be a geometric mean for a BE measure of a subject?

❝ One subject has only one value for a BE measure for one product.


I told you before that WinNonlin's manual only quoted FDA's guideline. The wording there is nonsense. Forget about the 'geometric mean' - what FDA means is a table of individual PK metrics (AUC, Cmax,...) and ratios like this one ...
subject  test reference   T/R
  1       95     100     0.9500
  2       97     115     0.8435
 ..      ...     ...     ......
 24      118      85     1.3882

... which is provided by WinNonlin.

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