3-period full replicates [Design Issues]
❝ I think some countries like ours are very traditional in following guidelines,…
Agree. But the Egyptian GL of 2017 in Section 3.2 recommends the EMA’s approach and not the FDA’s. That’s not a different league but a different sport. For the SAS-codes recommended by the EMA see the Q&A document. Alternatively* you can use Phoenix/WinNonlin, STATISTICA, SPSS, Stata, JPM, or the -package
❝ why using partially replicate design is not favorable nowadays?
As a starter see this post and that one. I suggest also to search the forum with the keywords lousy and design. Most important reasons:
- FDA model
If swR <0.294 you are not allowed to employ reference-scaling. The model for ABE might not converge in any software. Study done, no result. Bad luck.
- All models
A three period full replicate design (TRT|RTR or TRR|RTT) is more informative than partial replicates because you can estimate the within-subject variance of T as well.
- Schütz H, Tomashevskiy M, Labes D, Shitova A, González-de la Parra M, Fuglsang A. Reference Datasets for Studies in a Replicate Design intended for Average Bioequivalence with Expanding Limits. AAPS J. 2020; 22(2):44. doi:10.1208/s12248-020-0427-6.
Electronic Supplementary Material:
Software codes, datasets, -script for installation qualification of
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- Sequence assignments in partially replicate design Loky do 2020-07-19 01:33 [Design Issues]