Bingo! [Two-Stage / GS Designs]

posted by jatkins_5 – Philippines, 2014-10-30 04:53 (4251 d 21:37 ago) – Posting: # 13814
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An option would be to use EMA’s approach of “leaving one out”; you would get only the pooled variance of the remaining pair.


Good day sirs!

In the above quote, is it statistically valid to establish ANOVA using drugs A and B only (as if done like a 2-way 2-seq crossover) in stage 1 (Potvin Method C) even though the study was done on a 3-way 6-seq crossover (Williams design) with drugs A, B and C? (asssuming the protocol specifically states that sequential BE shall be done on drugs A and B only; drug C shall be done for descriptive statistics determination only). Also, may I ask what specific EMA guideline mentioned the above approach so I could explore the topic further. I know a lot of discussion has already been poured on sequential BE, but I couldn't find a specific answer to my query. Many thanks in advance!

jerry

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