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Part III - BEBAC • Consultancy Services for Bioequivalence

Part III - BEBAC • Consultancy Services for Bioequivalence

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Taking a Biostatistical Approach to Designing a <strong>Bioequivalence</strong>B<br />

Study: Ensuring Success through Effective Planning (3/3)<br />

Potvin et al. (2007)<br />

Advantage<br />

Currently the only validated procedure <strong>for</strong> BE!<br />

Drawbacks<br />

Not validated <strong>for</strong> a correction of effect size (PE)<br />

observed in Stage 1 (must continue with the<br />

one used in sample size planning).<br />

No stop criterion (EMA GL on BE)<br />

Not validated <strong>for</strong> any other design than the<br />

conventional 2×2 crossover (no higher order<br />

cross-overs, no replicate designs).<br />

<strong>Bioequivalence</strong> & Bioavailability Studies | Munich, 252<br />

October 2010<br />

136 • 162

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