Part II - BEBAC â¢ Consultancy Services for Bioequivalence

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6/6 | Statistical Design and Analysis IIIHVDs/HVDPsinformalife sciencesReplicate designs4-period replicate designs:sample size = ½ of 2×2 study’s sample size3-period replicate designs:sample size = ¾ of 2×2 study’s sample sizeReminder: number of treatments (and biosamples)is identical to the concentional 2×2 cross-over.Allow for a safety margin – expect a higher numberof drop-outs due to the additional period(s).Consider increased blood loss (ethics!)Eventually bioanalytics has to be improved.Bioequivalence and Bioavailability, Pre-Conference Workshop | Ljubljana, 17 May 201038 • 68
6/6 | Statistical Design and Analysis IIIExample ABELinformalife sciencesRTR–TRT Replicate Design, n=18Subj Seq Per Trt Cmax Subj Seq Per Trt Cmax Subj Seq Per Trt Cmax1 1 1 R 209.91 7 1 1 R 58.49 13 2 1 T 92.761 1 2 T 111.05 7 1 2 T 62.80 13 2 2 R 59.541 1 3 R 116.36 7 1 3 R 123.23 13 2 3 T 56.842 1 1 R 101.16 8 1 1 R 105.34 14 2 1 T 159.202 1 2 T 100.31 8 1 2 T 103.32 14 2 2 R 155.502 1 3 R 31.71 8 1 3 R 43.67 14 2 3 T 165.313 1 1 R 14.83 9 1 1 R 59.73 15 2 1 T 162.413 1 2 T 57.10 9 1 2 T 169.03 15 2 2 R 47.313 1 3 R 21.47 9 1 3 R 48.26 15 2 3 T 88.234 1 1 R 118.71 10 1 1 R 38.34 16 2 1 T 19.444 1 2 T 37.34 10 1 2 T 31.19 16 2 2 R 42.804 1 3 R 52.29 10 1 3 R 19.43 16 2 3 T 18.935 1 1 R 36.11 11 2 1 T 51.95 17 2 1 T 90.585 1 2 T 83.95 11 2 2 R 195.71 17 2 2 R 42.395 1 3 R 17.76 11 2 3 T 65.87 17 2 3 T 54.576 1 1 R 146.44 12 2 1 T 18.72 18 2 1 T 42.966 1 2 T 40.45 12 2 2 R 20.63 18 2 2 R 171.866 1 3 R 38.34 12 2 3 T 7.45 18 2 3 T 59.15Bioequivalence and Bioavailability, Pre-Conference Workshop | Ljubljana, 17 May 201039 • 68
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Part II - BEBAC â¢ Consultancy Services for Bioequivalence

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Part II - BEBAC â¢ Consultancy Services for Bioequivalence