國家衛生研究院 NHRI:Item 3990099045/7985
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    題名: An approximate approach to sample size determination in bioequivalence testing with multiple pharmacokinetic responses
    作者: Tsai, CA;Huang, CY;Liu, Jp
    貢獻者: Division of Biostatistics and Bioinformatics
    摘要: The approval of generic drugs requires the evidence of average bioequivalence (ABE) on both the area under the concentration–time curve and the peak concentration Cmax. The bioequivalence (BE) hypothesis can be decomposed into the non-inferiority (NI) and non-superiority (NS) hypothesis. Most of regulatory agencies employ the two one-sided tests (TOST) procedure to test ABE between two formulations. As it is based on the intersection–union principle, the TOST procedure is conservative in terms of the type I error rate. However, the type II error rate is the sum of the type II error rates with respect to each null hypothesis of NI and NS hypotheses. When the difference in population means between two treatments is not 0, no close-form solution for the sample size for the BE hypothesis is available. Current methods provide the sample sizes with either insufficient power or unnecessarily excessive power. We suggest an approximate method for sample size determination, which can also provide the type II rate for each of NI and NS hypotheses. In addition, the proposed method is flexible to allow extension from one pharmacokinetic (PK) response to determination of the sample size required for multiple PK responses. We report the results of a numerical study. An R code is provided to calculate the sample size for BE testing based on the proposed methods.
    日期: 2014-09
    關聯: Statistics in Medicine. 2014 Aug;33(19):3300-3317.
    Link to: http://dx.doi.org/10.1002/sim.6182
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0277-6715&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000339430800005
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84903984509
    顯示於類別:[劉仁沛(1998-2002)] 期刊論文

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