國家衛生研究院 NHRI:Item 3990099045/4477
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    題名: Inference for clinical trials with some protocol amendments
    作者: Chow, SC;Shao, J
    貢獻者: Division of Biostatistics and Bioinformatics
    摘要: The use of adaptive methods in clinical development has become very popular in recent years due to its flexibility in modifying trial procedures and/or statistical procedures of on-going clinical trials. Modifications to trial procedures are usually documented by protocol amendments. However, the actual patient population after protocol amendments could deviate from the originally targeted patient population. In addition, protocol amendments made based on accrued data of the on-going trial may distort the sampling distribution of the statistic designed for the case of no protocol change. In this article, we model the population deviations due to protocol amendments using some covariates and study how to develop a valid statistical inference procedure. An example concerning an asthma trial is presented for illustration.
    日期: 2005
    關聯: Journal of Biopharmaceutical Statistics. 2005;15(4):659-666.
    Link to: http://dx.doi.org/10.1080/bip-200062286
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1054-3406&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000236232700010
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=22044432135
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