Sequential Designs for Clinical Trials
Sequential Designs for Clinical Trials
复制标题
临床试验的序贯设计
DOI:
10.1007/978-1-4614-0140-7_3
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发表时间:
2012
影响因子:
1.7
通讯作者:
KyungMann Kim
中科院分区:
文献类型:
--
作者:
KyungMann Kim
Sequential designs for clinical trials based on repeated significance testing approach will be described in detail in this chapter. The term sequential design here refers to a design that allows sequential analysis and includes estimation of the maximum sample size. This is done based on the efficient score test statistics over time whose joint distribution is known to have an independent increment structure, allowing for easy numerical computation necessary for design and analysis. We start by reviewing the usual fixed design based on normal data and generalizing to nonnormal data based on the efficient score test. We then review classical group sequential designs for normal data and the estimation of the maximum sample size and discuss information-based group sequential designs, including estimation of the maximum information based on an inflation factor. Following information-based group sequential designs, we review information-based group sequential analysis and the type I error spending function approach to interim analysis. This approach accommodates the practical aspects of interim analyses, including unequal increments in statistical information between successive analyses and an unpredictable number of repeated significant tests. We review the implementation of an information-based group sequential design and analysis of a randomized, controlled trial using the Cancer and Leukemia Group B trial 8433 in stage III non-small cell lung cancer (NSCLC) as an example.
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影响因子:
2
作者:
LAN, KKG;DEMETS, DL
通讯作者:
DEMETS, DL
影响因子:
2
作者:
Kim,K;Demets,DL
通讯作者:
Demets,DL
影响因子:
158.5
作者:
DILLMAN, RO;SEAGREN, SL;GREEN, MR
通讯作者:
GREEN, MR
影响因子:
2
作者:
Kim,K
通讯作者:
Kim,K
影响因子:
6.1
作者:
Kim,K
通讯作者:
Kim,K