Extended model-based designs for more complex dose-finding studies.

Extended model-based designs for more complex dose-finding studies.
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DOI:
10.1002/sim.4024
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发表时间:
2011-07-30
影响因子:
2
通讯作者:
Conaway, Mark
Conaway, Mark
中科院分区:
医学3区
文献类型:
--
作者:
O'Quigley, John;Conaway, Mark

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我们讨论了基于模型的设计的扩展,如持续重新评估方法,用于剂量发现研究。我们不是使用单一模型来进行剂量测定研究的设计和分析,而是指出如何使用几个模型可以大大增加灵活性。我们可以求助于贝叶斯模型选择的既定结果,这种方法使推理问题本质上简单明了。更大的灵活性使我们能够处理许多不同种类的增加的复杂性。例子包括处理受试者异质性的扩展模型、考虑不同治疗计划的扩展模型和处理部分排序问题的扩展模型。
We discuss extensions of model-based designs, such as the continual reassessment method, for use in dose-finding studies. Rather than work with a single model to carry out the design and analysis of a dose-finding study we indicate how the use of several models can greatly increase flexibility. We can appeal to established results on Bayesian model choice and this device makes the inferential problem essentially straightforward. The greater flexibility enables us to take on board many different kinds of added complexity. Examples include extended models to deal with subject heterogeneity, extended models to take account of different treatment schedules and extended models to tackle the problem of partial ordering.
DOI: 10.1111/1541-0420.00050
发表时间: 2003-06-01
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