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J Biopharm Stat. 1994 Jul;4(2):147-64.

Practical modifications of the continual reassessment method for phase I cancer clinical trials.

Author information

1
Eli Lilly & Company, Lilly Corporate Center, Indianapolis, Indiana 46285.

Abstract

The continual reassessment method (1) (CRM) for phase I cancer trials provides improved estimation of the maximum tolerated dose (MTD), and fewer patients receive ineffective dose levels compared to the traditionally used design. However, the CRM has not gained acceptance in practice owing to concerns with administering dose levels that are too toxic. In this article, several conservative modifications of the CRM are introduced. The result is a procedure that improves estimation of the MTD and decreases the use of ineffective doses, without significantly increasing the use of toxic dose levels. The CRM with modification outperforms the traditional method in a simulation study.

PMID:
7951271
DOI:
10.1080/10543409408835079
[Indexed for MEDLINE]

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