Dose-Finding Based on Bivariate Efficacy-Toxicity Outcome Using Archimedean Copula

Yuxi Tao, Junlin Liu, Zhihui Li, Jinguan Lin, Tao Lu and Fangrong Yan

PLOS ONE, 2013, vol. 8, issue 11, 1-6

Abstract: In dose-finding clinical study, it is common that multiple endpoints are of interest. For instance, efficacy and toxicity endpoints are both primary in clinical trials. In this article, we propose a joint model for correlated efficacy-toxicity outcome constructed with Archimedean Copula, and extend the continual reassessment method (CRM) to a bivariate trial design in which the optimal dose for phase III is based on both efficacy and toxicity. Specially, considering numerous cases that continuous and discrete outcomes are observed in drug study, we will extend our joint model to mixed correlated outcomes. We demonstrate through simulations that our algorithm based on Archimedean Copula model has excellent operating characteristics.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0078805

DOI: 10.1371/journal.pone.0078805

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