The interaction between prognostic and pharmacodynamic biomarkers

被引:0
|
作者
Bouranis, L. [1 ]
Sperrin, M. [1 ]
Greystoke, A. [2 ]
Dive, C. [2 ]
Renehan, A. G. [2 ,3 ]
机构
[1] Univ Lancaster, Fylde Coll, Dept Math & Stat, Lancaster, England
[2] Univ Manchester, Paterson Inst Canc Res, Clin & Expt Pharmacol CEP Grp, Manchester, Lancs, England
[3] Univ Manchester, Fac Inst Canc Sci, Manchester, Lancs, England
基金
英国医学研究理事会;
关键词
EARLY CLINICAL-TRIALS; CIRCULATING BIOMARKERS; VALIDATION; CANCER; GUIDELINES; LYMPHOMA;
D O I
10.1038/bjc.2013.527
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Background: Interactions between prognostic and pharmacodynamic (PD) biomarkers have received little attention. Methods: Prognostic and PD utilities were assessed with linear mixed-effects models using published data on repeated measurements of circulating caspase-cleaved (ctCK18) and total (tCK18) cytokeratin 18, in 57 patients with metastatic colorectal cancer undergoing chemotherapy. Results: The model for tCK18 (but not cCK18) separated the prognostic/PD interaction from the pure prognostic effect, illustrating the principle of dual prognostic and PD characteristics for a given biomarker. Conclusion: These models provide the framework for the analysis and interpretation of longitudinal data to detect prognostic/PD biomarker interactions.
引用
收藏
页码:1782 / 1785
页数:4
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