期刊
EUROPEAN JOURNAL OF CANCER
卷 49, 期 4, 页码 769-781出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ejca.2012.09.035
关键词
Guidelines as topic; Clinical trial surrogate endpoints; Endpoint definitions; Survival analysis; Clinical protocol
类别
资金
- La Ligue Nationale Contre le Cancer
- European Organization for Research and Treatment of Cancer (EORTC)
- French National Cancer Institute (INCa)
Introduction: In randomised phase III cancer clinical trials, the most objectively defined and only validated time-to-event endpoint is overall survival (OS). The appearance use of surrogate endpoints for overall survival such as progression-free survival (PFS), or time-to-treatment failure. Their development is strongly influenced by the necessity of reducing clinical trial duration, cost and number of patients. However, while these endpoints are frequently used, they are often poorly defined and definitions can differ between trials which may limit their use as primary endpoints. Moreover, this variability of definitions can impact on the trial's results by affecting estimation of treatments' effects. The aim of the Definition for the Assessment of Time-to-event Endpoints in CANcer trials (DATECAN) project is to provide recommendations for standardised definitions of time-to-event endpoints in randomised cancer clinical trials. Methods: We will use a formal consensus methodology based on experts' opinions which will be obtained in a systematic manner. Results: Definitions will be independently developed for several cancer sites, including pancreatic, breast, head and neck and colon cancer, as well as sarcomas and gastrointestinal stromal tumours (GISTs). Discussion: The DATECAN project should lead to the elaboration of recommendations that can then be used as guidelines by researchers participating in clinical trials. This process should lead to a standardisation of the definitions of commonly used time-to-event endpoints, enabling appropriate comparisons of future trials' results. (C) 2012 Elsevier Ltd. All rights reserved.
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