作者: Marc Buyse
DOI: 10.1097/PPO.0B013E3181B9C602
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摘要: This article discusses statistical approaches to the validation of surrogate biomarkers and endpoints. One approach that has been successfully used in oncology consists estimating associations at two levels: association between clinical endpoint, called individual-level association, effects treatment on trial-level association. requires data be available from multiple randomized trials, such as a meta-analysis trials based individual patient data. The is illustrated using first-line treatments for advanced tumors colon, breast, ovary, prostate. Data several meta-analyses suggest progression-free survival an acceptable colorectal ovarian cancer, but not breast prostate cancer.