Tumour-size as a surrogate for overall survival in advanced colorectal cancer


Session type:


Tomasz Burzykowski1
1Hasselt University


It has been shown (for instance, in metastatic breast cancer or advanced colorectal cancer) that tumour response is not a valid surrogate for overall survival. However, tumour response is a binary endpoint and it ignores information contained in the change in tumour size, upon which it is based. Thus, one can ask question whether change in tumour size might be a better candidate for a surrogate for overall survival. In the presentation we will present results of an analysis aiming at answering this question using a database of clinical trials in colorectal cancer.