Early predictors of prolonged overall survival (OS) in patients (pts) on first-line chemotherapy (CT) for metastatic colorectal cancer (mCRC): An ARCAD study with individual patient data (IPD) on 10,962 pts.

3538 Background: To expedite drug development and improve treatment (trt) decisions, early indicators of trt efficacy are needed. We evaluated the pt-level association between early tumor shrinkage...