...plasma biomarkers were measured in 494 (69%) patients (sorafenib plus erlotinib, n = 243; sorafenib plus placebo, n = 251)...Treatment arm-independent analyses showed that elevated hepatocyte growth factor [HGF; HR, 1.687 (high vs. low expression); endpoint multiplicity adjusted (e-adj) P = 0.0001] and elevated plasma VEGFA (HR, 1.386; e-adj P = 0.0377) were significantly associated with poor overall survival (OS) in multivariate analyses...