NCT02788279 2019-12-11A Study to Investigate Efficacy and Safety of Cobimetinib Plus Atezolizumab and Atezolizumab Monotherapy Versus Regorafenib in Participants With Metastatic Colorectal Adenocarcinoma (COTEZO IMblaze370)Hoffmann-La RochePhase 3 Completed363 enrolled 19 charts