NCT01482377 2017-01-27A Study of RO5479599 Alone or in Combination With Cetuximab or Erlotinib in Participants With Metastatic and/or Locally Advanced Malignant Human Epidermal Growth Factor Receptor (HER3) Expressing Solid Tumors of Epithelial Cell OriginHoffmann-La RochePhase 1 Completed145 enrolled