- Subject must be chemotherapy naive (except Arm D, K, L and M). Prior use of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) is acceptable. For Arms D, K, and L, subjects must be non-progressors within 42 days after completion of first-line treatment with ≥4 cycles of Platinum Doublet chemotherapy with or without Bevacizumab. See below for Arm M