...we treated established Kras/Lkb1 lung cancers with Dasatinib alone, the combination of BEZ235 and AZD2644 (AZD/BEZ), or the combination of all three agents (Dasatinib/AZD/BEZ). Although Kras/Lkb1 lung tumors did not respond to Dasatinib or BEZ/AZD, the triple combination Dasatinib/BEZ/AZD resulted in significant tumor regression as detected by serial magnetic resonance imaging (MRI) (Figure 6A) and histology...