A method of identifying a subject having cancer who is likely to benefit from treatment with a combination therapy with a RAF inhibitor and a second inhibitor is provided. A method of treating cancer in a subject in need thereof is also provided and includes administering to the subject an effective amount of a RAF inhibitor and an effective amount of a second inhibitor, wherein the second inhibitor is a MEK inhibitor, a CRAF inhibitor, a CrkL inhibitor or a TPL2/COT inhibitor. A method of identifying a kinase target that confers resistance to a first inhibitor is also provided.
