The present invention features methods, devices, and kits for detecting
gene expression in a patient with a
cancer or determining responsive of a patient with a
cancer to a treatment, such as treatment with dovitinib or a pharmaceutically acceptable salt thereof. The invention further includes methods of treating a patient with a
cancer by administering a treatment, e.g., treatment with dovitinib or a pharmaceutically acceptable salt thereof, in particular when the patient is determined to be responsive to the treatment based on the expression of the biomarkers described herein.