It was previously shown that AXL overexpression is associated with poor prognosis, metastasis, as well as drug resistance in various hematological and solid tumors, and that inhibition of AXL phosphorylation could overcome drug resistance to FLT3 inhibitors. CTS-2016 is an AXL/FLT3 inhibitor being developed by Cytosinlab Therapeutics Co. Ltd. as a novel tyrosine kinase inhibitor for cancer.