FLT3 and acute myeloid leukemia: [51] characterized adaptive resistance in FLT3/ITD cells through the recovery of leukemic cell growth after treatment with FLT3 TKI for 72 h, and they found that after cessation of TKI treatment, AML cells recovered cell viability and resumed growth Therefore, we wanted to evaluate the effect of AXL inhibition on the persistence and recovery of FLT3/ITD AML cells after TKI treatment.