UNC569 is a novel small-molecule MER inhibitor with efficacy against acute lymphoblastic leukemia in vitro and in vivo. UNC569 is the first small-molecule Mer inhibitor. UNC569 inhibited Mer activation and downstream signaling through ERK1/2 and AKT.
Gilteritinib is a potent FLT3/AXL inhibitor, which showed potent antileukemic activity against AML with either or both FLT3-ITD and FLT3-D835 mutations.
RU-301 is a pan-TAM receptor inhibitor, exerts pan-TAM inhibitory activity by binding at the interface between Gas6 and the Ig1 domain of the respective TAMs with Kd and IC50 values of 12 μM and 10 μM, respectively.
XL092 is an ATP-competitive inhibitor of multiple RTKs including MET, VEGFR2, AXL and MER, with IC50 values in cell-based assays of 15, 1.6, 3.4, and 7.2 nM respectively.