Luxeptinib (CG-806) is a novel pan-FLT3/pan-BTK inhibitor that is administered orally. It exhibits potent and reversible inhibition of these enzymes, acting through a non-covalent mechanism. Luxeptinib effectively induces cell cycle arrest, apoptosis, or autophagy in acute myeloid leukemia cells [1][2][3][4].

Luxeptinib (MEC-1 CLL cells; 0.1~10 μM; 72 hours) inhibits cells proliferation with an IC50 of 32 nM[1].Luxeptinib inhibits BCR signaling-induced phosphorylation of BTK, PLCg2, AKT, ERK1/2, S6 ribosomal protein and strongly suppresses SYK phosphorylation in primary chronic lymphocytic leukemia (CLL) cells[1]. Luxeptinib (MV4-11 cells; 500 pM; 1 hour) completely inhibits phosphorylation of FLT3 and STAT5[2].