MS 154 is a potent and selective cereblon-recruiting Degrader (PROTAC®) of mutant epidermal growth factor receptor (EGFR), comprising a cereblon-binding moiety joined by a linker to gefitinib(Iressa). MS 154 decreases EGFR protein levels, inhibits downstream signaling in and inhibits proliferation of mutant EGFR-bearing lung cancer cells (DC50values are 11 and 25 nM in HCC-827 and H3255 cells, respectively; Dmax> 95% at 50 nM), but not in WT-EGFR-bearing ovarian and lung cancer cells lines. Bioavailable in mice following ip administration.
JBJ-04-125-02 can inhibit cancer cell proliferation and EGFRL858R/T790M/C797S signaling. JBJ-04-125-02 has anti-tumor activities. JBJ-04-125-02 is a potent, mutant-selective, allosteric and orally active EGFR inhibitor with an IC50 of 0.26 nM for EGFRL858
CAY10717 is a multi-targeted kinase inhibitor that exhibits greater than 40% inhibition of 34 of 104 kinases in an enzymatic assay at a concentration of 100 nM. It has activity at multiple oncogenic kinases, with IC50 values less than 50 nM against wild-type EGFR and ABL and mutant ABLG250E, ABLY253F, ABLE255K, and B-RafV600E. CAY10717 is highly cytotoxic against a cancer cell panel that includes chemotherapy-sensitive and -resistant cell lines (EC50s = 0.4-158 nM). It also inhibits the growth of human umbilical vein endothelial cells (HUVECs; EC50 = 34 nM), a model for tumor angiogenesis.