eml4-alk

EML4-ALK kinase inhibitor 1 (EML4 ALK kinase inhibitor 1) is a potent oral active inhibitor of echinoderm microtubule-associated protein-like 4-anaplastic lymphoma kinase (EML4-ALK), with an IC50 of 1 nM.

Gilteritinib (ASP2215) is a potent inhibitor of FMS-related tyrosine kinase 3 (FLT3) and AXL tyrosine kinase receptors (IC50 = 0.29 nM and <1 nM, respectively). In preclinical studies, gilteritinib demonstrated strong antileukemic and antitumor effects. Gilteritinib is currently in several Phase 3 clinical trials for acute myeloid leukemia.

Ensartinib (X-396) is a potent dual ALK MET inhibitor with IC50 values of <0.4 nM for ALK and 0.74 nM for MET.

JH-VIII-157-02 is an inhibitor of ALK and inhibits echinoderm microtubule-associated protein-like 4-ALK (EML4-ALK) with IC50s of 2 nM for EML4-ALK G1202R, EML4-ALKwt, EML4-ALK C1156Y, EML4-ALK F1174L, and EML4-ALK F1174L.

MS4078 is an inhibitor and aplastic lymphoma kinase (ALK) PROTAC (degrader) based on Cereblon ligand, with a Kd of 19 nM for binding affinity to ALK.

dALK-3 is a degrader of anaplastic lymphoma kinase (ALK) that effectively induces the degradation of EML4-ALK with a DC50 of 0.182 μM. It exhibits significant antiproliferative activity against H3122 cells and is applicable for tumor research.

DA-0157 is an orally active inhibitor targeting EGFR and ALK, designed to overcome resistance mutations in non-small cell lung cancer (NSCLC). It effectively inhibits the proliferation of Ba F3-EGFR Del19 T790M C797S (IC50= 6.9 nM), Ba F3-EGFR WT (IC50= 0.83 μM), Ba F3-EML4-ALK-L1196M (IC50= 5.5 nM), and Ba F3-EML4-ALK (IC50= 7.4 nM). Additionally, DA-0157 inhibits CYP2D6 with an IC50 of 5.26 μM and demonstrates antitumor activity in mouse models.

ALK-IN-9 (compound 40) is a highly effective ALK inhibitor, demonstrating remarkable inhibitory activity against cell proliferation, with IC50 values of <0.2 nM for Ba F3-EML4-ALK, KM 12 (TPM3-TRKA), and KG-1 cell (OP2-FGFR1).

Trk-IN-7 (compound I-6) is a highly potent TRK inhibitor, with IC50 values of 0.25-10 nM for TRKA, TRKB, and TRKC, respectively. It also shows significant inhibition of EML4-ALK (IC50 <15 nM) and ALK mutations G1202R, C1156Y, R1275Q, F1174L, L1197M, and G1269A (IC50 = 5-50 nM) [1].

CM-118 is a potent and selective dual inhibitor of c-Met and ALK which potently abrogates hepatocyte growth factor (HGF)-induced c-Met phosphorylation and cell migration, as well as phosphorylation of ALK, EML4-ALK, and ALK resistance mutants in transfected cells.

CPD-1224, an orally active derivative that binds cereblon ligands to ALK inhibitors, specifically targets and degrades EML4-ALK oncogenic fusions, including ALK and its mutants L1196M G1202R.

ALK EGFR-IN-1 (Compound 8l) is a dual inhibitor targeting both ALK and EGFR, effectively blocking their phosphorylation. It demonstrates potent inhibition of ALK EGFR mutants with IC50 values of 4.3 nM for EGFR L858R T790M in H1975 cells and 3.6 nM for EML4-ALK in BaF3 cells. This compound may be applicable in the research of non-small cell lung cancer (NSCLC) [1].

ALK EGFR-IN-2 is a potent dual inhibitor targeting ALK and EGFR, promoting apoptosis and G0 G1 cell cycle arrest in cancer cells. It effectively suppresses proliferation in H1975, PC9, and Baf3-EML4-ALK cancer cell lines, with IC50s of 0.0034, 0.0065, and 0.0018 μM, respectively [1].

ALK EGFR-IN-3 is a dual ALK and EGFR inhibitor demonstrating potent anti-proliferative effects on various cancer cell lines, including H1975, PC9, and Baf3-EML4-ALK, with IC50 values of 0.1360, 0.0332, and 0.0339 μM [1].

AP-1, a miniaturized proteolysis-targeting chimera (PROTAC) incorporating an anaplastic lymphoma kinase (ALK) ligand connected to (±)-thalidomide via an ultrashort linker, effectively degrades ALK fusion proteins such as NPM-ALK in Karpas-299 cells and EML4-ALK and ALKF1174L in SN-N-SH and NCI H3122 cells, respectively. Concentrations ranging from 10 to 300 nM are sufficient for its action, which is hindered by the proteasome inhibitor MG-132. Demonstrating selectivity, AP-1 exhibits cytotoxicity towards ALK-dependent Karpas-299 cells with an IC50 value of 0.1265 nM, while showing significantly less toxicity to non-ALK-dependent THP-1 cells (IC50 = 2,704 nM). Furthermore, it effectively reduces tumor volume in NCI H3122 mouse xenograft models at doses of 25, 50, and 100 mg/kg.

22-SLF is a PROTAC degrader that operates by FBXO22-dependent degradation of FK506 Binding Protein 12 (FKBP12) with a DC50 of 0.5 µM. Additionally, 22-SLF can degrade other endogenous proteins, such as BRD4 and the EML4-ALK fusion protein (EML4-ALK fusion protein).

SH-E4A-66 is a C2-COUPLr (COvalent Protein Ligators) featuring a carbazole skeleton, which does not include heterogeneous cysteine-reactive warheads such as acrylamide and chloroacetamide. This compound effectively couples with EML4-ALK (EC50=1.5 μM) and inhibits the kinase activity of EML4-ALK (IC50=2.3 µM).

XMU-MP-5 acts as a selective inhibitor of ALK. It inhibits ALK-mutant Ba F3 cells with an IC50 ranging from 4-50 nM and induces apoptosis in EML4-ALK Ba F3 cells. Additionally, XMU-MP-5 demonstrates antitumor activity in mice.