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    InvivoChem Cat #: V4506
    CAS #: 943540-74-7Purity ≥98%

    Description: OMO-1 (formerly known as JNJ-38877618) is a novel, potent, highly selective and orally bioavailable Met kinase inhibitor with nM binding affinity (Kd=1.4 nM) and enzyme inhibitory activity against wt and M1268T mutant MET (IC50 2 and 3 nM ). MET inhibitory effects were assessed in proliferation, colony formation and motility assays. OMO-1 displayed nM potency against MET Ampl/mutant and therapy resistant models. In vivo, OMO-1 induced complete inhibition of tumor growth in 3 models: the SNU5 MET amp gastric, U87-MG HGF autocrine glioblastoma and Hs746T MET exon 14 skipping mutant gastric cancer. OMO-1 induced regression of large MET amplified EBC-1 SqNSCLC where OMO-1 led to dose- and time-dependent inhibition of MET kinase activation, with the duration of target shut down considerably exceeding plasma exposure times. Combination treatments were well tolerated and improved EGFR targeted therapy. Although single agent OMO-1 had no effect on NSCLC HCC827 EGFR, combination with Erlotinib led to delayed onset of tumor recurrence. The acquired EGFR inhibitor resistant model HCC827-ER1 was determined to be MET amplified. OMO-1 and erlotinib both inhibited tumor growth of this model whilst combination induced tumor regression. In an EGFR inhibitor resistant PDX having MET amplification, single agent OMO-1 caused tumour stasis whereas MetMab/erlotinib only led to tumor growth delay. The potent preclinical activity observed, supports ongoing clinical development of OMO-1 in patients with MET pathway-driven tumors. with IC50s of 2 and 3 nM for wild type and mutant Met, respectively.

    References: Proceedings of the American Association for Cancer Research Annual Meeting 2018; 2018 Apr 14-18; Chicago, IL. Philadelphia (PA): AACR; Cancer Res 2018;78(13 Suppl):Abstract nr 4791.

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    Name: JNJ-38877618
    CAS#: 943540-74-7
    Chemical Formula: C20H12F2N6
    Exact Mass: 374.1092
    Molecular Weight: 374.3548
    Elemental Analysis: C, 64.17; H, 3.23; F, 10.15; N, 22.45
    Storage-20℃ for 3 years in powder form
    -80℃ for 2 years in solvent
    Technical InformationSynonym: JNJ-38877618; JNJ 38877618; JNJ38877618
    IUPAC/Chemical Name: 6-(difluoro(6-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)quinoline
    InChi Code: InChI=1S/C20H12F2N6/c21-20(22,15-3-4-16-14(12-15)2-1-9-24-16)19-26-25-18-6-5-17(27-28(18)19)13-7-10-23-11-8-13/h1-12H
    SMILES Code: FC(C1=CC=C2N=CC=CC2=C1)(F)C3=NN=C4C=CC(C5=CC=NC=C5)=NN43

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