h441

Capmatinib (INCB28060) is an orally bioavailable inhibitor of the proto-oncogene c-Met (HGFR)with potential antineoplastic activity.

Capmatinib 2HCl (INC-280 2HCl) is a novel, ATP-competitive inhibitor of c-MET kinase with an IC50 with 0.13 nM.Capmatinib 2HCl exhibits picomolar enzymatic potency and is highly specific for c-MET with more than 10, 000-fold selectivity over a large panel of human kinases. This inhibitor potently blocks c-MET phosphorylation and activation of its key downstream effectors in c-MET-dependent tumor cell lines. As a result, Capmatinib 2HCl potently inhibits c-MET-dependent tumor cell proliferation and migration and effectively induces apoptosis in vitro.

Capmatinib xHCl (INCB28060) is a potent, orally active, selective, and ATP competitive c-Met kinase inhibitor, potently blocking in vitro kinase activity (IC50 = 0.13 nM) as well as constitutive or HGF-stimulated activity in cells (IC50 values range from 0.3 to 1.1 nM).

Capmatinib 2HCl.H2O (NVP-INC280 2HCl.H2O) is an orally bioavailable inhibitor of the proto-oncogene c-Met (HGFR)with potential antineoplastic activity.

CLEFMA has anti-proliferative activity. CLEFMA inhibits tumor growth associated with NF-κB-regulated anti-inflammatory and anti-metastatic effects.

KRC-108 is a multiple kinase inhibitor. KRC-108 is a potent inhibitor of Ron, Flt3 and TrkA as well as c-Met. KRC-108 inhibited oncogenic c-Met M1250T and Y1230D more strongly than wild type c-Met. The anti-proliferative activity of KRC-108 was measured by performing a cytotoxicity assay on a panel of cancer cell lines. The GI(50) values (i.e., 50% inhibition of cell growth) for KRC-108 ranged from 0.01 to 4.22 μM for these cancer cell lines. KRC-108 was also effective for the inhibition of tumor growth in human HT29 colorectal cancer and NCI-H441 lung cancer xenograft models in athymic BALB c nu nu mice. This molecule should serve as a useful lead for inhibitors targeting kinases and may lead to new therapeutics for the treatment of cancer. (source: Invest New Drugs. 2012 Apr;30(2):518-23. doi: 10.1007 s10637-010-9584-2. Epub 2010 Nov 16. ).

ATMInhibitor-11 (Compound 1) is an inhibitor of ATM with an IC50 of 0.32 nM. It also inhibits KAP1 phosphorylation with an IC50 of 0.97 nM. This compound exhibits high exposure in the brain, heart, and plasma of ICR mice. Furthermore, ATMInhibitor-11 demonstrates antitumor activity in the NCI-H441 xenograft mouse model.

TBK1 IKKε-IN-4, a 6-aminopyrazolopyrimidine derivative, serves as a potent, selective inhibitor for TBK1 and IKKε, demonstrating IC50 values of 13 nM and 59 nM, respectively. This compound exhibits significantly reduced activity, by 100- to 1000-fold, against other protein kinases, such as PDK1, PI3K family members, and mTOR[1].

HP661, a selective inhibitor of mitochondrial complex I (NADH dehydrogenase), impedes complex I activity by 77.6% at 1 µM, demonstrating lesser inhibition towards complex III (28.1%) and no inhibitory effects on complexes II and IV. It notably decreases the viability of human lung cancer cells—H460, NCI H441, and trametinib-resistant A549 cells (IC50s = 10.6, 29.7, and 15.1 nM, respectively)—which exhibit high levels of oxidative phosphorylation. In contrast, it shows minimal activity against NCI H358 lung cancer cells and non-cancerous HPNE and MRC-5 cells (IC50s = >10,000 nM for both), which have lower oxidative phosphorylation levels. Furthermore, in an H460 mouse xenograft model, HP661 at a dose of 30 mg/kg twice daily significantly reduces tumor volume and enhances the tumor-growth inhibitory effects of trametinib.