EGF816Novel covalent inhibitor of mutant-selective EGFR CAS# 1508250-71-2 |
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Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
Cas No. | 1508250-71-2 | SDF | Download SDF |
PubChem ID | 72703790 | Appearance | Powder |
Formula | C26H31ClN6O2 | M.Wt | 495.02 |
Type of Compound | N/A | Storage | Desiccate at -20°C |
Synonyms | Nazartinib | ||
Solubility | DMSO : ≥ 242 mg/mL (488.87 mM) *"≥" means soluble, but saturation unknown. | ||
Chemical Name | N-[7-chloro-1-[(3R)-1-[(E)-4-(dimethylamino)but-2-enoyl]azepan-3-yl]benzimidazol-2-yl]-2-methylpyridine-4-carboxamide | ||
SMILES | CC1=NC=CC(=C1)C(=O)NC2=NC3=C(N2C4CCCCN(C4)C(=O)C=CCN(C)C)C(=CC=C3)Cl | ||
Standard InChIKey | IOMMMLWIABWRKL-WUTDNEBXSA-N | ||
Standard InChI | InChI=1S/C26H31ClN6O2/c1-18-16-19(12-13-28-18)25(35)30-26-29-22-10-6-9-21(27)24(22)33(26)20-8-4-5-15-32(17-20)23(34)11-7-14-31(2)3/h6-7,9-13,16,20H,4-5,8,14-15,17H2,1-3H3,(H,29,30,35)/b11-7+/t20-/m1/s1 | ||
General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. |
Description | EGF816 is a novel, covalent mutant-selective EGFR inhibitor, with Ki and Kinact of 31 nM and 0.222 min−1 on EGFR(L858R/790M) mutant, respectively.In Vitro:EGF816 has inhibitory effect on the mutant cell lines with IC50s of 4, 6, 2 nM in H1975, H3255, and HCC827, respectively, and demonstrates improved ADME and PK properties[1]. EGF816 shows potent inhibition of pEGFR levels in H3255, HCC827, and H1975 cell lines with EC50 values of 5, 1, and 3 nM, respectively. EGF816 inhibits cell proliferation, with EC50 values of 9, 11, and 25 nM in H3255, HCC827, and H1975, respectively. EGF816 has an OC50 (compound concentration at 50% occupancy) value of 2 and 5 nM on HCC827 and H1975, respectively[2].In Vivo:In H1975 mouse xenograft model, EGF816 (50 and 20 mg/kg or 25 mg/kg, p.o.) demonstrates dose-dependent efficacy with near complete tumor cells regression at the highest dose tested (50 mg/kg)[1]. In H1975 mouse model, EGF816 (10 mg/kg, p.o.) induces tumor growth inhibition with a T/C (tumor/control volume) of 29%, and when doses are 30 and 100 mg/kg, tumor regressions are achieved (T/C, −61% and −80%, respectively). In the H3255 xenograft model, EGF816 (30 mg/kg, p.o.) shows significant antitumor activity. Antiproliferative activity of EGF816 on 89 lung cancer cell lines indicates that EGF816 selectively inhibits cell lines containing EGFR with catalytic domain mutations[2]. References: |
EGF816 Dilution Calculator
EGF816 Molarity Calculator
1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
1 mM | 2.0201 mL | 10.1006 mL | 20.2012 mL | 40.4024 mL | 50.503 mL |
5 mM | 0.404 mL | 2.0201 mL | 4.0402 mL | 8.0805 mL | 10.1006 mL |
10 mM | 0.202 mL | 1.0101 mL | 2.0201 mL | 4.0402 mL | 5.0503 mL |
50 mM | 0.0404 mL | 0.202 mL | 0.404 mL | 0.808 mL | 1.0101 mL |
100 mM | 0.0202 mL | 0.101 mL | 0.202 mL | 0.404 mL | 0.505 mL |
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. |
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Non-small cell lung cancer (NSCLC) patients with activating epidermal growth factor receptor (EGFR) mutations respond to EGFR tyrosine kinase inhibitors (TKI) but ultimately develop resistance to these therapies. The most common resistance mechanism is a second site gate-keeper mutation within exon 20 of EGFR (T790M). EGF816 is identified as a novel covalent inhibitor of mutant-selective epidermal growth factor receptor.
In vitro: EGF816 showed sustained inhibition of pEGFR, which is consistent with the irreversible binding mechanism of EGF816. EGF816 also performs exceptionally well in long term dosing studies providing durable responses in the preclinical models [1].
In vivo: EGF816 demonstrated strong in vivo tumor regressions in several EGFR activating and resistant tumor models. In all of the models EGF816 inhibited tumor growth dose-dependently and achieved regressions of established tumors at well tolerated doses [1].
Clinical trial: A phase I/II study of EGFRmut-TKI EGF816 is being conducted to investigate the efficacy in adult patients with EGFRmut solid malignancies.
Reference:
[1] Shailaja Kasibhatla, Jie Li, Celin Tompkins, Mei-Ting Vaillancourt, Jennifer Anderson, AnneMarie Culazzo Pferdekamper, Chun Li, Oliver Long, Mathew McNeill, Robert Epple, Debbie Liao, Eric Murphy, Steve Bender, Yong Jia, Gerald Lelais. EGF816, a novel covalent inhibitor of mutant-selective epidermal growth factor receptor, overcomes T790M-mediated resistance in NSCLC. [abstract]. In: Proceedings of the 105th Annual Meeting of the American Association for Cancer Research; 2014 Apr 5-9; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2014;74(19 Suppl):Abstract nr 1733. doi:10.1158/1538-7445.AM2014-1733
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Discovery of (R,E)-N-(7-Chloro-1-(1-[4-(dimethylamino)but-2-enoyl]azepan-3-yl)-1H-benzo[d]imid azol-2-yl)-2-methylisonicotinamide (EGF816), a Novel, Potent, and WT Sparing Covalent Inhibitor of Oncogenic (L858R, ex19del) and Resistant (T790M) EGFR Mutants for the Treatment of EGFR Mutant Non-Small-Cell Lung Cancers.[Pubmed:27433829]
J Med Chem. 2016 Jul 28;59(14):6671-89.
Over the past decade, first and second generation EGFR inhibitors have significantly improved outcomes for lung cancer patients with activating mutations in EGFR. However, both resistance through a secondary T790M mutation at the gatekeeper residue and dose-limiting toxicities from wild-type (WT) EGFR inhibition ultimately limit the full potential of these therapies to control mutant EGFR-driven tumors and new therapies are urgently needed. Herein, we describe our approach toward the discovery of 47 (EGF816, nazartinib), a novel, covalent mutant-selective EGFR inhibitor with equipotent activity on both oncogenic and T790M-resistant EGFR mutations. Through molecular docking studies we converted a mutant-selective high-throughput screening hit (7) into a number of targeted covalent EGFR inhibitors with equipotent activity across mutants EGFR and good WT-EGFR selectivity. We used an abbreviated in vivo efficacy study for prioritizing compounds with good tolerability and efficacy that ultimately led to the selection of 47 as the clinical candidate.
EGF816 Exerts Anticancer Effects in Non-Small Cell Lung Cancer by Irreversibly and Selectively Targeting Primary and Acquired Activating Mutations in the EGF Receptor.[Pubmed:26825170]
Cancer Res. 2016 Mar 15;76(6):1591-602.
Non-small cell lung cancer patients carrying oncogenic EGFR mutations initially respond to EGFR-targeted therapy, but later elicit minimal response due to dose-limiting toxicities and acquired resistance. EGF816 is a novel, irreversible mutant-selective EGFR inhibitor that specifically targets EGFR-activating mutations arising de novo and upon resistance acquisition, while sparing wild-type (WT) EGFR. EGF816 potently inhibited the most common EGFR mutations L858R, Ex19del, and T790M in vitro, which translated into strong tumor regressions in vivo in several patient-derived xenograft models. Notably, EGF816 also demonstrated antitumor activity in an exon 20 insertion mutant model. At levels above efficacious doses, EGF816 treatment led to minimal inhibition of WT EGFR and was well tolerated. In single-dose studies, EGF816 provided sustained inhibition of EGFR phosphorylation, consistent with its ability for irreversible binding. Furthermore, combined treatment with EGF816 and INC280, a cMET inhibitor, resulted in durable antitumor efficacy in a xenograft model that initially developed resistance to first-generation EGFR inhibitors via cMET activation. Thus, we report the first preclinical characterization of EGF816 and provide the groundwork for its current evaluation in phase I/II clinical trials in patients harboring EGFR mutations, including T790M.