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Tucatinib

CAS No. : 937263-43-9

MCE 站：Tucatinib

产品活性：Tucatinib (Irbinitinib; ARRY-380; ONT-380) 是有效，选择性的 HER2 抑制剂，IC₅₀ 为8 nM。

研究领域：JAK/STAT Signaling  |  Protein Tyrosine Kinase/RTK

作用靶点：EGFR

In Vitro: Tucatinib (ONT-380) is a potent, selective, ATP-competitive, orally administered small-molecule inhibitor of HER2. Tucatinib has nanomolar activity against purified HER2 enzyme and is approximately 500-fold selective for HER2 versus EGFR in cell-based assays. Tucatinib selectively inhibits the receptor tyrosine kinase HER2 relative to EGFR. In HER2 overexpressing cell lines, Tucatinib blocks proliferation and the phosphorylation of HER2 and its downstream effector, Akt. By contrast, in the EGFR overexpressing cell lines, it weakly inhibits phosphorylation and proliferation, demonstrating that Tucatinib may have potential to block HER2 signaling without causing the toxicities of EGFR inhibition.

In Vivo: In preclinical studies with intracranial tumor models, treatment of mice with Tucatinib (ONT-380) compared with GW572016 or neratinib shows a survival benefit when each drug is dosed at the maximum-tolerated dose. In the Tucatinib (ARRY-380)-treated-group, 75% of the animals are alive on Day 43. Tucatinib and its active metabolite causes a significant reduction in brain pErbB2 (80%). Tucatinib (ARRY-380) demonstrates significant dose-related tumor growth inhibition (TGI; 50% at 50 mg/kg/d and 96% at 100 mg/kg/d) with numerous partial regressions (>50% reduction from baseline size) at the higher dose level in 9/12 animals. Tucatinib (50 mg/kg/d) in combination with trastuzumab shows a 98% TGI with complete regressions in 9/12 animals and two partial regressions. At dose of 100 mg/kg/d of Tucatinib in combination with trastuzumab, there is 100% TGI and all animals have complete responses.

相关产品：Drug Repurposing Compound Library Plus  |  FDA-Approved Drug Library Plus  |  Bioactive Compound Library Plus  |  Immunology/Inflammation Compound Library  |  JAK/STAT Compound Library  |  Kinase Inhibitor Library  |  Protein Tyrosine Kinase Compound Library  |  FDA-Approved Drug Library  |  Anti-Cancer Compound Library  |  Drug Repurposing Compound Library  |  Differentiation Inducing Compound Library  |  FDA Approved & Pharmacopeial Drug Library  |  Anti-Hepatitis C Virus Compound Library  |  Anti-Breast Cancer Compound Library  |  Anti-Lung Cancer Compound Library  |  Anti-Pancreatic Cancer Compound Library  |  Targeted Therapy Drug Library   |  Gefitinib  |  Trastuzumab  |  Erlotinib  |  Cetuximab  |  AG490  |  Genistein  |  AG-1478  |  Pertuzumab  |  BI-4020  |  NSC 228155  |  Pelitinib  |  Mubritinib  |  TX1-85-1  |  Canertinib  |  Butein  |  PD168393  |  Daphnetin  |  EGFR-IN-7  |  AEE788  |  Chrysophanol  |  PD153035  |  Tyrphostin 23  |  Lavendustin A  |  Trastuzumab emtansine  |  BMS-599626 Hydrochloride  |  PD158780  |  AV-412

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