Discovery of (R)-6-(1-(8-Fluoro-6-(1-methyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl)-3-(2-methoxyethoxy)-1,6-naphthyridin-5(6H)-one (AMG 337), a Potent and Selective Inhibitor of MET with High Unbound Target Coverage and Robust In Vivo Antitumor Activity

J Med Chem. 2016 Mar 24;59(6):2328-42. doi: 10.1021/acs.jmedchem.5b01716. Epub 2016 Feb 11.

Abstract

Deregulation of the receptor tyrosine kinase mesenchymal epithelial transition factor (MET) has been implicated in several human cancers and is an attractive target for small molecule drug discovery. Herein, we report the discovery of compound 23 (AMG 337), which demonstrates nanomolar inhibition of MET kinase activity, desirable preclinical pharmacokinetics, significant inhibition of MET phosphorylation in mice, and robust tumor growth inhibition in a MET-dependent mouse efficacy model.

MeSH terms

  • Animals
  • Antineoplastic Agents / chemical synthesis*
  • Antineoplastic Agents / pharmacokinetics
  • Antineoplastic Agents / pharmacology*
  • Crystallography, X-Ray
  • Drug Design
  • Drug Discovery
  • Humans
  • Mice
  • Models, Molecular
  • Proto-Oncogene Proteins c-met / antagonists & inhibitors*
  • Pyridones / chemical synthesis*
  • Pyridones / pharmacokinetics
  • Pyridones / pharmacology*
  • Structure-Activity Relationship
  • Triazoles / chemical synthesis*
  • Triazoles / pharmacokinetics
  • Triazoles / pharmacology*
  • Xenograft Model Antitumor Assays

Substances

  • AMG 337
  • Antineoplastic Agents
  • Pyridones
  • Triazoles
  • MET protein, human
  • Proto-Oncogene Proteins c-met