1. Academic Validation
  2. Discovery of GSK2126458, a Highly Potent Inhibitor of PI3K and the Mammalian Target of Rapamycin

Discovery of GSK2126458, a Highly Potent Inhibitor of PI3K and the Mammalian Target of Rapamycin

  • ACS Med Chem Lett. 2010 Jan 19;1(1):39-43. doi: 10.1021/ml900028r.
Steven D Knight 1 Nicholas D Adams 1 Joelle L Burgess 1 Amita M Chaudhari 1 Michael G Darcy 1 Carla A Donatelli 1 Juan I Luengo 1 Ken A Newlander 1 Cynthia A Parrish 1 Lance H Ridgers 1 Martha A Sarpong 1 Stanley J Schmidt 1 Glenn S Van Aller 1 Jeffrey D Carson 1 Melody A Diamond 1 Patricia A Elkins 1 Christine M Gardiner 1 Eric Garver 1 Seth A Gilbert 1 Richard R Gontarek 1 Jeffrey R Jackson 1 Kevin L Kershner 1 Lusong Luo 1 Kaushik Raha 1 Christian S Sherk 1 Chiu-Mei Sung 1 David Sutton 1 Peter J Tummino 1 Ronald J Wegrzyn 1 Kurt R Auger 1 Dashyant Dhanak 1
Affiliations

Affiliation

  • 1 GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426.
Abstract

Phosphoinositide 3-kinase α (PI3Kα) is a critical regulator of cell growth and transformation, and its signaling pathway is the most commonly mutated pathway in human cancers. The mammalian target of rapamycin (mTOR), a class IV PI3K protein kinase, is also a central regulator of cell growth, and mTOR inhibitors are believed to augment the antiproliferative efficacy of PI3K/Akt pathway inhibition. 2,4-Difluoro-N-{2-(methyloxy)-5-[4-(4-pyridazinyl)-6-quinolinyl]-3-pyridinyl}benzenesulfonamide (GSK2126458, 1) has been identified as a highly potent, orally bioavailable inhibitor of PI3Kα and mTOR with in vivo activity in both pharmacodynamic and tumor growth efficacy models. Compound 1 is currently being evaluated in human clinical trials for the treatment of Cancer.

Keywords

GSK2126458; PI3K/AKT pathway; mammalian target of rapamycin; phosphoinositide 3-kinase α.

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