2. Academic Validation
  3. Identification of NVP-BKM120 as a Potent, Selective, Orally Bioavailable Class I PI3 Kinase Inhibitor for Treating Cancer

Identification of NVP-BKM120 as a Potent, Selective, Orally Bioavailable Class I PI3 Kinase Inhibitor for Treating Cancer

  • ACS Med Chem Lett. 2011 Aug 26;2(10):774-9. doi: 10.1021/ml200156t.
Matthew T Burger 1,  Sabina Pecchi 1,  Allan Wagman 1,  Zhi-Jie Ni 1,  Mark Knapp 1,  Thomas Hendrickson 1,  Gordana Atallah 1,  Keith Pfister 1,  Yanchen Zhang 1,  Sarah Bartulis 1,  Kelly Frazier 1,  Simon Ng 1,  Aaron Smith 1,  Joelle Verhagen 1,  Joshua Haznedar 1,  Kay Huh 1,  Ed Iwanowicz 1,  Xiaohua Xin 1,  Daniel Menezes 1,  Hanne Merritt 1,  Isabelle Lee 1,  Marion Wiesmann 1,  Susan Kaufman 1,  Kenneth Crawford 1,  Michael Chin 1,  Dirksen Bussiere 1,  Kevin Shoemaker 1,  Isabel Zaror 1,  Sauveur-Michel Maira 1,  Charles F Voliva 1
Affiliations

Affiliation

  • 1 Global Discovery Chemistry/Oncology & Exploratory Chemistry, Novartis Institutes for Biomedical Research , 4560 Horton Street, Emeryville, California 94608, United States.
PMID: 24900266 DOI: 10.1021/ml200156t
Abstract

Phosphoinositide-3-kinases (PI3Ks) are important oncology targets due to the deregulation of this signaling pathway in a wide variety of human cancers. Herein we describe the structure guided optimization of a series of 2-morpholino, 4-substituted, 6-heterocyclic pyrimidines where the pharmacokinetic properties were improved by modulating the electronics of the 6-position heterocycle, and the overall druglike properties were fine-tuned further by modification of the 4-position substituent. The resulting 2,4-bismorpholino 6-heterocyclic pyrimidines are potent class I PI3K inhibitors showing mechanism modulation in PI3K dependent cell lines and in vivo efficacy in tumor xenograft models with PI3K pathway deregulation (A2780 ovarian and U87MG glioma). These efforts culminated in the discovery of 15 (NVP-BKM120), currently in Phase II clinical trials for the treatment of Cancer.

Keywords

NVP-BKM120; PI3K/AKT3 pathway; phosphoinositide-3-kinase.

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