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2011 ; 2
(10
): 774-9
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Identification of NVP-BKM120 as a Potent, Selective, Orally Bioavailable Class I
PI3 Kinase Inhibitor for Treating Cancer
#MMPMID24900266
Burger MT
; Pecchi S
; Wagman A
; Ni ZJ
; Knapp M
; Hendrickson T
; Atallah G
; Pfister K
; Zhang Y
; Bartulis S
; Frazier K
; Ng S
; Smith A
; Verhagen J
; Haznedar J
; Huh K
; Iwanowicz E
; Xin X
; Menezes D
; Merritt H
; Lee I
; Wiesmann M
; Kaufman S
; Crawford K
; Chin M
; Bussiere D
; Shoemaker K
; Zaror I
; Maira SM
; Voliva CF
ACS Med Chem Lett
2011[Oct]; 2
(10
): 774-9
PMID24900266
show ga
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.