Alpelisib(BYL-719)|PI3Kα inhibitor|DC Chemicals

Cas No.:	1217486-61-7
Chemical Name:	1,2-Pyrrolidinedicarboxamide,N1-[4-methyl-5-[2-(2,2,2-trifluoro-1,1-dimethylethyl)-4-pyridinyl]-2-thiazolyl]-,(2S)-
Synonyms:	BYL 719; BYL719
SMILES:	N(C(NC1=NC(C)=C(C2C=CN=C(C(C)(C)C(F)(F)F)C=2)S1)=O)1CCC[C@@H]1C(N)=O
Formula:	C₁₉H₂₂F₃N₅O₂S
M.Wt:	441.47
Sotrage:	2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO

Description:	Alpelisib (BYL-719) is a potent and selective PI3Kα inhibitor with an IC50 of 5 nM.
In Vivo:	Alpelisib (BYL-719) displays excellent oral bioavailability in rats, mice and dogs and does not show any significant inhibition of the CYP450 enzymes[1]. Alpelisib (BYL-719) inhibits tumor growth in pre-clinical murine models of osteosarcoma. C57Bl/6J with MOS-J tumors (n=6 per group) are randomized as controls (vehicle) or Alpelisib (BYL-719) (12.5 mg/kg or 50 mg/kg per day)[3].
In Vitro:	Alpelisib (NVP-BYL719) potently inhibits the 2 most common PIK3CA somatic mutations (H1047R, E545K; IC50~4 nM). Alpelisib (NVP-BYL719) potently inhibits Akt phosphorylation in cells transformed with PI3Kα (IC50=74±15 nM) and shows significant reduced inhibitory activity in PI3Kβ or PI3Kδ isoforms transformed cells (≥15-fold compared with PI3Kα)[2]. Alpelisib (NVP-BYL719) decreases cell proliferation by blocking cell cycle in G0/G1 phase with no outstanding effects on apoptosis cell death in HOS and MOS-J tumor cells. BYL-719 inhibits cell migration and can thus be considered as a cytostatic drug for osteosarcoma. In murine preclinical models of osteosarcoma, Alpelisib (NVP-BYL719) significantly decreases tumor progression and tumor ectopic bone formation as shown by a decrease of Ki67+ cells and tumor vascularization. Alpelisib (NVP-BYL719) rapidly inhibits the levels of P-AKT and P-mTOR in all cell lines assessed, confirming the functional activity of Alpelisib (NVP-BYL719) on osteosarcoma cells. After 72 hr of treatment, Alpelisib (NVP-BYL719) significantly inhibits the cell growth of all osteosarcoma cell lines tested in a dose-dependent manner with an IC50 ranging from 6 to 15 µM and with the IC90 from 24 to 42 µM at 72 hr[3].

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