BGT226 (NVP-BGT226) is a novel phosphoinositide 3-kinase/mTOR dual inhibitor. BGT226 (NVP-BGT226) displays potent growth-inhibitory activity against human head and neck cancer cells in vitro and in vivo.
|Cell lines||FaDu, Detroit 562, HONE-1 and HONE-1-C15 cells line|
|Preparation method||Growth-inhibition assay.
Cells in the logarithmic growth phase were cultured at a density of 5,000 to 20,000 cells per milliliter per well in a 24-well plate. The cells were exposed to various concentrations of BGT226 for 3 generation times. At the end of the incubation period, cells were fixed and stained with 50% ethanol containing 0.5% methylene blue for 30 minutes. The resulting colored residues were dissolved in 1% N-lauroyl-sarcosine, and optical density was read at 550 nm using a microplate reader. The IC50 value resulting from 50% inhibition of cell growth was calculated graphically as a comparison with control groups. Each point represents the average of at least 3 independent experiments run in duplicate.
|Concentrations||IC50 ranging from 7.4 to 30.1 nmol/L|
|Incubation time||48 h|
|Animal models||human FaDu xenografted mice|
|Formulation||dissolved in 90% N-methyl-2-pyrrolidone (NMP)/10% PEG300|
|Dosages||3.5 and 5mg/kg once a day for 21 consecutive days|
Powder -20°C 3 years ; 4°C 2 years
In solvent -80°C 6 months ; -20°C 1 month
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
 Chang KY, et al. Clin Cancer Res. Novel phosphoinositide 3-kinase/mTOR dual inhibitor, NVP-BGT226, displays potent growth-inhibitory activity against human head and neck cancer cells in vitro and in vivo.
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