AMG 511 is a potent and selective pan class I PI3K inhibitor, capable of inhibiting PI3K signaling and inducing robust anti-proliferative effects via a G1 arrest in many tumor cell lines, with evidence of cell killing in a subset of lines.AMG 511 is highly selective over mTOR (IC50 > 10000 nM), hVPS34 (IC50 > 9000 nM), DNAPK (IC50 = 12000 nM), and a broad panel of other protein kinases. It effectively inhibited pAKT in tumor tissue in a dose- and time-dependent manner (up to 16 hours). In animal studies it efficaciously inhibited tumor growth in PTEN-null, KRAS mutant, and HER2 amplified xenograft models. It is currently in clinical trials for cancer treatment.
|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 resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 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 resveratrol of 11.2 mg/kg.
Selective class I phosphoinositide 3-kinase inhibitors: optimization of a series of pyridyltriazines leading to the identification of a clinical candidate, AMG 511.
Norman MH, et al. J Med Chem. 2012 Sep 13;55(17):7796-816. PMID: 22897589.
|Related PI3K Products|
PIK-III (also known as VPS34-IN2) is a potent and selective inhibitor of VPS34 enzymatic activity, with IC50s of 18 nM and 1.2 μM for VPS34 and PI(3)Kδ, respectively.
LY3023414 is a selective ATP-competitive inhibitor of PI3Kα and mTOR, DNA-PK, and other class I PI3K family members.
SAR405 is a PIK3C3/Vps34 inhibitor with an IC50 of 1.2 nM. SAR405 also is a proximal inhibitor of the autophagy machinery.
Tenalisib (RP6530) is a potent and selective dual PI3Kδ/γ inhibitor with IC50 values of 24.5 nM and 33.2 nM for PI3Kδ and PI3Kγ, respectively. Its selectivity over α and β isoforms are more than 300-fold and 100-fold, respectively.
PI 828 is a pI 3-kinase inhibitor, more potent than LY 294002.
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