Molecular Weight(MW): 473.93
AZD8931 (Sapitinib) is a reversible, ATP competitive inhibitor of EGFR, ErbB2 and ErbB3 with IC50 of 4 nM, 3 nM and 4 nM in cell-free assays, more potent than Gefitinib or Lapatinib against NSCLC cell, 100-fold more selective for the ErbB family than MNK1 and Flt. Phase 2.
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Western blot analysis confirm suppression of the biomarker p-EGFR upon treatment with EGFR TKIs in U-CH1 and UM-Chor1. Cells were serum-starved overnight before they were treated with a range of concentrations of the EGFR inhibitors for 4 h and then EGF-spiked (50 ng/ml) for 15 min. Endogenous controls (non-serum-starved, non-EGF-spiked), untreated controls (serum-starved, non-EGF-spiked) and vehicle controls (serum-starved, treated with 2.5% DMSO, EGF-spiked) were included. Phospho-EGFR was measured by western blot.
J Pathol, 2016, 239(3):320-34.. AZD8931 (Sapitinib) purchased from Selleck.
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2. For more details, such as half maximal inhibitory concentrations (IC50s) and working concentrations of each inhibitor, please click on the link of the inhibitor of interest.
3. "+" indicates inhibitory effect. Increased inhibition is marked by a higher "+" designation.
4. Orange "√" refers to compounds which do inhibitory effects on the related isoform, but without specific value.
|Description||AZD8931 (Sapitinib) is a reversible, ATP competitive inhibitor of EGFR, ErbB2 and ErbB3 with IC50 of 4 nM, 3 nM and 4 nM in cell-free assays, more potent than Gefitinib or Lapatinib against NSCLC cell, 100-fold more selective for the ErbB family than MNK1 and Flt. Phase 2.|
AZD8931 shows different potency to NSCLC and SCCHN cell lines. AZD8931 has high sensitivity to PC-9 cells (EGFR activating mutation) with GI50 of 0.1 nM and low activity to NCI-1437 cells with GI50 above 10 μM. AZD8931 exhibits more potency against phospho-EGFR, phospho-erbB2 and phospho-erbB3 than either lapatinib or gefitinib in PE/CA-PJ41, PE/CA-PJ49, DOK and FaDu cells. 
|In vivo||AZD8931 reveals antitumor activity in BT474c, Calu-3, LoVo, FaDu and PC-9 xenografts. AZD8931 could reduce p-Akt, Ki67 expression and p-ERK in BT474c xenografts following acute treatment. AZD8931 also causes induction of the M30 apoptosis marker. Furthermore, AZD8931 shows greater proapoptotic effect compared with gefitinib and lapatinib in LoVo xenografts. |
Isolated kinase assays:The intracellular kinase domains of human EGFR and erbB2 are cloned and expressed in the baculovirus/Sf21 system. The inhibitory activity of AZD8931 is determined with ATP at Km concentrations (0.4 mM for erbB2 and 2 mM for EGFR) using the ELISA method.
|In vitro||DMSO||40 mg/mL (84.4 mM)|
|In vivo||30% PEG400+0.5% Tween80+5% propylene glycol||5 mg/mL|
* 1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
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Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
Clinical Trial Information
|NCT Number||Recruitment||Conditions||Sponsor/Collaborators||Start Date||Phases|
|NCT01862003||Recruiting||Metastatic Colorectal Cancer|Recurrent Colorectal Cancer||University College, London|Cancer Research UK|AstraZeneca|National Institute for Health Research, United Kingdom||May 2014||Phase 2|
|NCT02117167||Recruiting||Non-small Cell Lung Cancer Metastatic||UNICANCER|IFCT|Fondation ARC|AstraZeneca||April 2014||Phase 2|
|NCT02299999||Recruiting||Metastatic Breast Cancer||UNICANCER|Fondation ARC|AstraZeneca||April 2014||Phase 2|
|NCT01596530||Terminated||Breast Neoplasm||AstraZeneca||June 2012||Phase 1|
|NCT01579578||Terminated||Metastatic, Gastric or Gastro-oesophageal Junction, Cancer||AstraZeneca||April 2012||Phase 2|
|NCT01330758||Completed||Healthy||AstraZeneca||April 2011||Phase 1|
Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.
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