XL 765 - CAS 1349796-36-6
Catalog number: B0084-462702
Category: Inhibitor
Not Intended for Therapeutic Use. For research use only.
Molecular Formula:
C31H29N5O6S
Molecular Weight:
599.662
COA:
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Targets:
PI3K
Description:
XL 765 is a PI3K inhibitor used for the treatment of cancers. It also suppresses DNA-PK and mTOR.
Ordering Information
Catalog Number Size Price Stock Quantity
B0084-462702 50 mg $399 In stock
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Synonyms:
SAR 245409; N-[4-[[[3-[(3,5-Dimethoxyphenyl)amino]-2-quinoxalinyl]amino]sulfonyl]phenyl]-3-methoxy-4-methylbenzamide; N-(4-(N-(3-((3,5-Dimethoxyphenyl)amino)quinoxalin-2-yl)sulfamoyl)phenyl)-3-methoxy-4-methylbenzamide
MSDS:
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InChIKey:
HJSSPYJVWLTYHG-UHFFFAOYSA-N
InChI:
InChI=1S/C31H29N5O6S/c1-19-9-10-20(15-28(19)42-4)31(37)33-21-11-13-25(14-12-21)43(38,39)36-30-29(34-26-7-5-6-8-27(26)35-30)32-22-16-23(40-2)18-24(17-22)41-3/h5-18H,1-4H3,(H,32,34)(H,33,37)(H,35,36)
Canonical SMILES:
CC1=C(C=C(C=C1)C(=O)NC2=CC=C(C=C2)S(=O)(=O)NC3=NC4=CC=CC=C4N=C3NC5=CC(=CC(=C5)OC)OC)OC
1.The pan phosphoinositide 3-kinase/mammalian target of rapamycin inhibitor SAR245409 (voxtalisib/XL765) blocks survival, adhesion and proliferation of primary chronic lymphocytic leukemia cells.
Thijssen R;Ter Burg J;van Bochove GG;de Rooij MF;Kuil A;Jansen MH;Kuijpers TW;Baars JW;Virone-Oddos A;Spaargaren M;Egile C;van Oers MH;Eldering E;Kersten MJ;Kater AP Leukemia. 2016 Feb;30(2):337-45. doi: 10.1038/leu.2015.241. Epub 2015 Sep 4.
The phosphoinositide 3-kinases (PI3Ks) are critical components of the B-cell receptor (BCR) pathway and have an important role in the pathobiology of chronic lymphocytic leukemia (CLL). Inhibitors of PI3Kδ block BCR-mediated cross-talk between CLL cells and the lymph node microenvironment and provide significant clinical benefit to CLL patients. However, the PI3Kδ inhibitors applied thus far have limited direct impact on leukemia cell survival and thus are unlikely to eradicate the disease. The use of inhibitors of multiple isoforms of PI3K might lead to deeper remissions. Here we demonstrate that the pan-PI3K/mammalian target of rapamycin inhibitor SAR245409 (voxtalisib/XL765) was more pro-apoptotic to CLL cells--irrespective of their ATM/p53 status--than PI3Kα or PI3Kδ isoform selective inhibitors. Furthermore, SAR245409 blocked CLL survival, adhesion and proliferation. Moreover, SAR245409 was a more potent inhibitor of T-cell-mediated production of cytokines, which support CLL survival. Taken together, our in vitro data provide a rationale for the evaluation of a pan-PI3K inhibitor in CLL patients.
2.Inhibition of PI3K/AKT/mTOR pathway enhances temozolomide-induced cytotoxicity in pituitary adenoma cell lines in vitro and xenografted pituitary adenoma in female nude mice.
Dai C;Zhang B;Liu X;Ma S;Yang Y;Yao Y;Feng M;Bao X;Li G;Wang J;Guo K;Ma W;Xing B;Lian W;Xiao J;Cai F;Zhang H;Wang R Endocrinology. 2013 Mar;154(3):1247-59. doi: 10.1210/en.2012-1908. Epub 2013 Feb 5.
Invasive pituitary adenomas (PAs) are often refractory to standard therapy and salvage treatment with temozolomide (TMZ). Hyperactivation of the phosphoinositide 3-kinase (PI3K)/AKT/mammalian target of rapamycin (mTOR) pathway contributes to chemotherapy resistance in many cancers. XL765, a novel dual-PI3K/mTOR inhibitor, has recently shown its efficacy as a monotherapy and in combination with conventional therapeutics in many cancers. The hyperactive PI3K/AKT/mTOR pathway frequently occurs in invasive PAs. In this study, we investigated whether XL765 sensitizes PA cells to TMZ in vitro and in vivo. Experiments were carried out to evaluate the effect of XL765 and TMZ alone or in combination on cell proliferation and apoptosis of PA cell lines (αT3-1, GH3, and MMQ) in vitro as well as the tumor growth and serum GH and prolactin secretions in a GH3 xenograft tumor model of female nude mice. XL765 and TMZ synergistically inhibited the growth of PA cell lines and induced apoptosis. Combination of XL765 and TMZ synergistically inhibited tumor growth, decreased serum GH and prolactin levels, and reduced the sacrifice rate of GH3 xenograft tumor models without increased systemic side effects.
3.Characterization of the activity of the PI3K/mTOR inhibitor XL765 (SAR245409) in tumor models with diverse genetic alterations affecting the PI3K pathway.
Yu P;Laird AD;Du X;Wu J;Won KA;Yamaguchi K;Hsu PP;Qian F;Jaeger CT;Zhang W;Buhr CA;Shen P;Abulafia W;Chen J;Young J;Plonowski A;Yakes FM;Chu F;Lee M;Bentzien F;Lam ST;Dale S;Matthews DJ;Lamb P;Foster P Mol Cancer Ther. 2014 May;13(5):1078-91. doi: 10.1158/1535-7163.MCT-13-0709. Epub 2014 Mar 14.
Activation of the PI3K (phosphoinositide 3-kinase) pathway is a frequent occurrence in human tumors and is thought to promote growth, survival, and resistance to diverse therapies. Here, we report pharmacologic characterization of the pyridopyrimidinone derivative XL765 (SAR245409), a potent and highly selective pan inhibitor of class I PI3Ks (α, β, γ, and δ) with activity against mTOR. Broad kinase selectivity profiling of >130 protein kinases revealed that XL765 is highly selective for class I PI3Ks and mTOR over other kinases. In cellular assays, XL765 inhibits the formation of PIP(3) in the membrane, and inhibits phosphorylation of AKT, p70S6K, and S6 phosphorylation in multiple tumor cell lines with different genetic alterations affecting the PI3K pathway. In a panel of tumor cell lines, XL765 inhibits proliferation with a wide range of potencies, with evidence of an impact of genotype on sensitivity. In mouse xenograft models, oral administration of XL765 results in dose-dependent inhibition of phosphorylation of AKT, p70S6K, and S6 with a duration of action of approximately 24 hours. Repeat dose administration of XL765 results in significant tumor growth inhibition in multiple human xenograft models in nude mice that is associated with antiproliferative, antiangiogenic, and proapoptotic effects.
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CAS 1349796-36-6 XL 765

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