CP-547632 - CAS 252003-65-9
Catalog number: B0084-088558
Category: Inhibitor
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Molecular Formula:
C20H24BrF2N5O3S
Molecular Weight:
532.405
COA:
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Targets:
VEGFR
Description:
CP-547632 is as a potent inhibitor of the VEGFR-2 and basic fibroblast growth factor (FGF) kinases (IC50 11 and 9 nM, respectively). It is selective relative to epidermal growth factor receptor, platelet-derived growth factor , and other related TKs. It also inhibits VEGF-stimulated autophosphorylation of VEGFR-2 in a whole cell assay with an IC50 value of 6 nM. After oral administration of CP-547,632 to mice bearing NIH3T3/H-ras tumors, VEGFR-2 phosphorylation in tumors was inhibited in a dose-dependent fashion (EC50 590 ng/ml).  CP-547,632 is a well-tolerated, orally-bioavailable inhibitor presently under clinical investigation for the treatment of human malignancies.
Synonyms:
CP547632; CP 547632; CP-547632; PAN90806; PAN 90806; PAN-90806; CP632; OSI632; CP 632; OSI 632; CP-632; OSI-632
MSDS:
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InChIKey:
HXHAJRMTJXHJJZ-UHFFFAOYSA-N
InChI:
InChI=1S/C20H24BrF2N5O3S/c21-12-9-14(22)13(15(23)10-12)11-31-18-16(17(24)29)19(32-27-18)26-20(30)25-5-1-2-6-28-7-3-4-8-28/h9-10H,1-8,11H2,(H2,24,29)(H2,25,26,30)
Canonical SMILES:
C1CCN(C1)CCCCNC(=O)NC2=C(C(=NS2)OCC3=C(C=C(C=C3F)Br)F)C(=O)N
Current Developer:
Pfizer
1.Recent developments in the discovery of protein kinase inhibitors from the urea class.
Dumas J1, Smith RA, Lowinger TB. Curr Opin Drug Discov Devel. 2004 Sep;7(5):600-16.
With two compounds on the market (Gleevec and Iressa), and a number of drug candidates in late-stage clinical trials, small-molecule kinase inhibitors hold great potential as novel therapies for cancer and inflammatory disorders. Inhibitors from the urea class were first reported in 1996 and have emerged as an important compound class for medicinal chemists due to their unique binding mode and kinase inhibition profile. Currently, five members of this class are undergoing clinical trials, BIRB-796 (Boehringer Ingelheim Pharmaceuticals Inc), BAY-43-9006 (Bayer AG/Onyx Pharmaceuticals Inc), CP-547632 (Pfizer Inc), MLN-518 (Millennium Pharmaceuticals Inc) and KRN-951 (Kirin Brewery Co Ltd). This review focuses on the most recent developments in the discovery of urea-based protein kinase inhibitors.
2.A phase I/randomized phase II, non-comparative, multicenter, open label trial of CP-547,632 in combination with paclitaxel and carboplatin or paclitaxel and carboplatin alone as first-line treatment for advanced non-small cell lung cancer (NSCLC).
Cohen RB1, Langer CJ, Simon GR, Eisenberg PD, Hainsworth JD, Madajewicz S, Cosgriff TM, Pierce K, Xu H, Liau K, Healey D. Cancer Chemother Pharmacol. 2007 Jun;60(1):81-9. Epub 2006 Oct 10.
PURPOSE: To evaluate the toxicity profile and pharmacological properties of oral CP-547,632 alone and in combination with paclitaxel and carboplatin administered every 3 weeks, and to assess efficacy as measured by the objective response and progressive disease rates of oral CP-547,632 administered in combination with paclitaxel and carboplatin.
3.YM-359445, an orally bioavailable vascular endothelial growth factor receptor-2 tyrosine kinase inhibitor, has highly potent antitumor activity against established tumors.
Amino N1, Ideyama Y, Yamano M, Kuromitsu S, Tajinda K, Samizu K, Hisamichi H, Matsuhisa A, Shirasuna K, Kudoh M, Shibasaki M. Clin Cancer Res. 2006 Mar 1;12(5):1630-8.
PURPOSE: The vascular endothelial growth factor receptor-2 (VEGFR2) tyrosine kinase has been implicated in the pathologic angiogenesis associated with tumor growth. YM-359445 was a (3Z)-3-quinolin-2(1H)-ylidene-1,3-dihydro-2H-indol-2-one derivative found while screening based on the inhibition of VEGFR2 tyrosine kinase. The aim of this study was to analyze the efficacy of this compound both in vitro and in vivo.
4.Pharmacological characterization of CP-547,632, a novel vascular endothelial growth factor receptor-2 tyrosine kinase inhibitor for cancer therapy.
Beebe JS1, Jani JP, Knauth E, Goodwin P, Higdon C, Rossi AM, Emerson E, Finkelstein M, Floyd E, Harriman S, Atherton J, Hillerman S, Soderstrom C, Kou K, Gant T, Noe MC, Foster B, Rastinejad F, Marx MA, Schaeffer T, Whalen PM, Roberts WG. Cancer Res. 2003 Nov 1;63(21):7301-9.
Signaling through vascular endothelial growth factor (VEGF) receptors (VEGFRs) is a key pathway initiating endothelial cell proliferation and migration resulting in angiogenesis, a requirement for human tumor growth and metastasis. Abrogation of signaling through VEGFR by a variety of approaches has been demonstrated to inhibit angiogenesis and tumor growth. Small molecule inhibitors of VEGFR tyrosine kinase have been shown to inhibit angiogenesis, inhibit tumor growth, and prevent metastases. Our goal was to discover and characterize an p.o. active VEGFR-2 small molecule inhibitor. A novel isothiazole, CP-547,632, was identified as a potent inhibitor of the VEGFR-2 and basic fibroblast growth factor (FGF) kinases (IC(50) = 11 and 9 nM, respectively). It is selective relative to epidermal growth factor receptor, platelet-derived growth factor beta, and other related TKs. It also inhibits VEGF-stimulated autophosphorylation of VEGFR-2 in a whole cell assay with an IC(50) value of 6 nM.
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CAS 252003-65-9 CP-547632

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