Cat. No. Name Size Price Add Cart
KI0437Dovitinib Dilactic acid (TKI258 Dilactic acid)10 mg$272
Dovitinib Dilactic acid (TKI258 Dilactic acid)25 mg$432
Dovitinib Dilactic acid (TKI258 Dilactic acid)50 mg$752

Chemical Characteristic

Product NameDovitinib Dilactic acid (TKI258 Dilactic acid)
SynonymsTKI258 dilactic acid, CHIR258
CAS No.852433-84-2
Molecular Weight 572.59
FormulaC21H21FN6O.2C3H6O3
Chemical Name(3Z)-4-amino-5-fluoro-3-[5-(4-methylpiperazin-1-yl)-1,3-dihydrobenzimidazol-2-ylidene]quinolin-2-one;2-hydroxypropanoic acid
SmilesC(=O)(C(C)O)O [nH]1c(=O)c(c(c2c(cccc12)F)N)c1nc2c([nH]1)cc(cc2)N1CCN(CC1)C C(=O)(C(C)O)O
Chemical Structure

Biological activities

Dovitinib is a highly potent inhibitor of vascular endothelial growth factor receptor (VEGFR) 1, VEGFR2, VEGFR3, platelet-derived growth factor receptor (PDGFR) β, and fibroblast growth factor growth (FGFR)1, FGFR2, and FGFR3 (fibroblast growth factor receptors 1, 2, and 3). Dovitinib potently inhibits FGFR3 with an IC50 of 5 nM. Dovitinib inhibits members of the class III receptor tyrosine kinases (RTKs) including FLT3, c-Kit, CSF-1R, and PDGFRα/β with IC50 values of 1 to 210 nM. Additionally, dovitinib potently prevents class IV (FGFR1 and 3) and class V (VEGFR1-4) RTKs with IC50 values of 8 to 13 nM.[1] Dovitinib inhibits PDGFRβ and FGFR 1, 2 with IC50 of 12, 8 and 40 nM, respectively.[2] Dovitinib sensitizes resistant hepatocellular carcinoma (HCC) cells to tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)- and tigatuzumab-induced apoptosis. The combination of dovitinib and tigatuzumab restores the sensitivity of HCC cells to TRAIL- and tigatuzumab-induced apoptosis. Dovitinib down-regulates phospho-STAT3 (Tyr705) (p-STAT3) and subsequently decreases the protein levels of STAT3-regulated proteins, Mcl-1, survivin and cylcin D1, in TRAIL-treated HCC cells.[3] Dovitinib markedly suppresses ccRCC tumorgraft growth, resulting in a greater prevention of tumor growth than both sunitinib and sirolimus. Moreover, dovitinib prevents the development of paraneoplastic hypercalcemia in mice. Dovitinib is more effective than sunitinib or sirolimus in RCC tumorgrafts in mice. [4] The terminal elimination t1/2 of dovitinib in plasma in mice is ∼3 hours. Plasma dovitinib concentrations increases with dose across the dose range evaluated. Plasma Cmax values elevate from 163 ng/mL (10 mg/kg) to 742 ng/mL (30 mg/kg) to 1,560 ng/mL (100 mg/kg).[5]

Protocols

Dovitinib solution is formulated in water and is given orally on either daily.[5]

References

[1] Trudel S, et al. CHIR-258, a novel, multitargeted tyrosine kinase inhibitor for the potential treatment of t(4;14) multiple myeloma. Blood. 2005, 105(7): 2941-2948.
[2] Wang X, et al. Population Pharmacokinetic/Pharmacodynamic Modeling to Assist Dosing Schedule Selection for Dovitinib. Clin Pharmacol. 2012.
[3] Chen KF, et al. Dovitinib sensitizes hepatocellular carcinoma cells to TRAIL and tigatuzumab, a novel anti-DR5 antibody, through SHP-1-dependent inhibition of STAT3. Biochem Pharmacol. 2012, 83(6): 769-777.
[4] Sivanand S, et al. A validated tumorgraft model reveals activity of dovitinib against renal cell carcinoma. Sci Transl Med. 2012, 4(137): 137ra75.
[5] Lee SH, et al. In vivo target modulation and biological activity of CHIR-258, a multitargeted growth factor receptor kinase inhibitor, in colon cancer models. Clin Cancer Res. 2005, 11(10): 3633-41.

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