Sunitinib Malate Chemical Properties

Melting point:

189-191°C

storage temp. 

room temp

solubility 

DMSO: >10mg/mL

form 

powder

color 

Orange

Stability:

Stable for 2 years from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 3 months.

InChIKey

XGQXULJHBWKUJY-LYIKAWCPSA-N

CAS DataBase Reference

341031-54-7(CAS DataBase Reference)

Safety Information

Hazard Codes 

T

Risk Statements 

61-2-48/25-36/37-22-53

Safety Statements 

53-22-36/37-24/25

WGK Germany 

2

HS Code 

29337900

Sunitinib Malate Usage And Synthesis

Anticancer drug

Sunitinib malate is a kind of novel oral multi-targeted anticancer drugs and belongs to multi-targeted tyrosine kinase inhibitor with its trade name being “suntent”. It was successfully developed by Pfizer Company and has dual anti-tumor effect. Moreover, it is the only therapeutic drug which can go beyond the 2-year survival period of advanced kidney cancer and plays a central role in the field of carcinoma and gastrointestinal stromal tumor therapeutic areas. It entered into market in February 2006 in the United States. This drug was the first anti-cancer drug which was approved by the US FDA and can simultaneously treat two diseases.
Sunitinib exerts its therapeutic role through preventing the tumor cells from getting the blood and nutrients needed for growth. Clinical trials have showed that the drug can delay the growth rate of gastrointestinal stromal tumors, and can shrink the size of renal cell tumors. Sunitinib malate is the first novel targeted drug being capable of selectively targets drugs for a variety of new tyrosine kinase receptors. It combine two kinds of anti-tumor mechanisms including both stopping the formation of anti-angiogenic which is responsible for supplying blood to tumor and direct attack of tumor cells. It represents the advent of a new round of targeted therapies, being able to attack the tumor directly without the toxicity of the conventional chemotherapy.
The indications of Sunitinib malate are as follows:
1, Patients who failed in the treatment with matinib mesylate or of intolerant gastrointestinal stromal tumors (GIST).
2, inoperable advanced renal cell carcinoma (RCC).
3, advanced pancreatic endocrine tumors.
The above information is edited by the Chemicalbook of Dai Xiongfeng.

Uses

Anti-cancer drugs

Description

Sunitinib is a small molecule inhibitor of receptor tyrosine kinases, including FLK1 (K_i = 9 nM), PDGFRβ (K_i = 8 nM), and FLT3. It is at least 10-fold selective for FLK1 and PDGFRβ over a variety of tyrosine kinases in a panel, including EGFR, Cdk2, Met, IGFR-1, Abl, and Src. Sunitinib inhibits VEGF-dependent FLK1 and PDGF-dependent PDGFRβ phosphorylation (IC₅₀s = 10 and 10 nM, respectively) as well as phosphorylation of FLT3 and FLT3 carrying the activating internal tandem duplication mutation (FLT3-ITD; IC₅₀s = 250 and 50 nM, respectively). It decreases VEGF- and FGF-induced proliferation of human umbilical vein endothelial cells (HUVECs; IC₅₀s = 30 and 700 nM, respectively) and reduces tumor growth in a variety of mouse xenograft models when administered at doses ranging from 20 to 80 mg/kg per day. Formulations containing sunitinib have been used in the treatment of gastrointestinal stromal tumors and metastatic renal cell carcinoma.

Chemical Properties

Yellow Solid

Uses

Sunitinib Malate (Sutent, SU11248) is a multi-targeted RTK inhibitor targeting VEGFR2 (Flk-1) and PDGFRβ with IC50 of 80 nM and 2 nM, and also inhibits c-Kit.

Uses

Sunitinib Malate is a multi-targeted RTK inhibitor targeting VEGFR2 (Flk-1) and PDGFRβ with IC50 of 80 nM and 2 nM, and also inhibits c-Kit

Uses

A multi-kinase inhibitor targeting several receptor tyrosine kinases (RTK). Antineoplastic.

brand name

(Pfizer).

General Description

Sunitinib is available in 12.5-, 25-, and 50-mg capsules fororal administration for the treatment of advanced RCC andGIST upon the failure of imatinib. The agent is a multikinaseinhibitor and has been shown to inhibit PDGF-R,VEGF-R, Kit, RET, and the colony-stimulating factor receptor(CSR-1R). The result of this spectrum of activity isa slowing of tumor progression and inhibition of angiogenesisboth of which are useful in the highly vascularizedcancers, RCC and GIST. The median TTP (time to tumorprogression) was 27.3 weeks for sunitinib and 6.4 weeks with a median time of 24.1 weeks for sunitinib and 6 weeksfor placebo. The agent is well absorbed upon oral administration,and both the parent and major metabolite are highly(90%–95%) protein bound. Metabolism is mediated primarilyby CYP3A4 to give the N-desethyl derivative, which isthe major metabolite (23%–37%), equally active with theparent and undergoes further metabolism by CYP3A4. Theterminal elimination half-life for the parent and N-desethylderivative are 40 to 60 hours and 80 to 110 hours, respectively.Elimination occurs primarily via the feces. Commonadverse effects of sunitinib include fatigue, diarrhea, yellowskin discoloration, anorexia, nausea, and mucositis.Mild myelosuppression has been reported in patients withGIST including neutropenia, lymphopenia, thrombocytopenia,and anemia. There have been reports of cardiotoxicityincluding decreases in left ventricular ejectionfraction, which occurred in 11% of patients during a GISTstudy.

Biological Activity

Potent, ATP-competitive VEGFR, PDGFR β and KIT inhibitor (K i values are 2, 9, 17, 8 and 4 nM for VEGFR -1, -2, -3, PDGFR β and KIT respectively). Also inhibits cellular receptor phosphorylation of FLT3, RET and CSF-1R. Exhibits antiangiogenic and antitumor activity in multiple xenograft models.

Biochem/physiol Actions

Sunitinib has greater bioavailability and potency compared to other inhibitors. It prevents angiogenesis.

storage

Store at +4°C

References

1) Deeks et al. (2006), Sunitinib; Drugs, 66 2255 2) Guo et al. (2006), Inhibition of phosphorylation of the colony-stimulating factor-1 receptor (c-Fms) tyrosine kinase in transfected cells by ABT-869 and other tyrosine kinase inhibitors; Mol. Cancer. Ther., 5 1007 3) O’Farrell et al. (2003), SU11248 is a novel FLT3 yrosine kinase with potent activity in vitro and in vivo; Blood, 101 3597 4) Roskoski et al. (2007), Sunitinib: a EGF and PDGF receptor protein kinase and angiogenesis inhibitor; Biochem. Biophys. Res. Commun., 356 323

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