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Vandetanib (ZD6474)

VEGFR2/EGFR antagonist CAS# 443913-73-3

Vandetanib (ZD6474)

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Chemical structure

Vandetanib (ZD6474)

3D structure

Chemical Properties of Vandetanib (ZD6474)

Cas No. 443913-73-3 SDF Download SDF
PubChem ID 3081361 Appearance Powder
Formula C22H24BrFN4O2 M.Wt 475.35
Type of Compound N/A Storage Desiccate at -20°C
Synonyms ZD6474
Solubility DMSO : 27.5 mg/mL (57.85 mM; Need ultrasonic and warming)
H2O : < 0.1 mg/mL (insoluble)
Chemical Name N-(4-bromo-2-fluorophenyl)-6-methoxy-7-[(1-methylpiperidin-4-yl)methoxy]quinazolin-4-amine
SMILES CN1CCC(CC1)COC2=C(C=C3C(=C2)N=CN=C3NC4=C(C=C(C=C4)Br)F)OC
Standard InChIKey UHTHHESEBZOYNR-UHFFFAOYSA-N
Standard InChI InChI=1S/C22H24BrFN4O2/c1-28-7-5-14(6-8-28)12-30-21-11-19-16(10-20(21)29-2)22(26-13-25-19)27-18-4-3-15(23)9-17(18)24/h3-4,9-11,13-14H,5-8,12H2,1-2H3,(H,25,26,27)
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of Vandetanib (ZD6474)

DescriptionVandetanib (ZD6474) is a potent inhibitor of VEGFR2 with an IC50 value of 40 nM.
TargetsVEGFR2    
IC5040 nM     

Protocol

Cell experiment: [1]

Cell lines

TT and MZ-CRC-1 cells

Preparation method

The solubility of this compound in DMSO is <10 mm. general tips for obtaining a higher concentration: please warm the tube at 37 °c 10 minutes and>

Reacting condition

250 nM, 5 days for TT cells 6 days for MZ-CRC-1 cells

Applications

After 5 days of treatment, TT (harboring RET/C634W) cells treated with vehicle numbered 1300×103 and those treated with 250 nM ZD6474 numbered 800×103. MZ-CRC-1 (harboring RET/M918T) cells treated (for 6 days) with vehicle or 250 nM ZD6474 numbered 1144×103 and 712×103 respectively. In TT cells, ZD6474 exerted modest cytotoxicity at doses in the range of its IC50 for the RET kinase. A trypan blue exclusion viability assay confirmed that the compound exerted, instead, cytotoxicity at 1 week of treatment at doses of 1–5 μM.

Animal experiment: [2]

Animal models

Female BALB/c-nu/nu athymic mice injected with TKKK-Luc and OZ-Luc cells

Dosage form

Oral administration; 50, 25, or 12.5mg/kg; daily

Application

Mice were randomly divided into four treatment groups, namely vandetanib 50, 25, or 12.5mg/kg per b.w. per day, or vehicle control. Treatment started from the next day and continued for at least 4 weeks. The growth of the TKKK-Luc xenograft was significantly suppressed by vandetanib treatment at a lower dose, 12.5–25 mg/kg, whereas reduction of the OZ-Luc xenograft tumor was observed at a vandetanib dose of 50 mg/kg. At the end of the study, tumor volume was significantly lower in the vandetanib 50 mg/kg group of the OZ-Luc xenograft and in the 12.5–50 mg/kg group of the TKKK-Luc xenograft than in the vehicle-treated control group.

Other notes

Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal.

References:

[1] Vitagliano D, De Falco V, Tamburrino A, et al. The tyrosine kinase inhibitor ZD6474 blocks proliferation of RET mutant medullary thyroid carcinoma cells. Endocrine-related cancer, 2011, 18(1): 1-11.

[2] Yoshikawa D, Ojima H, Kokubu A, et al. Vandetanib (ZD6474), an inhibitor of VEGFR and EGFR signalling, as a novel molecular-targeted therapy against cholangiocarcinoma. British journal of cancer, 2009, 100(8): 1257-1266.

Vandetanib (ZD6474) Dilution Calculator

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Preparing Stock Solutions of Vandetanib (ZD6474)

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.1037 mL 10.5186 mL 21.0371 mL 42.0743 mL 52.5928 mL
5 mM 0.4207 mL 2.1037 mL 4.2074 mL 8.4149 mL 10.5186 mL
10 mM 0.2104 mL 1.0519 mL 2.1037 mL 4.2074 mL 5.2593 mL
50 mM 0.0421 mL 0.2104 mL 0.4207 mL 0.8415 mL 1.0519 mL
100 mM 0.021 mL 0.1052 mL 0.2104 mL 0.4207 mL 0.5259 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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Background on Vandetanib (ZD6474)

ZD6474 is a dual inhibitor of VEGFR-2 and EGFR with IC50 values of 40 nM and 500 nM, respectively [1].

ZD6474 showed potent inhibition activities against recombinant VEGFR-2 and EGFR in the in vitro assays. The inhibition of VEGFR-2 was 2.7-fold more potent than that of VEGFR-3 (Flt-4) kinase and 40-fold more potent than that of VEGFR-1. In human umbilical vein endothelial cells, treatment of ZD6474 resulted in significant inhibition of cell proliferation stimulated by VEGF and EGF with IC50 values of 60 and 170 nM, respectively. Through inhibiting the kinase activity of EGFR, ZD6474 can inhibit cell growth of various cancer cell lines, including lung, ovarian, breast and colon cancers. Besides that, ZD6474 administration inhibited tumor growth in a dose-dependent manner in many tumor xenograft models.

References:
[1] Ryan A J, Wedge S R. ZD6474–a novel inhibitor of VEGFR and EGFR tyrosine kinase activity[J]. British journal of cancer, 2005, 92: S6-S13.

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References on Vandetanib (ZD6474)

Induction Therapy for Locally Advanced, Resectable Esophagogastric Cancer: A Phase I Trial of Vandetanib (ZD6474), Paclitaxel, Carboplatin, 5-Fluorouracil, and Radiotherapy Followed by Resection.[Pubmed:26986978]

Am J Clin Oncol. 2017 Aug;40(4):393-398.

OBJECTIVES: Preoperative chemotherapy and radiation for localized esophageal cancer produces cure rates near 30% when combined with surgical resection. Vandetanib, a small molecule receptor tyrosine kinase inhibitor of VEGFR-2, VEGFR-3, RET, and EGFR, demonstrated synergy with radiation and chemotherapy in preclinical models. We conducted a phase I study to assess the safety and tolerability of vandetanib when combined with preoperative chemoradiation in patients with localized esophageal carcinoma who were surgical candidates. METHODS: Patients with stage II-III esophageal and gastroesophageal junction carcinoma without prior therapy were enrolled in a 3+3 phase I design. Patients received once-daily vandetanib (planned dosing levels of 100, 200, and 300 mg) with concomitant daily radiotherapy (1.8 Gy/d, 45 Gy total) and chemotherapy, consisting of infusional 5-FU (225 mg/m/d over 96 h, weekly), paclitaxel (50 mg/m, days 1, 8, 15, 22, 29) and carboplatin (AUC of 5, days 1, 29). RESULTS: A total 9 patients were enrolled with 8 having either distal esophageal or gastroesophageal junction carcinomas. All patients completed the planned preoperative chemoradiation and underwent esophagectomy. Nausea (44%) and anorexia (44%) were the most common acute toxicities of any grade. One grade 4 nonhematologic toxicity was observed (gastrobronchial fistula). One additional patient suffered a late complication, a fatal aortoenteric hemorrhage, not definitively related to the investigational regimen. Five (56%) patients achieved a pathologic complete response. Three (33%) additional patients had only microscopic residual disease. Five (56%) patients remain alive and disease free with a median follow-up of 3.7 years and median overall survival of 3.2 years. The maximum tolerated dose was vandetanib 100 mg/d. CONCLUSIONS: Vandetanib at 100 mg daily is tolerable in combination with preoperative chemotherapy (5-FU, paclitaxel, carboplatin) and radiation therapy with encouraging efficacy worthy of future study.

A randomized phase II efficacy and safety study of vandetanib (ZD6474) in combination with bicalutamide versus bicalutamide alone in patients with chemotherapy naive castration-resistant prostate cancer.[Pubmed:24671507]

Invest New Drugs. 2014 Aug;32(4):746-52.

PURPOSE: To investigate the efficacy and safety of combining vandetanib, an orally available multi-targeted tyrosine kinase inhibitor of vascular endothelial growth factor receptor-2 (VEGFR-2) and epidermal growth factor receptor (EGFR), with bicalutamide in patients with metastatic castration-resistant prostate cancer (mCRPC). METHODS: This was an open-label, randomized phase II multi-center study. Eligible patients had rising PSA on androgen deprivation therapy, minimal symptoms and were chemotherapy-naive. Protocol therapy was either vandetanib 300 mg oral daily plus bicalutamide 50 mg oral daily (Arm A) or bicalutamide 50 mg oral daily alone (Arm B) with cross-over to vandetanib monotherapy at progression. The primary endpoint was PSA response (>/= 50 % decline from baseline). RESULTS: Thirty-nine patients were recruited, 19 in Arm A and 20 in Arm B. PSA response was comparable in Arm A and Arm B (18 vs. 19 %). Time to PSA progression was 3.16 months (95 % confidence interval (CI): 1.09, not reached (NR)) for Arm A and 3.09 months (95 % CI: 1.22, NR) for Arm B. Treatment discontinuation due to adverse events was more common in Arm A compared to Arm B (42 vs. 5 %; p = 0.019). Treatment with vandetanib was associated with a reduction in soluble VEGFR-2 levels after two cycles but an increase in plasma VEGF levels. CONCLUSION: The combination of vandetanib and bicalutamide was associated with considerable toxicity and did not have superior efficacy over bicalutamide alone. Further evaluation of this combination is not warranted in mCRPC.

A randomized, double-blind, phase 2 trial of platinum therapy plus etoposide with or without concurrent vandetanib (ZD6474) in patients with previously untreated extensive-stage small cell lung cancer: Hoosier Cancer Research Network LUN06-113.[Pubmed:27583688]

Cancer. 2017 Jan 1;123(2):303-311.

BACKGROUND: This randomized, double-blind, phase 2 trial evaluated whether the addition of vandetanib to platinum plus etoposide for previously untreated extensive-stage small cell lung cancer (SCLC) prolonged the time to disease progression in comparison with chemotherapy alone. METHODS: Patients with previously untreated extensive-stage SCLC received platinum (cisplatin or carboplatin) with etoposide in combination with vandetanib (100 mg daily) or a placebo for up to 4 total cycles (no maintenance therapy). An initial safety run-in phase was conducted with the first 6 patients enrolled; all these patients received vandetanib with cisplatin and etoposide. With an overall sample size of 68 patients, the study had 80% power to detect a 3-month difference in the time to progression (TTP) from 4 to 7 months (significance level,.10 [1-sided log-rank test]). RESULTS: Seventy-four patients were enrolled between April 2008 and May 2013. Thirty-three patients were ultimately randomized to each arm. The baseline characteristics were well balanced, and the median number of treatment cycles was 4 for each arm. Thirty-one patients in each arm were evaluable for TTP; the median TTP was 5.62 months with vandetanib and 5.68 months with the placebo (P = .9518). The median overall survival was 13.24 months with vandetanib and 9.23 months with the placebo (P = .4577; 33 evaluable patients in each arm). Nonhematologic toxicity was increased with vandetanib versus the placebo. No correlation was seen between vascular endothelial growth factor polymorphisms and outcomes. CONCLUSIONS: The addition of vandetanib to platinum and etoposide did not improve outcomes for patients with newly diagnosed extensive-stage SCLC. Toxicity was increased in comparison with chemotherapy alone. Cancer 2017;123:303-311. (c) 2016 American Cancer Society.

Extracellular signal-regulated kinase 5 and cyclic AMP response element binding protein are novel pathways inhibited by vandetanib (ZD6474) and doxorubicin in mesotheliomas.[Pubmed:24940987]

Am J Respir Cell Mol Biol. 2014 Nov;51(5):595-603.

Malignant mesothelioma (MM), lung cancers, and asbestosis are hyperproliferative diseases associated with exposures to asbestos. All have a poor prognosis; thus, the need to develop novel and effective therapies is urgent. Vandetanib (Van) (ZD6474, ZACTIMA) is a tyrosine kinase inhibitor that has shown equivocal results in clinical trials for advanced non-small cell lung cancer. However, tyrosine kinase inhibitors alone have shown no significant clinical activity in phase II trials of patients with unresectable MM. Using epithelioid (HMESO) and sarcomatoid (H2373) human MM lines, the efficacy of tumor cell killing and signaling pathways modulated by Van with and without doxorubicin (Dox) was examined. Van alone reduced total cell numbers in HMESO MM and synergistically increased the toxicity of Dox in HMESO and H2373 cells. Most importantly, we identified two novel cell survival/resistance pathways, ERK5 and cyclic AMP response element binding protein (CREB), that were inhibited by Van and Dox. After silencing of either ERK5 or CREB, significant decreases in cell numbers in the Dox-resistant sarcomatoid H2373 line were observed. Results suggest that a plethora of cell signaling pathways associated with cell survival are induced by Dox but inhibited by the addition of Van in MM. Data from our study support the combined efficacy of Van and Dox as a novel approach in the treatment of MM that is further enhanced by blocking ERK5 or CREB signaling cascades.

Description

Vandetanib is a potent inhibitor of VEGFR2 with an IC50 of 40 nM.

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