1. Protein Tyrosine Kinase/RTK
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  3. Tivozanib

Tivozanib (AV-951; KRN951) is a selective, orally active inhibitor for vascular endothelial growth factor receptor (VEGFR)-1, 2 3, with IC50s of 30, 6.5 and 15 nM, respectively. Tivozanib exhibits antitumor efficacy.

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CAS No. : 475108-18-0

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Customer Review

Based on 8 publication(s) in Google Scholar

Other Forms of Tivozanib:

Top Publications Citing Use of Products

    Tivozanib purchased from MedChemExpress. Usage Cited in: Angiogenesis. 2025 Feb 3;28(2):13.  [Abstract]

    Western blots showing VEGFR2 and β-actin expression in HUVECs that were pre-treated with 4 µg/mL IgG, 4 µg/mL anti-VEGFR2 NAb, 0.1% DMSO (vehicle), 100 nM Lenvatinib, 250 nM Tivozanib, or 1 mM ATP for 2 h and then exposed to 0.1% DMSO or 10 µM Clioquinol for another 4 h.

    Tivozanib purchased from MedChemExpress. Usage Cited in: Angiogenesis. 2025 Feb 3;28(2):13.  [Abstract]

    Western blots showing p-VEGFR2, VEGFR2, and β-actin expression in HUVECs that were treated with 0.1% DMSO, 100 nM Lenvatinib, 250 nM Tivozanib or 10 µM Clioquinol for 1 h and then stimulated with 25 ng/mL VEGF for 7 min.

    Tivozanib purchased from MedChemExpress. Usage Cited in: Pharmaceuticals (Basel). 2023 Feb 14;16(2):295.

    Effect of tivozanib and losartan on survival rate, body weight, urine flow and urine protein levels. Mice either daily received tivozanib (1 mg/kg), Tivozanib plus Losartan (10 mg/kg; Tivo + Los10), Tivozanib plus Losartan (30 mg/kg; Tivo + Los30) or vehicle control.Probability of survival.

    Tivozanib purchased from MedChemExpress. Usage Cited in: Pharmaceuticals (Basel). 2023 Feb 14;16(2):295.

    Effect of tivozanib and losartan on histology of heart and kidney. Mice either daily received Tivozanib (1 mg/kg), Tivozanib plus losartan (10 mg/kg; Tivo + Los10), Tivozanib plus losartan (30 mg/kg; Tivo + Los30) or vehicle control. Photomicrographs of mice aorta.

    Tivozanib purchased from MedChemExpress. Usage Cited in: Pharmaceuticals (Basel). 2023 Feb 14;16(2):295.

    Mice either daily received Tivozanib (1 mg/kg), Tivozanib plus losartan (10 mg/kg; Tivo + Los10), Tivozanib plus losartan (30 mg/kg; Tivo + Los30) or vehicle control. Protein expression of angiotensin-II type 1 (AT1) receptor in the aorta.

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    • Biological Activity

    • Purity & Documentation

    • References

    • Customer Review

    Description

    Tivozanib (AV-951; KRN951) is a selective, orally active inhibitor for vascular endothelial growth factor receptor (VEGFR)-1, 2 3, with IC50s of 30, 6.5 and 15 nM, respectively. Tivozanib exhibits antitumor efficacy[1].

    IC50 & Target[1]

    VEGFR2

    6.5 nM (IC50)

    VEGFR3

    15 nM (IC50)

    VEGFR1

    30 nM (IC50)

    Cellular Effect
    Cell Line Type Value Description References
    A549 IC50
    0.62 μM
    Compound: Tivozanib
    Antiproliferative activity against human A549 cells assessed as inhibition of cell growth incubated for 48 hrs by CCK-8 assay
    Antiproliferative activity against human A549 cells assessed as inhibition of cell growth incubated for 48 hrs by CCK-8 assay
    [PMID: 37453330]
    B16-F10 IC50
    18.8 μM
    Compound: 10
    Cytotoxicity against mouse B16-F10 cells assessed as reduction in cell viability incubated for 48 hrs by MTT assay
    Cytotoxicity against mouse B16-F10 cells assessed as reduction in cell viability incubated for 48 hrs by MTT assay
    [PMID: 38870832]
    HUVEC IC50
    0.67 nM
    Compound: Chemical probe: KRN951
    Antiproliferative activity against VEGF-induced human HUVEC cells assessed as cell viability incubated for 72 hrs by WST-1 assay
    Antiproliferative activity against VEGF-induced human HUVEC cells assessed as cell viability incubated for 72 hrs by WST-1 assay
    [PMID: 16982756]
    HUVEC IC50
    > 300 nM
    Compound: Chemical probe: KRN951
    Antiproliferative activity against bFGF-induced human HUVEC cells assessed as cell viability incubated for 72 hrs by WST-1 assay
    Antiproliferative activity against bFGF-induced human HUVEC cells assessed as cell viability incubated for 72 hrs by WST-1 assay
    [PMID: 16982756]
    MCF7 IC50
    0.38 μM
    Compound: Tivozanib
    Antiproliferative activity against human MCF7 cells
    Antiproliferative activity against human MCF7 cells
    [PMID: 24583357]
    MCF7 IC50
    0.38 μM
    Compound: Tivozanib
    Antiproliferative activity against human MCF7 cells assessed as inhibition of cell growth incubated for 48 hrs by CCK-8 assay
    Antiproliferative activity against human MCF7 cells assessed as inhibition of cell growth incubated for 48 hrs by CCK-8 assay
    [PMID: 37453330]
    Macrophage IC50
    226.75 μM
    Compound: Tivozanib
    Cytotoxicity against human Primary macrophage cells assessed as inhibition of cell growth incubated for 48 hrs by CCK-8 assay
    Cytotoxicity against human Primary macrophage cells assessed as inhibition of cell growth incubated for 48 hrs by CCK-8 assay
    [PMID: 37453330]
    NCI-H460 IC50
    0.39 μM
    Compound: Tivozanib
    Antiproliferative activity against human NCI-H460 cells assessed as inhibition of cell growth incubated for 48 hrs by CCK-8 assay
    Antiproliferative activity against human NCI-H460 cells assessed as inhibition of cell growth incubated for 48 hrs by CCK-8 assay
    [PMID: 37453330]
    In Vitro

    Tivozanib inhibits the phosphorylation of VEGFR-1, VEGFR-2, and VEGFR-3, with IC50s of 0.16-0.24 nM[1].
    Tivozanib (0-100 nM, 24 h) inhibits VEGF-induced proliferation of HUVECs with IC50 of 0.67 nM, and migration of HUVECs in dose-dependent manner[1].
    Tivozanib (0-300 nM, 1 h) selectively inhibits the VEGF-stimulated phosphorylation of MAPKs in endothelial cells ligand-dependently, with IC50s of 0.13 and 0.18 nM for ERK1 and ERK2, respectively[1].

    MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

    Western Blot Analysis[1]

    Cell Line: HUVECs
    Concentration: 0-300 nM
    Incubation Time: 1 h
    Result: Inhibited VEGR-dependent phosphorylation of ERK1 and ERK2.

    Cell Proliferation Assay[1]

    Cell Line: HUVECs
    Concentration: 0-100 nM
    Incubation Time: 24 h
    Result: Inhibited proliferation.

    Cell Migration Assay [1]

    Cell Line: HUVECs
    Concentration: 0-100 nM
    Incubation Time: 22 h
    Result: Inhibited migration.
    In Vivo

    Tivozanib (0.04-1 mg/kg, po for 14 days) exhibits antitumor efficacy against breast, colon, hepatic, lung, ovarian, pancreatic, and prostate cancer in athymic mice model[1].
    Tivozanib (0.2-1 mg/kg, po for 21 days) reversibly suppresses vascular permeability and angiogenesis in Calu-6 tumor bearing rats model[1].
    Tivozanib (5 mg/kg, po, single dose) reveals a AUCinf of 44.5 μg·h/mL, Cmax of 2823 ng/mL in athymic mice model[1].

    MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

    Animal Model: Calu-6 tumor bearing athymic mice model[1]
    Dosage: 0.04-1 mg/kg/day
    Administration: p.o., for 14-21 days
    Result: Inhibited tumor growth, angiogenesis and vascular permeability.
    Clinical Trial
    Molecular Weight

    454.86

    Formula

    C22H19ClN4O5

    CAS No.
    Appearance

    Solid

    Color

    Off-white to light brown

    SMILES

    O=C(NC1=CC=C(C=C1Cl)OC2=CC=NC3=CC(OC)=C(C=C23)OC)NC4=NOC(C)=C4

    Shipping

    Room temperature in continental US; may vary elsewhere.

    Storage
    Powder -20°C 3 years
    4°C 2 years
    In solvent -80°C 2 years
    -20°C 1 year
    Solvent & Solubility
    In Vitro: 

    DMSO : 25 mg/mL (54.96 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 2.1985 mL 10.9924 mL 21.9848 mL
    5 mM 0.4397 mL 2.1985 mL 4.3970 mL
    View the Complete Stock Solution Preparation Table

    * Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
    Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

    • Molarity Calculator

    • Dilution Calculator

    Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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    Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

    This equation is commonly abbreviated as: C1V1 = C2V2

    Concentration (start)

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    In Vivo:

    Select the appropriate dissolution method based on your experimental animal and administration route.

    For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
    To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
    The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

    • Protocol 1

      Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

      Solubility: ≥ 2.5 mg/mL (5.50 mM); Clear solution

      This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

      Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
    • Protocol 2

      Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

      Solubility: ≥ 2.5 mg/mL (5.50 mM); Clear solution

      This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

      Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
    In Vivo Dissolution Calculator
    Please enter the basic information of animal experiments:

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    Number of animals

    Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
    Please enter your animal formula composition:
    %
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    %
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    %
    Saline
    Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
    The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
    Calculation results:
    Working solution concentration: mg/mL
    Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
    The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
    Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
     If the continuous dosing period exceeds half a month, please choose this protocol carefully.
    Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
    Purity & Documentation
    References

    Complete Stock Solution Preparation Table

    * Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
    Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

    Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
    DMSO 1 mM 2.1985 mL 10.9924 mL 21.9848 mL 54.9620 mL
    5 mM 0.4397 mL 2.1985 mL 4.3970 mL 10.9924 mL
    10 mM 0.2198 mL 1.0992 mL 2.1985 mL 5.4962 mL
    15 mM 0.1466 mL 0.7328 mL 1.4657 mL 3.6641 mL
    20 mM 0.1099 mL 0.5496 mL 1.0992 mL 2.7481 mL
    25 mM 0.0879 mL 0.4397 mL 0.8794 mL 2.1985 mL
    30 mM 0.0733 mL 0.3664 mL 0.7328 mL 1.8321 mL
    40 mM 0.0550 mL 0.2748 mL 0.5496 mL 1.3740 mL
    50 mM 0.0440 mL 0.2198 mL 0.4397 mL 1.0992 mL
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      Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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    Cat. No.:
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