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Tivantinib (ARQ 197)

Alias: Tivantinib; ARQ-197; ARQ 197; ARQ197
Cat No.:V0604 Purity: ≥98%
Tivantinib (formerly also known asARQ-197; ARQ197), an experimental drug developed byby Arqule, Inc, is the first non-ATP-competitive, orally bioavailable and selective small molecule c-Met inhibitor with potential antineoplastic activity.
Tivantinib (ARQ 197)
Tivantinib (ARQ 197) Chemical Structure CAS No.: 905854-02-6
Product category: c-MET
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
25mg
50mg
100mg
250mg
500mg
1g
Other Sizes

Other Forms of Tivantinib (ARQ 197):

  • (3S,4S)-Tivantinib ((3S,4S)-ARQ 197; ARQ 198)
  • (Rac)-Tivantinib ((Rac)-ARQ 197; (Rac)-ARQ 198)
  • (rel)-Tivantinib ((rel)-ARQ 197; (rel)-(3R,4R)-ARQ 198)
Official Supplier of:
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Tivantinib (formerly also known as ARQ-197; ARQ197), an experimental drug developed by by Arqule, Inc, is the first non-ATP-competitive, orally bioavailable and selective small molecule c-Met inhibitor with potential antineoplastic activity. It prevents c-Met in a cell-free assay with a Ki of 0.355 μM and exhibits negligible or no activity against Ron, EGFR, InsR, PDGFRα, and FGFR1/4. As it works, tirantinib binds to the c -Metaprotein and interfering with c -Met signal transduction pathways, which in tumor cells overexpressing c may cause cell death -Met protein or constitutively activated C expression Met the protein.

Biological Activity I Assay Protocols (From Reference)
Targets
c-Met (Ki = 355 nM)
ln Vitro

ARQ-197 has been demonstrated to inhibit cellular responses induced by HGF/c-met in vitro. With IC50 values of 0.38, 0.45, and 0.29 μM, ARQ-197 exhibits antitumor activity by preventing the proliferation of A549, DBTRG, and NCI-H441 cells. Infection and migration are inhibited and the MAPK signaling cascade is phosphorylated less when ARQ-197 is administered. ARQ-197 also suppresses the invasive phenotype that ectopic c-Met expression imparts to NCI-H661, a cell line lacking endogenous c-Met expression. When c-Met is exposed to 0.5 μM ARQ-197, its Vmax is roughly three times lower, even though adding more ARQ-197 does not significantly change the Km of ATP. The fact that ARQ-197 can lower Vmax without changing ATP Km indicates that it inhibits c-Met in a non-ATP-competitive manner, which may explain why it has such a high degree of kinase selectivity. With an estimated 355 nM inhibitory constant Ki, ARQ-197 inhibits human recombinant c-Met. Using ATP concentrations up to 1 mM does not lessen the potency of ARQ-197 against c-Met, despite the maximum concentration of ATP used being 200 μM. ARQ-197 inhibits downstream c-Met signaling pathways and c-Met phosphorylation. In turn, this inhibits downstream c-Met effectors by suppressing constitutive and ligand-mediated c-Met autophosphorylation and, consequently, c-Met activity. The induction of caspase-dependent apoptosis by ARQ-197 is enhanced in human cancer cells that express c-Met, such as HT29, MKN-45, and MDA-MB-231 cells.[1][2]

ln Vivo
ARQ-197 treatment results in decreased tumor growth in all three xenograft models: 66% in the HT29 model, 45% in the MKN-45 model, and 79% in the MDA-MB-231 model. Following oral administration of ARQ-197 at 200 mg/kg, no appreciable changes in body weight are seen in these xenograft studies. A significant decrease in c-Met autophosphorylation occurs 24 hours following an oral dosage of 200 mg/kg of ARQ-197, indicating that the compound has a pharmacodynamically strong inhibitory effect on c-Met phosphorylation in human colon xenograft tumors (HT29). The application of the same dosage in mice results in tumor xenografts being exposed to sustained plasma levels of ARQ-197, which is in line with the pharmacodynamic inhibition of c-Met phosphorylation and the inhibition of the growth of cancer cell lines harboring c-Met. Ten hours following dosage, plasma levels of ARQ-197 are found to be 1.3 μM, which is more than three times higher than the drug's biochemical inhibitory constant for c-Met. Consequently, in vivo suppression of the target by ARQ-197 is achieved in the xenografted human tumor tissue. Finally, it can be said that ARQ-197 prevents c-Met-dependent xenografted human tumors from growing.[1]
Enzyme Assay
For thirty minutes at room temperature, recombinant c-Met protein (100 ng) is preincubated with increasing concentrations of ARQ-197. After preincubation, the reaction mixture is mixed with different concentrations of ATP containing 5 μCi of [γ-32P]ATP and 100 μM of poly-Glu-Tyr substrate. After five minutes of room temperature incubation, the reaction is halted by adding five microliters of SDS-polyacrylamide gel, which reduces the sample buffer. After that, the samples are put onto a 7.5% acrylamide gel, and SDS-PAGE is carried out. The final method used to visualize the phosphorylated poly-Glu-Tyr substrates is autoradiography. Densitometry is used to measure c-Met activity.
Cell Assay
In black 96-well plates, 5 × 103 cells are seeded per well and left overnight in a medium containing 10% FBS for HT29, MKN-45, and MDA-MB-231 cells. Next day, cells are exposed to progressively higher concentrations of ARQ-197 (0.03-10 μM) at 37 °C for 24, 32, and 48 hours. Following treatment with ARQ-197, the drug-containing medium is removed, and the cells are incubated in a labeling solution (10 mM HEPES, 140 mM NaCl, and 6 mM CaCl2) containing 1 μg/mL propidium iodide (red channel), 500-times diluted Annexin V-FITC (green channel), and 2 μg/mL Hoescht 33342 (blue channel). This process continues for at least 10 minutes. Acquisition and analysis of high-content images are done. Four pictures are supposed to be taken per well by the program. For the 4,6-diamidino-2-phenylindole, FITC, and rhodamine channels, the exposure times are set at 16.7 ms/10% gain, 500 ms/35% gain, and 300 ms/30% gain, respectively. After processing the images, the quantity of positive cells in each channel and condition is calculated. Furthermore, the identical protocols are carried out when HT29 cells are treated for 32 hours with varying doses of ARQ-197 in the presence or absence of 25, 50, and 100 μM ZvAD-FMK (irreversible general caspase inhibitor). Each experiment is carried out three times. The impact of ARQ-197 when glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and c-Met are knocked down using siRNA is examined in order to ascertain whether the apoptotic effect is caused by c-Met inhibition. SiRNAs that are nontargeted, gapgh-targeted, or met-targeted are transfected into HT29, MKN-45, and MDA-MB-231 cells. Following three days, particular antibodies are used to measure the expression levels of β-actin, GAPDH, and c-Met. After transfecting HT29, MKN-45, and MDA-MB-231 cells with a met-targeted siRNA for two days, the cells are cultured either in the absence or with increasing concentrations of ZvAD-FMK for an additional day to ascertain whether the effect is caspase dependent. Also transfected in parallel as controls are a nontargeted siRNA and a gapgh-targeted siRNA (siRNA GAPDH). Annexin V-FITC and propidium iodide are then used to stain the cells, allowing for the calculation of the percentage of apoptotic cells.
Animal Protocol
Mice: The animal housing facility is given at least one week's acclimation to female athymic nude mice prior to the study. The effect of ARQ 197 on tumor growth is investigated in athymic mice containing tumor xenografts of HT29, MKN-45, or MDA-MB-231. Day 0 involves the single-cell injection of tumor cells (5×106 (HT29) and 8×106 (MKN-45 and MDA-MB-231) cells/animal). Tumor volumes are computed as length×width2/2, and tumor dimensions are determined using a digital caliper. Once the tumors reach a volume of less than 100 mm3, mice are divided into groups and given 200 mg/kg of Tivantinib orally as a vehicle control or at 30 mg/mL of the drug formulated in polyethylene glycol 400/20% Vitamin E tocopheryl polyethylene glycol succinate (60:40) for five days straight, followed by a two-day dosing holiday for four cycles. As a result, 20 doses in total were given to each animal. The findings are given as the mean tumor volume±SEM. A Mann-Whitney nonparametric t test is used to evaluate the differences in tumor size between groups; P<0.05 indicates significance.
Rats: The pharmacokinetics of tiravantinib are investigated in six male 180–220 g Sprague-Dawley rats. Water is available at all times prior to the experiment, but diet is not allowed for 12 hours. Samples of blood (0.3 mL) are drawn from the tail vein and placed into 1.5 mL heparinized polythene tubes at 0,25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 12, and 24 hours following oral Tivantinib (10 mg/kg) administration. The samples are centrifuged for eight minutes at 4000g right away. The obtained plasma (100 μL) is kept cold until it is analyzed. DAS (Drug and Statistics) software analyzes the plasma Tivantinib concentration versus time data for each rat.
References

[1]. Mol Cancer Ther . 2010 Jun;9(6):1544-53.

[2]. Nat Rev Drug Discov . 2008 Jun;7(6):504-16.

Additional Infomation
LSM-1131 is a member of indoles.
Tivantinib has been investigated in Solid Tumors.
Tivantinib is an orally bioavailable small molecule inhibitor of c-Met with potential antineoplastic activity. c-Met inhibitor ARQ 197 binds to the c-Met protein and disrupts c-Met signal transduction pathways, which may induce cell death in tumor cells overexpressing c-Met protein or expressing constitutively activated c-Met protein. c-Met protein, the product of the proto-oncogene c-Met, is a receptor tyrosine kinase also known as hepatocyte growth factor receptor (HGFR); this protein is overexpressed or mutated in many tumor cell types and plays key roles in tumor cell proliferation, survival, invasion, and metastasis, and tumor angiogenesis.
Drug Indication
Treatment of hepatoblastoma
Mechanism of Action
Tivantinib mediates its effects by inhibiting the activity of c-Met, a receptor tyrosine kinase that plays multiple key roles in human cancer, including cancer cell growth, survival, angiogenesis, invasion and metastasis. C-Met is abnormally activated in most cancers and is believed to control multiple signal transduction pathways involved in tumor growth and metastasis.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C23H19N3O2
Molecular Weight
369.42
Exact Mass
369.147
Elemental Analysis
C, 74.78; H, 5.18; N, 11.37; O, 8.66
CAS #
905854-02-6
Related CAS #
(3S,4S)-Tivantinib;905854-03-7;(Rac)-Tivantinib;1239986-50-5;(rel)-Tivantinib;905853-99-8
PubChem CID
11494412
Appearance
white solid powder
Density
1.5±0.1 g/cm3
Boiling Point
716.0±60.0 °C at 760 mmHg
Flash Point
386.8±32.9 °C
Vapour Pressure
0.0±2.3 mmHg at 25°C
Index of Refraction
1.797
LogP
3.26
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
2
Heavy Atom Count
28
Complexity
666
Defined Atom Stereocenter Count
2
SMILES
O=C1NC(=O)[C@@H](C2=CNC3C=CC=CC2=3)[C@@H]1C1=CN2CCCC3C2=C1C=CC=3
InChi Key
UCEQXRCJXIVODC-PMACEKPBSA-N
InChi Code
InChI=1S/C23H19N3O2/c27-22-19(16-11-24-18-9-2-1-7-14(16)18)20(23(28)25-22)17-12-26-10-4-6-13-5-3-8-15(17)21(13)26/h1-3,5,7-9,11-12,19-20,24H,4,6,10H2,(H,25,27,28)/t19-,20-/m0/s1
Chemical Name
(3R,4R)-3-(1-azatricyclo[6.3.1.04,12]dodeca-2,4,6,8(12)-tetraen-3-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
Synonyms
Tivantinib; ARQ-197; ARQ 197; ARQ197
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: ~73 mg/mL (~197.6 mM)
Water: <1 mg/mL
Ethanol: <1 mg/mL
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.77 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 + to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.7069 mL 13.5347 mL 27.0695 mL
5 mM 0.5414 mL 2.7069 mL 5.4139 mL
10 mM 0.2707 mL 1.3535 mL 2.7069 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
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Clinical Trial Information
TIvantinib as Maintenance Treatment in Extended Small-cell Lung Cancer (TIMES)
CTID: NCT02608411
Phase: Phase 2    Status: Terminated
Date: 2023-10-13
Study of Tivantinib (ARQ 197) Plus Cetuximab in EGFR Inhibitor-Resistant MET High Subjects
CTID: NCT01892527
Phase: Phase 2    Status: Completed
Date: 2022-09-09
Seasonal Influenza HA DNA With Trivalent Inactivated Vaccine (TIV) Administered ID or IM in Healthy Adults 18-70 Years
CTID: NCT01676402
Phase: Phase 1    Status: Completed
Date: 2022-08-25
Pazopanib and ARQ 197 for Advanced Solid Tumors
CTID: NCT01468922
Phase: Phase 1    Status: Completed
Date: 2022-07-01
Pharmacists as Immunizers to Improve Coverage and Provider/Recipient Satisfaction
CTID: NCT02868970
Phase: Phase 4    Status: Completed
Date: 2022-03-11
View More

ARQ 197 in Combination With Chemotherapy in Patients With Metastatic Colorectal Cancer
CTID: NCT01075048
Phase: Phase 1/Phase 2    Status: Completed
Date: 2021-04-08


Study of Tivantinib in Subjects With Inoperable Hepatocellular Carcinoma (HCC) Who Have Been Treated With One Prior Therapy
CTID: NCT01755767
Phase: Phase 3    Status: Completed
Date: 2021-04-06
ARQ 197 for Participants With Relapsed or Refractory Germ Cell Tumors
CTID: NCT01055067
Phase: Phase 2    Status: Terminated
Date: 2021-04-06
Tivantinib Plus Erlotinib Versus Placebo Plus Erlotinib for the Treatment of Non-squamous, Non-small-cell Lung Cancer
CTID: NCT01244191
Phase: Phase 3    Status: Terminated
Date: 2021-04-06
An Extension Protocol for Subjects Who Were Previously Enrolled in Other Tivantinib (ARQ 197) Protocols
C
A RANDOMIZED, PLACEBO-CONTROLLED, PHASE 1/2 STUDY OF ARQ 197 IN COMBINATION WITH IRINOTECAN AND CETUXIMAB IN SUBJECTS WITH METASTATIC COLORECTAL CANCER WITH WILD-TYPE KRAS WHO HAVE RECEIVED FRONT-LINE SYSTEMIC THERAPY
CTID: null
Phase: Phase 2    Status: Completed
Date: 2010-06-15
MULTICENTER PHASE 2 TRIAL OF ARQ 197 FOR SUBJECTS WITH RELAPSED OR REFRACTORY GERM CELL TUMORS
CTID: null
Phase: Phase 2    Status: Completed
Date: 2010-03-04
A Randomized Controlled Phase 2 Trial of ARQ 197 in Patients with Unresectable Hepatocellular Carcinoma (HCC) Who Have Failed One Prior Systemic Therapy
CTID: null
Phase: Phase 2    Status: Completed
Date: 2009-10-22
A Phase 2 Study of ARQ 197 in Patients with Microphthalmia Transcription Factor Associated Tumors
CTID: null
Phase: Phase 2    Status: Completed
Date: 2009-09-18
A Randomized Phase 2 Study of Erlotinib plus ARQ 197 versus Erlotinib plus Placebo in Previously Treated Patients with Locally Advanced or Metastatic Non-Small Cell Lung Cancer
CTID: null
Phase: Phase 2    Status: Completed
Date: 2008-07-09
A Randomized Phase 2 Study of ARQ 197 versus Investigator’s Choice of Second-Line Chemotherapy in Patients with Locally Advanced or Metastatic Gastric Cancer Who Have Progressive Neoplastic Disease Following Treatment with One Prior Chemotherapy Regimen
CTID: null
Phase: Phase 2    Status: Prematurely Ended
Date: 2008-02-05
A Randomized Phase 2 Study of ARQ 197 versus Gemcitabine in Treatment-naïve Patients with Unresectable Locally Advanced or Metastatic Pancreatic Adenocarcinoma
CTID: null
Phase: Phase 2    Status: Prematurely Ended
Date: 2007-11-06

Biological Data
  • Tivantinib (ARQ 197)

  • Tivantinib (ARQ 197)
  • Tivantinib (ARQ 197)
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