(R)-Crizotinib

C-MET/ALK inhibitor,potent and ATP-competitve CAS# 877399-52-5

(R)-Crizotinib

Catalog No. BCC1284----Order now to get a substantial discount!

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Chemical structure

(R)-Crizotinib

3D structure

Chemical Properties of (R)-Crizotinib

Cas No. 877399-52-5 SDF Download SDF
PubChem ID 11626560 Appearance Powder
Formula C21H22Cl2FN5O M.Wt 450.34
Type of Compound N/A Storage Desiccate at -20°C
Synonyms PF 02341066, PF 2341066
Solubility DMSO : 12.5 mg/mL (27.76 mM; Need ultrasonic)
Chemical Name 3-[(1R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]-5-(1-piperidin-4-ylpyrazol-4-yl)pyridin-2-amine
SMILES CC(C1=C(C=CC(=C1Cl)F)Cl)OC2=C(N=CC(=C2)C3=CN(N=C3)C4CCNCC4)N
Standard InChIKey KTEIFNKAUNYNJU-GFCCVEGCSA-N
Standard InChI InChI=1S/C21H22Cl2FN5O/c1-12(19-16(22)2-3-17(24)20(19)23)30-18-8-13(9-27-21(18)25)14-10-28-29(11-14)15-4-6-26-7-5-15/h2-3,8-12,15,26H,4-7H2,1H3,(H2,25,27)/t12-/m1/s1
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 (R)-Crizotinib

DescriptionPotent inhibitor of c-MET and anaplastic lymphoma kinase (ALK) (cell IC50 values are 8.0 and 20 nM respectively). Selective for c-MET and ALK against >120 different kinases. Displays antitumor efficacy in multiple tumor models; inhibits c-MET-dependent proliferation, migration and invasion of human tumor cells in vitro. Orally bioavailable.

(R)-Crizotinib Dilution Calculator

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Preparing Stock Solutions of (R)-Crizotinib

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.2205 mL 11.1027 mL 22.2054 mL 44.4109 mL 55.5136 mL
5 mM 0.4441 mL 2.2205 mL 4.4411 mL 8.8822 mL 11.1027 mL
10 mM 0.2221 mL 1.1103 mL 2.2205 mL 4.4411 mL 5.5514 mL
50 mM 0.0444 mL 0.2221 mL 0.4441 mL 0.8882 mL 1.1103 mL
100 mM 0.0222 mL 0.111 mL 0.2221 mL 0.4441 mL 0.5551 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.

Research Update of (R)-Crizotinib

1. Increased oral availability and brain accumulation of the ALK inhibitor crizotinib by coadministration of the P-glycoprotein (ABCB1) and breast cancer resistance protein (ABCG2) inhibitor elacridar. Int J Cancer. 2014 Mar 15;134(6):1484-94. doi: 10.1002/ijc.28475. Epub 2013 Oct 3.
Abstract
Crizotinib concentrations in plasma and brain are regulated by Abcb1 only if a non-saturating dose is applied. The co-administration of elacridar and crizotinib not only substantially increases crizotinib concentrations in plasma and brain but also promotes the delivery of crizotinib to the brain.
2. Clinical benefit of continuing ALK inhibition with crizotinib beyond initial disease progression in patients with advanced ALK-positive NSCLC. Ann Oncol. 2014 Feb;25(2):415-22. doi: 10.1093/annonc/mdt572.
Abstract
Crizotinib, a drug approved for the treatment of ALK-positive NSCLC, has been investigated for its clinical benefits in crizotinib-treated patients who have developed PD.
4. Crizotinib may be used in Lewis lung carcinoma: a novel use for crizotinib. Oncol Rep. 2013 Jul;30(1):139-48. doi: 10.3892/or.2013.2424. Epub 2013 Apr 24.
Abstract
Crizotinib is an inhibitor of ALK that has been approved by FDA for the treatment of locally advanced or metastatic ALK-positive NSCLC. Crizotinib also exhibited antitumor activity in LLC cell lines, where it induced apoptosis and G1 phase arrest in LLC MP cells; inhibited cell proliferation in LLC SP cells; suppressed tumor growth and angiogenesis in established xenografted tumors; and activated the Smad signaling pathway.

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Background on (R)-Crizotinib

Crizotinib is a potent, ATP-competitive, small-molecule and orally available inhibitor of c-Met kinase with a Ki value of 4 nmol/L[1].

Crizotinib has shown to inhibit wild-type c-Met phosphorylation with a mean IC50 value of 11 nmol/L in multiple human endothelial and carcinoma cell lines. Crizotinib has been demonstrated to inhibit cell growth and induce apoptosis in human GTL-16 gastric carcinoma cells. Additionally, crizotinib could inhibit cell migration and invasion induced by HGF in human NCI-H441 lung cancer cells. Moreover, crizotinib has revealed to block cell scattering of MDCK [1].

Crizotinib has been indicated to suppress tumor growth in GTL-16, NCI-H441 NSCLC, Caki-1 RCC, U87MG glioblastoma or PC-3 prostate tumor xenograft mice [1].

References:
[1] Zou HY1, Li Q, Lee JH, Arango ME, McDonnell SR, Yamazaki S, Koudriakova TB, Alton G, Cui JJ, Kung PP, Nambu MD, Los G, Bender SL,Mroczkowski B, Christensen JG. An orally available small-molecule inhibitor of c-Met, PF-2341066, exhibits cytoreductive antitumor efficacy through antiproliferative and antiangiogenic mechanisms. Cancer Res. 2007 May 1;67(9):4408-17.

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References on (R)-Crizotinib

Co-delivery of Sildenafil (Viagra((R))) and Crizotinib for synergistic and improved anti-tumoral therapy.[Pubmed:24623484]

Pharm Res. 2014 Sep;31(9):2516-28.

PURPOSE: Cancer multi-drug resistance is a major issue associated with current anti-tumoral therapeutics. In this work, Crizotinib an anti-tumoral drug approved for the treatment of non-small lung cancer in humans, and Sildenafil (Viagra((R))), were loaded into micellar carriers to evaluate the establishment of a possible synergistic anti-tumoral effect in breast cancer cells. METHODS: Micellar carriers comprised by PEG-PLA block co-polymers were formulated by the solvent displacement method in which the simultaneous encapsulation of Crizotinib and Sildenafil was promoted. Encapsulation efficiency was analyzed by a new UPLC method validated for this combination of compounds. Micelle physicochemical characterization and cellular uptake were characterized by light scattering and confocal microscopy. The bio- and hemocompatibility of the carriers was also evaluated. MCF-7 breast cancer cells were used to investigate the synergistic anti-tumoral effect. RESULTS: Our results demonstrate that this particular combination induces massive apoptosis of breast cancer cells. The co-delivery of Crizotinib and Sildenafil was only possible due to the high encapsulation efficiency of the micellar systems (>70%). The micelles with size ranging between 93 and 127 nm were internalized by breast cancer cells and subsequently released their payload in the intracellular compartment. The results obtained demonstrated that the delivery of both drugs by micellar carriers led to a 2.7 fold increase in the anti-tumoral effect, when using only half of the concentration that is required when free drugs are administered. CONCLUSIONS: Altogether, co-delivery promoted a synergistic effect and demonstrated for the first time the potential of PEG-PLA-Crizotinib-Sildenafil combination for application in cancer therapy.

Metformin restores crizotinib sensitivity in crizotinib-resistant human lung cancer cells through inhibition of IGF1-R signaling pathway.[Pubmed:27144340]

Oncotarget. 2016 Jun 7;7(23):34442-52.

AIM: Despite the impressive efficacy of crizotinib for the treatment of ALK-positive non-small cell lung cancer, patients invariably develop therapeutic resistance. Suppression of the IGF-1R signaling pathway may abrogate this acquired mechanism of drug resistance to crizotinib. Metformin, a widely used antidiabetic agent, may reverse crizotinib resistance through inhibition of IGF-1R signaling. RESULTS: The present study revealed that metformin effectively increased the sensitivity of both crizotinib-sensitive and -resistant non-small cell lung cancer cells to crizotinib, as evidenced by decreased proliferation and invasion and enhanced apoptosis. Metformin reduced IGF-1R signaling activation in crizotinib-resistant cells. Furthermore, the addition of IGF-1 to crizotinib-sensitive H2228 cells induced crizotinib resistance, which was overcome by metformin. EXPERIMENTAL DESIGN: The effects of metformin to reverse crizotinib resistance were examined in vitro by using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium (MTT), invasion assay, ki67 incorporation assay, flow cytometry analysis, Western blot analysis, and colony-forming assay. CONCLUSIONS: Metformin may be used in combination with crizotinib in ALK+ NSCLC patients to overcome crizotinib resistance and prolong survival.

Structure based drug design of crizotinib (PF-02341066), a potent and selective dual inhibitor of mesenchymal-epithelial transition factor (c-MET) kinase and anaplastic lymphoma kinase (ALK).[Pubmed:21812414]

J Med Chem. 2011 Sep 22;54(18):6342-63.

Because of the critical roles of aberrant signaling in cancer, both c-MET and ALK receptor tyrosine kinases are attractive oncology targets for therapeutic intervention. The cocrystal structure of 3 (PHA-665752), bound to c-MET kinase domain, revealed a novel ATP site environment, which served as the target to guide parallel, multiattribute drug design. A novel 2-amino-5-aryl-3-benzyloxypyridine series was created to more effectively make the key interactions achieved with 3. In the novel series, the 2-aminopyridine core allowed a 3-benzyloxy group to reach into the same pocket as the 2,6-dichlorophenyl group of 3 via a more direct vector and thus with a better ligand efficiency (LE). Further optimization of the lead series generated the clinical candidate crizotinib (PF-02341066), which demonstrated potent in vitro and in vivo c-MET kinase and ALK inhibition, effective tumor growth inhibition, and good pharmaceutical properties.

Cytoreductive antitumor activity of PF-2341066, a novel inhibitor of anaplastic lymphoma kinase and c-Met, in experimental models of anaplastic large-cell lymphoma.[Pubmed:18089725]

Mol Cancer Ther. 2007 Dec;6(12 Pt 1):3314-22.

A t(2;5) chromosomal translocation resulting in expression of an oncogenic kinase fusion protein known as nucleophosmin-anaplastic lymphoma kinase (NPM-ALK) has been implicated in the pathogenesis of anaplastic large-cell lymphoma (ALCL). PF-2341066 was recently identified as a p.o. bioavailable, small-molecule inhibitor of the catalytic activity of c-Met kinase and the NPM-ALK fusion protein. PF-2341066 also potently inhibited NPM-ALK phosphorylation in Karpas299 or SU-DHL-1 ALCL cells (mean IC(50) value, 24 nmol/L). In biochemical and cellular screens, PF-2341066 was shown to be selective for c-Met and ALK at pharmacologically relevant concentrations across a panel of >120 diverse kinases. PF-2341066 potently inhibited cell proliferation, which was associated with G(1)-S-phase cell cycle arrest and induction of apoptosis in ALK-positive ALCL cells (IC(50) values, approximately 30 nmol/L) but not ALK-negative lymphoma cells. The induction of apoptosis was confirmed using terminal deoxyribonucleotide transferase-mediated nick-end labeling and Annexin V staining (IC(50) values, 25-50 nmol/L). P.o. administration of PF-2341066 to severe combined immunodeficient-Beige mice bearing Karpas299 ALCL tumor xenografts resulted in dose-dependent antitumor efficacy with complete regression of all tumors at the 100 mg/kg/d dose within 15 days of initial compound administration. A strong correlation was observed between antitumor response and inhibition of NPM-ALK phosphorylation and induction of apoptosis in tumor tissue. In addition, inhibition of key NPM-ALK signaling mediators, including phospholipase C-gamma, signal transducers and activators of transcription 3, extracellular signal-regulated kinases, and Akt by PF-2341066 were observed at concentrations or dose levels, which correlated with inhibition of NPM-ALK phosphorylation and function. Collectively, these data illustrate the potential clinical utility of inhibitors of NPM-ALK in treatment of patients with ALK-positive ALCL.

An orally available small-molecule inhibitor of c-Met, PF-2341066, exhibits cytoreductive antitumor efficacy through antiproliferative and antiangiogenic mechanisms.[Pubmed:17483355]

Cancer Res. 2007 May 1;67(9):4408-17.

The c-Met receptor tyrosine kinase and its ligand, hepatocyte growth factor (HGF), have been implicated in the progression of several human cancers and are attractive therapeutic targets. PF-2341066 was identified as a potent, orally bioavailable, ATP-competitive small-molecule inhibitor of the catalytic activity of c-Met kinase. PF-2341066 was selective for c-Met (and anaplastic lymphoma kinase) compared with a panel of >120 diverse tyrosine and serine-threonine kinases. PF-2341066 potently inhibited c-Met phosphorylation and c-Met-dependent proliferation, migration, or invasion of human tumor cells in vitro (IC(50) values, 5-20 nmol/L). In addition, PF-2341066 potently inhibited HGF-stimulated endothelial cell survival or invasion and serum-stimulated tubulogenesis in vitro, suggesting that this agent also exhibits antiangiogenic properties. PF-2341066 showed efficacy at well-tolerated doses, including marked cytoreductive antitumor activity, in several tumor models that expressed activated c-Met. The antitumor efficacy of PF-2341066 was dose dependent and showed a strong correlation to inhibition of c-Met phosphorylation in vivo. Near-maximal inhibition of c-Met activity for the full dosing interval was necessary to maximize the efficacy of PF-2341066. Additional mechanism-of-action studies showed dose-dependent inhibition of c-Met-dependent signal transduction, tumor cell proliferation (Ki67), induction of apoptosis (caspase-3), and reduction of microvessel density (CD31). These results indicated that the antitumor activity of PF-2341066 may be mediated by direct effects on tumor cell growth or survival as well as antiangiogenic mechanisms. Collectively, these results show the therapeutic potential of targeting c-Met with selective small-molecule inhibitors for the treatment of human cancers.

Description

Crizotinib (PF-02341066) is an orally bioavailable, selective, and ATP-competitive dual ALK and c-Met inhibitor with IC50s of 20 and 8 nM, respectively. Crizotinib (PF-02341066) inhibits tyrosine phosphorylation of NPM-ALK and tyrosine phosphorylation of c-Met with IC50s of 24 and 11 nM in cell-based assays, respectively. Crizotinib (PF-02341066) is also a ROS proto-oncogene 1 (ROS1) inhibitor. Crizotinib (PF-02341066) has effective tumor growth inhibition.

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