Crizotinib (PF-02341066) Licensed by Pfizer

Crizotinib (PF-02341066) is a potent inhibitor of c-Met and ALK with IC50 of 11 nM and 24 nM, respectively.

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Crizotinib (PF-02341066) Chemical Structure

Crizotinib (PF-02341066) Chemical Structure
Molecular Weight: 450.34

Validation & Quality Control

Product Citations(47)

Customer Reviews(8)

Quality Control & MSDS

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  • Crizotinib (PF-02341066) Mechanism
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    Combination Therapy

Product Description

Biological Activity

Description Crizotinib (PF-02341066) is a potent inhibitor of c-Met and ALK with IC50 of 11 nM and 24 nM, respectively.
Targets c-Met [1] ALK [1]
IC50 11 nM 24 nM
In vitro PF-2341066 displays similar potency against c-Met phosphorylation in mIMCD3 mouse or MDCK canine epithelial cells with IC50 of 5 nM and 20 nM, respectivly. PF-2341066 shows improved or similar activity against NIH3T3 cells engineered to express c-Met ATP-binding site mutants V1092I or H1094R or the P-loop mutant M1250T with IC50 of 19 nM, 2 nM and 15 nM, respectively, compared with NIH3T3 cells expressing wild-type receptor with IC50 of 13 nM. In contrast, a marked shift in potency of PF-2341066 is observed against cells engineered to express c-Met activation loop mutants Y1230C and Y1235D with IC50 of 127 nM and 92 nM, respectively, compared with wild-type receptor. PF-2341066 also potently prevents the phosphorylation of c-Met in NCI-H69 and HOP92 cells, with IC50 of 13 nM and 16 nM, respectively, which express the endogenous c-Met variants R988C and T1010I, respectively. PF-2341066 is >1,000-fold selective for the VEGFR2 and PDGFRβ RTKs, >250-fold selective for IRK and Lck, and ∼40- to 60-fold selective for Tie2, TrkA, and TrkB, all compared with c-Met. PF-2341066 is 20- to 30-fold selective for RON and Axl RTKs. In contrast, PF-2341066 shows a near-equivalent IC50 of 24 nM against the nucleophosmin (NPM)-anaplastic lymphoma kinase (ALK) oncogenic fusion variant of the ALK RTK expressed by the KARPAS299 human anaplastic large cell lymphoma (ALCL) cell line. PF-2341066 inhibits c-Met–dependent neoplastic phenotypes of cancer cells and angiogenic phenotypes of endothelial cells. PF-2341066 suppresses human GTL-16 gastric carcinoma cell growth with IC50 of 9.7 nM. PF-2341066 induces apoptosis in GTL-16 cells with IC50 of 8.4 nM. PF-2341066 inhibits HGF-stimulated human NCI-H441 lung carcinoma cell migration and invasion with IC50 of 11 nM and 6.1 nM, respectively. PF-2341066 inhibits MDCK cell scattering with IC50 of 16 nM. PF-2341066 prevents HGF-stimulated c-Met phosphorylation, cell survival, and Matrigel invasion with IC50 of 11 nM, 14 nM and 35 nM, respectively. In addition, PF-2341066 prevents serum-stimulated HMVEC branching tubulogenesis (formation of vascular tubes) in fibrin gels. [1] PF-2341066 also potently inhibits NPM-ALK phosphorylation in Karpas299 or SU-DHL-1 ALCL cells with an IC50 of 24 nM. PF-2341066 potently prevents cell proliferation, which is associated with G(1)-S-phase cell cycle arrest and induction of apoptosis in ALK-positive ALCL cells with IC50 of 30 nM, but not ALK-negative lymphoma cells. [2] Besides, PF-2341066 prevents osteosarcoma behavior associated with primary tumor growth (i.e., proliferation and survival) as well as metastasis (eg, invasion and clonogenicity). [3]
In vivo In the GTL-16 model, PF-2341066 reveals the ability to cause marked regression of large established tumors (>600 mm3) in both the 50 mg/kg/day and 75 mg/kg/day treatment cohorts, with a 60% decrease in mean tumor volume over the 43-day administration schedule. In an another study, PF-2341066 displays the ability to completely inhibits GTL-16 tumor growth for >3 months, with only 1 of 12 mice exhibiting a significant increase in tumor growth over the 3-month treatment schedule at 50 mg/kg/day. In the NCI-H441 NSCLC model, a 43% decrease in mean tumor volume is observed at 50 mg/kg/day during the 38-day PF-2341066 administration cycle. In the Caki-1 RCC model, a 53% decrease in mean tumor volume is observed to be associated with decreased volume of each tumor by at least 30% at 50 mg/kg/day during the 33-day PF-2341066 administration cycle. PF-2341066 also reveals near-complete prevention of the growth of established tumors at 50 mg/kg/day in the U87MG glioblastoma or PC-3 prostate carcinoma xenograft models, with 97% or 84% inhibition on the final study day, respectively. In contrast, PF-2341066 p.o. given at 50 mg/kg/day does not significantly inhibit tumor growth in the MDA-MB-231 breast carcinoma model, or the DLD-1 colon carcinoma model. A significant dose-dependent reduction of CD31–positive endothelial cells is observed at 12.5 mg/kg/day, 25 mg/kg/day, and 50 mg/kg/day in GTL-16 tumors, indicating that inhibition of MVD shows a dose-dependent correlation to antitumor efficacy. PF-2341066 displays a significant dose-dependent reduction of human VEGFA and IL-8 plasma levels in both the GTL-16 and U87MG models. Marked inhibition of phosphorylated c-Met, Akt, Erk, PLCλ1, and STAT5 levels is observed in GTL-16 tumors following p.o. administration of PF-2341066.[1] P.o. administration of PF-2341066 to severe combined immunodeficient-Beige mice bearing Karpas299 ALCL tumor xenografts leads to dose-dependent antitumor efficacy with complete regression of all tumors at the 100 mg/kg/d dose within 15 days of initial compound administration. 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 are observed at concentrations or dose levels, which correlated with inhibition of NPM-ALK phosphorylation and function.[2] PF-2341066 prevents osteosarcoma behavior associated with primary tumor growth (eg, proliferation and survival) as well as metastasis (eg, invasion and clonogenicity). In nude mice treated with PF-2341066 via oral gavage, the growth and associated osteolysis and extracortical bone matrix formation of osteosarcoma xenografts are prevented by PF-2341066.[3] Treatment of c-MET-amplified GTL-16 xenografts with 50 mg/kg PF-2341066 elicits tumor regression that is associated with a slow reduction in 18F-FDG uptake and decreases expression of the glucose transporter 1, GLUT-1.[4]
Features

Protocol(Only for Reference)

Kinase Assay: [1]

Cellular kinase phosphorylation ELISA assays Cells are seeded in 96-well plates in media supplemented with 10% fetal bovine serum (FBS) and transferred to serum-free media [with 0.04% bovine serum albumin (BSA)] after 24 h. In experiments investigating ligand-dependent RTK phosphorylation, corresponding growth factors are added for up to 20 min. After incubation of cells with PF-2341066 for 1 h and/or appropriate ligands for the designated times, cells are washed once with HBSS supplemented with 1 mM Na3VO4, and protein lysates are generated from cells. Subsequently, phosphorylation of selected protein kinases is assessed by a sandwich ELISA method using specific capture antibodies used to coat 96-well plates and a detection antibody specific for phosphorylated tyrosine residues. Antibody-coated plates are (a) incubated in the presence of protein lysates at 4°C overnight; (b) washed seven times in 1% Tween 20 in PBS; (c) incubated in a horseradish peroxidase–conjugated anti–total-phosphotyrosine (PY-20) antibody (1:500) for 30 min; (d) washed seven times again; (e) incubated in 3,3′,5,5′-tetramethyl benzidine peroxidase substrate to initiate a colorimetric reaction that is stopped by adding 0.09 N H2SO4; and (f) measured for absorbance in 450 nm using a spectrophotometer.

Cell Assay: [1]

Cell lines GTL-16 gastric carcinoma cells and T47D breast carcinoma cells
Concentrations 0-256 nM
Incubation Time 1 hour
Method Cells including GTL-16 gastric carcinoma cells and T47D breast carcinoma cells are seeded in 96-well plates in media supplemented with 10% fetal bovine serum (FBS) and transferred to serum-free media [with 0.04% bovine serum albumin (BSA)] after 24 hours. In experiments investigating ligand-dependent RTK phosphorylation, corresponding growth factors are added for up to 20 minutes. After incubation of cells with PF-2341066 for 1 hour and/or appropriate ligands for the designated times, cells are washed once with HBSS supplemented with 1 mM Na3VO4, and protein lysates are generated from cells. Subsequently, phosphorylation of selected protein kinases is assessed by a sandwich ELISA method using specific capture antibodies used to coat 96-well plates and a detection antibody specific for phosphorylated tyrosine residues. Antibody-coated plates are (a) incubated in the presence of protein lysates at 4 °C overnight; (b) washed seven times in 1% Tween 20 in PBS; (c) incubated in a horseradish peroxidase–conjugated anti–total-phosphotyrosine (PY-20) antibody (1:500) for 30 min; (d) washed seven times again; (e) incubated in 3,3,5,5-tetramethyl benzidine peroxidase substrate to initiate a colorimetric reaction that is stopped by adding 0.09 N H2SO4; and (f) measured for absorbance in 450 nm using a spectrophotometer.

Animal Study: [1]

Animal Models Female or male nu/nu mice bearing NCI-H441,or DLD-1, or MDA-MB-231
Formulation
Dosages 12.5 mg/kg/day, 25 mg/kg/day, and 50 mg/kg/day
Administration Administered via p.o.
Solubility 30% PEG400/0.5% Tween80/5% propylene glycol, 30 mg/mL
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesBaboonDogMonkeyRabbitGuinea pigRatHamsterMouse
Weight (kg)121031.80.40.150.080.02
Body Surface Area (m2)0.60.50.240.150.050.0250.020.007
Km factor202012128653
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
1

References

[1] Zou HY, et al. Cancer Res. 2007, 67(9), 4408-4417.

[2] Christensen JG, et al. Mol Cancer Ther. 2007, 6(12 Pt 1), 3314-3322.

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Clinical Trial Information( data from http://clinicaltrials.gov, updated on 2014-10-16)

NCT Number Recruitment Conditions Sponsor
/Collaborators
Start Date Phases
NCT02207504 Not yet recruiting Castration-resistant Prostate Cancer Dana-Farber Cancer Institute|Astellas Pharma Inc|Pfizer August 2014 Phase 1
NCT02201992 Recruiting Stage IB Non-small Cell Lung Cancer|Stage IIA Non-small Cell Lung Cancer|Stage IIB Non-small Cell Lung Cancer|Stage IIIA Non-small Cell Lung Cancer Eastern Cooperative Oncology Group|National Cancer Instit  ...more Eastern Cooperative Oncology Group|National Cancer Institute (NCI) August 2014 Phase 3
NCT02223819 Recruiting Uveal Melanoma Memorial Sloan-Kettering Cancer Center|Pfizer August 2014 Phase 2
NCT02075840 Recruiting Non-Small Cell Lung Cancer Hoffmann-La Roche July 2014 Phase 3
NCT02074878 Recruiting Breast Cancer Baylor Breast Care Center June 2014 Phase 1

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Chemical Information

Download Crizotinib (PF-02341066) SDF
Molecular Weight (MW) 450.34
Formula

C21H22Cl2FN5O

CAS No. 877399-52-5
Storage 3 years -20℃Powder
6 months-80℃in DMSO
Synonyms
Solubility (25°C) * In vitro DMSO 9 mg/mL (19 mM)
Water <1 mg/mL (<1 mM)
Ethanol <1 mg/mL (<1 mM)
In vivo 30% PEG400/0.5% Tween80/5% propylene glycol 30 mg/mL
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Chemical Name 3-((R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy)-5-(1-(piperidin-4-yl)-1H-pyrazol-4-yl)pyridin-2-amine

Research Area

Customer Reviews (8)


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Rating
Source Nat Med 2011 17, 1116-1120. Crizotinib (PF-02341066) purchased from Selleck
Method Western blot
Cell Lines RCT-E565 transplanted tumors
Concentrations 25 mg/kg/d, 50 mg/kg/d
Incubation Time 0-21 d
Results We then treated mice bearing RCT-E565 tumor transplants with PF02341066, a c-Met inhibitor currently in clinical development. PF02341066 abrogated both p-Akt and p-S6RP signals as well as tumor growth.

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Rating
Source Cancer Cell 2011 19, 679–690. Crizotinib (PF-02341066) purchased from Selleck
Method Cell Growth Inhibition Assay
Cell Lines Ba/F3 cells
Concentrations
Incubation Time 48 h
Results The sensitivities of L1196M-driven Ba/F3 cell clones to PF-02341066 were lower, closely resembling that of the Ba/F3 parental cells. The therapeutic indexes of CH5424802 and PF-02341066, the IC50 ratio of EML4-ALK L1196M-driven cell clones to the parental cells, were 7- to 12-fold and 1- to 2-fold.

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Rating
Source Cancer Cell 2011 19, 679–690. Crizotinib (PF-02341066) purchased from Selleck
Method Immunoblot analysis, Tumor growth inhibition Assay
Cell Lines xenograft models
Concentrations 100 mg/kg
Incubation Time 8 days
Results We showed that administration of CH5424802 led to significant tumor regression against both native EML4-ALK- and L1196M-driven tumors. On the other hand, PF-02341066 (100 mg/kg) resulted in no significant tumor growth inhibition against L1196M-driven tumors. Furthermore, we confirmed that phospho-STAT3, one of the downstream targets of ALK, was abolished in both tumors that were treated with CH5424802.

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Rating
Source J Biomol Screen 2011 16, 141-154. Crizotinib (PF-02341066) purchased from Selleck
Method VimPro-Fluc-MDA-MB-231 spheroid viability, Western blot
Cell Lines MDA-MB-231 spheroids
Concentrations
Incubation Time
Results When Vimpro-Fluc downregulation reaches ≥70%, then downregulation of vimentin protein expression is more pronounced. of the modulators tested—U0126, dasatinib,axitinib, and pF2341066-all downregulated Vimpro-Fluc activity by ≥70%, which correlated with a significant down-reglation of vimentin protein expression. Finally, dose-response curves were generated with both U0126 (iC50 = 2.5 µM) and axitinib (iC50 = 0.25 µM), demonstrating that these small molecules modulate Vimpro-Fluc activity in a dose-dependent manner, indicating that their respective target(s) and signaling pathways play a significant role in maintaining vimentin expression and possibly mesenchymal homeostasis (Fig. B)

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Rating
Source J Biomol Screen 2011 16, 141-154. Crizotinib (PF-02341066) purchased from Selleck
Method Secondary assay
Cell Lines MDA-MB-231 spheroids
Concentrations 10 µM
Incubation Time
Results U0126, pF2341066, axitinib, and pKC412 caused significant inhibition of the invasive potential of Mda-Mb-231 spheroids. Conversely, dasatinib, a potent inhibitor of vimentin gene expression, did not significantly alter the invasive potential of Mda-Mb-231 spheroids.

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Rating
Source Int J Proteomics 2011 2011, 215496. Crizotinib (PF-02341066) purchased from Selleck
Method CEER assay
Cell Lines H1993 cell line
Concentrations 0-10 μM
Incubation Time 4 h
Results In the c-MET amplified cell line H1993, activation of this pathway was blocked by the treatment with PF-2341066, a c-MET kinase inhibitor.

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Rating
Source Int J Proteomics 2011 2011, Article ID 215496. Crizotinib (PF-02341066) purchased from Selleck
Method Nikon inverted-phase microscope
Cell Lines lung tumor cell lines
Concentrations 0.1/1 µM
Incubation Time two weeks
Results Large colony formation of H1993 cells, whose proliferation in tissue culture was potently blocked by treatment with the c-MET kinase inhibitor PF-2341066, was also inhibited by treatment with the same inhibitor.

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Rating
Source Dr. Zhang of Tianjin Medical University. Crizotinib (PF-02341066) purchased from Selleck
Method Western blot
Cell Lines MDA-MB-231 cell line
Concentrations 0-100 nM
Incubation Time
Results

Product Citations (47)

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