Molecular Weight(MW): 463.57
AZD4547 is a novel selective FGFR inhibitor targeting FGFR1/2/3 with IC50 of 0.2 nM/2.5 nM/1.8 nM in cell-free assays, weaker activity against FGFR4, VEGFR2(KDR), and little activity observed against IGFR, CDK2, and p38. Phase 2/3.
Cited by 11 Publications
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Treatment of human CECs with of IL-1β (*, P < 0.01) and FGF2 (+, P < 0.01) resulted in enhanced cell migration as measured in a scratch-induced directional migration assay. Cotreatment with AZD4547 (AZD), an antagonist against FGF receptors 1 to 3, abolished the FGF2-enhanced (++, P < 0.01) but not the IL-1β-enhanced (P > 0.05) migration in human CECs. One-way ANOVA: F(4, 80) = 512, P < 0.00001, n =17 per sample. Tukey's post hoc test, HSD[0.05] = 10.9; HSD[0.01] = 13.1.
Mol Cell Biol 2014 34(18), 3535-45. AZD4547 purchased from Selleck.
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|Description||AZD4547 is a novel selective FGFR inhibitor targeting FGFR1/2/3 with IC50 of 0.2 nM/2.5 nM/1.8 nM in cell-free assays, weaker activity against FGFR4, VEGFR2(KDR), and little activity observed against IGFR, CDK2, and p38. Phase 2/3.|
|Features||Greater selectivity for FGFR1-3 over FGFR4. AZD4547 is active against the tyrosine kinase activity of both the wild-type and mutant forms of FGFR.|
Compared to FGFR1-3, AZD4547 displays weaker activity against FGFR4 with IC50 of 165 nM. AZD4547 only inhibits recombinant VEGFR2 (KDR) kinase activity with IC50 of 24 nM, in the in vitro selectivity test against a diverse panel of representative human kinases. AZD4547 at 0.1 μM exhibits no activity against a range of recombinant kinases including ALK, CHK1, EGFR, MAPK1, MEK1, p70S6K, PDGFR, PKB, Src, Tie2, and PI3-kinase. Consistently, the potent selectivity of AZD4547 for FGFR1-3 over FGFR4, IGFR, and KDR is also observed in cellular phosphorylation assays. AZD4547 has potent in vitro antiproliferative activity only against tumor cell lines expressing deregulated FGFRs such as KG1a, Sum52-PE, and KMS11 with IC50 of 18-281 nM, and is inactive against MCF7 as well as more than 100 additional tumor cell lines. AZD4547 treatment potently inhibits FGFR and MAPK phosphorylation in human tumor cell lines in a dose-dependent manner. AZD4547 also potently inhibits the phosphorylation of FRS2 and PLCγ, downstream markers of FGFR signaling. Notably, AZD4547 affects the AKT phosphorylation in the breast cell lines, MCF7 and Sum52-PE but not in KG1a and KMS11 lines. AZD4547 treatment significantly induces apoptosis in Sum52-PE and KMS11 cells, dramatically increases G1 arrest but not apoptosis in KG1a cells, and has no effect on cell cycle distribution or apoptosis in MCF7 cells. 
|In vivo||Oral administration of AZD4547 at 3 mg/kg twice daily in mice bearing KMS11 tumors results in significant tumor growth inhibition of 53% when compared with vehicle-treated controls, and AZD4547 at 12.5 mg/kg once daily or 6.25 mg/kg twice daily leads to complete tumor stasis, which is associated with dose proportional pharmacodynamic modulation of phospho-FGFR3 and reduced KMS11 tumor cell proliferation. Moreover, oral administration of AZD4547 at 12.5 mg/kg once daily results in 65% tumor growth inhibition in the FGFR1-fusion KG1a xenograft model. At efficacious dose levels, AZD4547 does not exhibit antiangiogenic effects. AZD4547 has no significant effect on blood pressure and therefore lacks in vivo anti-KDR activity. Consistently, dosing of 6.25 mg/kg orally twice daily AZD4547 is inactive in the cediranib-sensitive xenograft models including Calu-6, HCT-15 and LoVo. |
AZD4547 kinase activity:The ability of AZD4547 to inhibit the human recombinant kinase activities of FGFR1-3 is tested using ATP concentrations at, or just below, the respective Km.
|In vitro||DMSO||92 mg/mL (198.45 mM)|
|In vivo||4% DMSO+30% PEG 300+5% Tween 80+ddH2O||5mg/mL|
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Clinical Trial Information
|NCT Number||Recruitment||Conditions||Sponsor/Collaborators||Start Date||Phases|
|NCT02546661||Not yet recruiting||Muscle Invasive Bladder Cancer||AstraZeneca||August 2016||Phase 1|
|NCT02824133||Recruiting||Recurrent IDHwt Gliomas With FGFR3-TACC3 Fusion|Recurrent IDHwt Gliomas With FGFR1-TACC1 Fusion||Assistance Publique - Hôpitaux de Paris||September 2015||Phase 1|Phase 2|
|NCT02465060||Recruiting||Advanced Malignant Neoplasm|Lymphoma|Refractory Malignant Neoplasm|Solid Neoplasm||National Cancer Institute (NCI)||August 2015||Phase 2|
|NCT02664935||Recruiting||Non-Small Cell Lung Cancer|Carcinoma, Squamous Cell|Adenocarcinoma||University of Birmingham|Cancer Research UK|AstraZeneca|Pfizer|Experimental Cancer Medicine Centre Network||March 2015||Phase 2|
|NCT02154490||Recruiting||Recurrent Squamous Cell Lung Carcinoma|Stage IV Squamous Cell Lung Carcinoma||Southwest Oncology Group|National Cancer Institute (NCI)||June 2014||Phase 2|Phase 3|
|NCT02117167||Recruiting||Non-small Cell Lung Cancer Metastatic||UNICANCER|IFCT|Fondation ARC|AstraZeneca||April 2014||Phase 2|
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