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Gilteritinib (ASP2215) hemifumarate is a potent and ATP-competitive FLT3 / AXL inhibitor with IC 50 of 0.29 nM/0.73 nM, respectively.
In Vitro
Of the 78 tyrosine kinases tested, Gilteritinib (ASP2215) inhibits FLT3, leukocyte tyrosine kinase (LTK), anaplastic lymphoma kinase (ALK), and AXL kinases by over 50% at 1 nM with an IC 50 value of 0.29 nM for FLT3, approximately 800-fold more potent than for c-KIT. Gilteritinib inhibits the activity of eight of the 78 tested kinases by over 50% at concentrations of either 1 nM (FLT3, LTK, ALK, and AXL) or 5 nM (TRKA, ROS, RET, and MER). The IC 50 s are 0.29 nM for FLT3 and 0.73 nM for AXL. Gilteritinib inhibits FLT3 at an IC 50 that is approximately 800-fold more potent than the concentration required to inhibit c-KIT (230 nM). The antiproliferative activity of Gilteritinib is evaluated against MV4-11 and MOLM-13 cells, which endogenously express FLT3-ITD. After 5 days of treatment, Gilteritinib inhibits the growth of MV4-11 and MOLM-13 cells with mean IC 50 s of 0.92 nM (95% CI: 0.23-3.6 nM) and 2.9 nM (95% CI: 1.4-5.8 nM), respectively. Growth suppression of MV4-11 cells is accompanied by inhibition of FLT3 phosphorylation. Relative to vehicle control cells, phosphorylated FLT3 levels are 57%, 8%, and 1% after 2 h of treatment with 0.1 nM, 1 nM, and 10 nM Gilteritinib, respectively. In addition, doses as low as 0.1 nM or 1 nM result in the suppression of phosphorylated ERK, STAT5, and AKT, all of which are downstream targets of FLT3 activation. To investigate the effects of Gilteritinib on AXL inhibition, MV4-11 cells that expressed exogenous AXL are treated with Gilteritinib. At concentrations of 1 nM, 10 nM, and 100 nM for 4 h, Gilteritinib treatment decreases phosphorylated AXL levels by 38%, 29%, and 22%, respectively. MCE has not independently confirmed the accuracy of these methods. They are for reference only.
In Vivo
In MV4-11 xenografted-mice, the concentration of Gilteritinib (ASP2215) in tumors is more than 20-fold higher than that in plasma with oral administration of Gilteritinib at 10 mg/kg for 4 days. Treatment of Gilteritinib for 28 days results in dose-dependent inhibition of MV4-11 tumor growth and induces complete tumor regression at more than 6 mg/kg. Further, Gilteritinib decreases tumor burden in bone marrow and prolonged the survival of mice intravenously transplanted with MV4-11 cells . MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Cell Assay
The effect of Gilteritinib on MV4-11 and MOLM-13 cells is assessed using the CellTiter-Glo Luminescent Cell Viability Assay. Subsequent studies are conducted to examine the effect of Gilteritinib and Quizartinib on Ba/F3 cells expressing either FLT3-ITD, FLT3-D835Y, FLT3-ITD-D835Y, FLT3-ITD-F691 L, or FLT3-ITD-F691I. MV4-11 and MOLM-13 cells are treated with DMSO or increasing concentrations of Gilteritinib (0.01, 0.1, 1, 10, and 100 nM) for 5 days, and cell viability is measured using CellTiter-Glo. MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Form:Solid
IC50& Target:IC50: 0.29 nM (FLT3), IC50: 0.35 nM (LTK), 0.73 nM (AXL), 1.2 nM (EML4-ALK), 230 nM (c-KIT)
分类树(Taxonomy Tree)
| 界(kingdom) | 有机化合物 |
|---|---|
| 超类(Superclass) | 有机杂环化合物 |
| 类(Class) | 哌啶类 |
| 亚类(Subclass) | 苯基哌啶 |
| 中间层级节点(Intermediate Tree Nodes) | 暂无 |
| 直接上位类(Direct Parent) | 苯基哌啶 |
| 其他上位类(Alternative Parents) | 吡嗪酰胺类 氨基苯醚 甲氧基苯胺 茴香醚 苯氧基化合物 二烷基芳胺 2-杂芳基酰胺 甲氧基苯 氨基吡嗪类 氨基哌啶类 仲烷基芳胺 烷基芳基醚 N-甲基哌嗪 不饱和脂肪酸 氧烷 二羧酸及其衍生物 咪唑内酰胺类 乙烯基酰胺 杂芳族化合物 三烷基胺 氨基酸及其衍生物 伯羧酸酰胺 氧环化合物 二烷基醚 羧酸 氮杂环化合物 碳氢化合物衍生物 羰基化合物 有机氧化物 |
| 分子骨架(Molecular Framework) | 暂无 |
| 取代基(Substituents) | 1,4-二氮杂环丁烷 - 2-异芳基甲酰胺 - 4-氨基哌啶 - 芳基醚 - 氨基酸 - 氨基酸或其衍生物 - 氨基苯醚 - 氨基吡嗪 - 苯胺或取代苯胺 - 茴香醚 - 芳香族杂单环化合物 - 氮杂环 - 苯基化合物 - 羰基 - 羧酰胺基 - 羧酰胺基 - 羧酸衍生物 - 二烷基醚 - 二烷基芳基胺 - 二羧酸或其衍生物 - 乙醚 - 脂肪酸 - 脂肪酰基 - 杂芳香族化合物 - 烃衍生物 - 咪唑内酰胺 - 甲氧基苯胺 - 甲氧基苯 - 单环苯基基团 - N-烷基哌嗪 - N-甲基哌嗪 - 有机硝基化合物 - 有机氧化物 - 有机氧化合物 - 有机氮化合物 - 有机氧化合物 - 氧杂环 - 氧杂环丁烷 - 苯酚醚 - 苯氧基化合物 - 苯基哌啶 - 哌嗪 - 醛基胺 - 吡嗪 - 吡嗪羧酸或其衍生物 - 吡嗪甲酰胺 - 二级脂肪族/芳香族胺 - 醛基 - 三元脂肪胺 - 三芳基胺 - 不饱和脂肪酸 - 乙烯酰胺 |
| 描述(Description) | 该化合物属于苯基哌啶类有机化合物。这类化合物具有苯基哌啶骨架,即哌啶与苯基相连的结构。 |
| 外部描述符(External Descriptors) | 暂无 |