Avitinib maleate is a pyrrolopyrimidine-based irreversible epidermal growth factor receptor (EGFR) inhibitor with an IC50 of 7.68nM[1]. Avitinib maleate is also a BTK inhibitor that induces apoptosis and inhibits phosphorylation of BTK in mantle cell lymphoma[2]. Avitinib maleate is usually used in research on non-small cell lung cancer (NSCLC) and acute myeloid leukemia (AML)[3][4].
In vitro, Avitinib maleate (2.5 and 5μM; 12 days) impairs CFU-MK formation and inhibits the proliferation of CD34+ HSC-derived MK progenitor cells[5].
In vivo, pretreated with Avitinib maleate (30mg/kg/day; orally; 7 days) inhibited the metabolic activity of CYP450 enzymes, and significantly increased the AUC(0-∞) of probe substrates phenacetin, bupropion, and dextromethorphan in rats[6]. Avitinib maleate (30mg/kg/day; orally; 7 days) inhibited the metabolic activity of osimertinib, significantly increased the AUC and MRT of osimertinib, and decreased CLz/F in rats[7].
References:
[1] Xu X, Mao L, Xu W, et al. AC0010, an Irreversible EGFR Inhibitor Selectively Targeting Mutated EGFR and Overcoming T790M-Induced Resistance in Animal Models and Lung Cancer Patients. Mol Cancer Ther. 2016;15(11):2586-2597.
[2] Yan X, Zhou Y, Huang S, et al. Promising efficacy of novel BTK inhibitor AC0010 in mantle cell lymphoma. J Cancer Res Clin Oncol. 2018;144(4):697-706.
[3] Wang H, Pan R, Zhang X, Si X, Wang M, Zhang L. Abivertinib in patients with T790M-positive advanced NSCLC and its subsequent treatment with osimertinib. Thorac Cancer. 2020;11(3):594-602.
[4] Huang S, Pan J, Jin J, et al. Abivertinib, a novel BTK inhibitor: Anti-Leukemia effects and synergistic efficacy with homoharringtonine in acute myeloid leukemia. Cancer Lett. 2019;461:132-143.
[5] Huang J, Huang X, Li Y, et al. Abivertinib inhibits megakaryocyte differentiation and platelet biogenesis. Front Med. 2022;16(3):416-428.
[6] Shi Y, Meng D, Wang S, et al. Effects of Avitinib on CYP450 Enzyme Activity in vitro and in vivo in Rats. Drug Des Devel Ther. 2021;15:3661-3673.
[7] Wu Q, Jiang H, Wang S, et al. Effects of avitinib on the pharmacokinetics of osimertinib in vitro and in vivo in rats. Thorac Cancer. 2020;11(10):2775-2781.
Avitinib maleate是一种基于吡咯并嘧啶的不可逆表皮生长因子受体(EGFR)抑制剂,其IC50值为7.68nM[1]。Avitinib maleate也是一种BTK抑制剂,能够诱导套细胞淋巴瘤中的细胞凋亡并抑制BTK的磷酸化[2]。Avitinib maleate通常用于非小细胞肺癌(NSCLC)和急性髓系白血病(AML)的研究[3][4]。
在体外实验中,Avitinib maleate(2.5和5μM;12天)损害CD34+ HSC来源的MK祖细胞的CFU-MK的形成并抑制细胞增殖[5]。
在体内实验中,Avitinib maleate(30mg/kg/天;口服;连续7天)预处理可抑制大鼠CYP450酶的代谢活性,显著增加探针底物苯乙酸、布普品和右美沙芬的AUC(0-∞)[6]。Avitinib maleate(30mg/kg/天;口服;连续7天)可抑制奥希替尼的代谢活性,显著增加奥希替尼的AUC和MRT,同时降低CLz/F[7]。
















