Allitinib  (Synonyms: AST-1306; ALS 1306)

Allitinib (AST-1306) is an orally active and irreversible EGFR and ErbB2 inhibitor with IC₅₀s of 0.5 and 3 nM, respectively. Allitinib also inhibits ErbB4 with an IC₅₀ of 0.8 nM. Allitinib is an anilino-quinazoline compound and has anti-cancer activity^[1].

AST1306 (AST-1306; 0.19-6.25 μM; 72 hours) induces a significant, concentration-dependent inhibition of the growth of HIH3T3-EGFR T790M/L858R cells^[1].
AST1306 inhibits the activation of tyrosine kinases and downstream signaling pathways in A549 cells, Calu-3 cells and SK-OV-3 cells. AST1306 dose-dependently and markedly inhibits EGF-induced EGFR phosphorylation in A549 cells^[1].
AST1306 (0.1, 0.5, 1.0, 5.0 μM) can dramatically inhibit the growth of both tumor cells on soft agar, and SK-OV-3 cells exhibited much more sensitivity than that of A549 cells^[1].
AST1306 (0.001-1.0 μM; 4 hours) is more than 3000-fold selective for ErbB family kinases over other kinase families^[1].
AST1306 potently inhibits the EGFR T790M/L858R double mutant, exhibiting an IC₅₀ value of 12 nM^[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

AST1306 (AST-1306; p.o.; 25-100 mg/kg; twice daily; for 28 days) causes a dramatic suppression of tumor growth in SK-OV-3 and Calu-3 xenograft models^[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

448.88

C₂₄H₁₈ClFN₄O₂

897383-62-9

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• [1]. Xie H, Lin L, Tong L et al. AST1306, a novel irreversible inhibitor of the epidermal growth factor receptor 1 and 2, exhibits antitumor activity both in vitro and in vivo. PLoS One. 2011;6(7):e21487.  [Content Brief]