Endoxifen hydrochloride

Endoxifen hydrochloride，Tamoxifen的主要活性代谢产物，具备较高的对雌激素受体(estrogen receptor)的亲和力和特异性，并能抑制芳香酶活性。它在乳腺癌研究中表现出潜在应用价值。

SIM010603 is a structurally novel, oral, multi-targeted receptor tyrosine kinase inhibitor. SIM010603 inhibited stem cell factor receptor (Kit), vascular endothelial growth factor receptor-2 (VEGFR-2), platelet-derived growth factor receptor-β (PDGFR-β), glial cell line-derived neurotrophic factor receptor (Rearranged during Transfection; RET), and Fms-like tyrosine kinase-3 (FLT3) with IC(50) values between 5.0 and 68.1 nmol l. SIM010603 inhibited the phosphorylation of PDGFR-β and VEGFR-2. Moreover, SIM010603 inhibited endothelial cell proliferation, endothelial cells chemotaxis, and corneal angiogenesis.

Endoxifen E-isomer hydrochloride (E-Endoxifen hydrochloride) 是 Endoxifen 的 E-异构体，是 Endoxifen Z-isomer 原料中主要的杂质，具有抗雌激素作用。

Endoxifen Z-isomer hydrochloride (Endoxifen HCl) 是Tamoxifen 最重要的代谢产物, 在表达ERα的乳腺癌细胞中发挥抗雌激素作用, Endoxifen HCl 以浓度依赖的方式抑制hERG, IC50值为1.6μM。