Product Introduction
Bioactivity


英文名: AZD9496 maleate

描述: AZD9496 maleate is a highly potent and selective antagonist of the estrogen receptor alpha (ERα), exhibiting an IC50 value of 0.28 nM. This compound, AZD9496 maleate, is an orally bioavailable selective estrogen receptor degrader (SERD).

体外活性: The potency of AZD9496 with IC 50 of 0.82 nM, 0.14 nM, and 0.28 nM in ERα binding, downregulation, and antagonism, respectively. AZD9496 significantly inhibits MCF-7 cell growth with EC 50 of 0.04 nM[1]. Selectivity of AZD9496 over other tested nuclear hormone receptors is high: androgen receptor (AR), IC 50 =30 μM; glucocorticoid receptor (GR), IC 50 =9.2 μM; progesterone receptor (PR), IC 50 =0.54 μM[2].

体内活性: Significant tumor growth inhibition is observed as low as 0.5 mg/kg dose in the estrogen-dependent MCF-7 xenograft model, where this effect is accompanied by a dose-dependent decrease in PR protein levels, demonstrating potent antagonist activity. Combining AZD9496 with PI3K pathway and CDK4/6 inhibitors lead to further growth-inhibitory effects compared with monotherapy alone. AZD9496, given once daily orally at 5 and 25 mg/kg produced statistically significant increases in uterine weight compared with the ICI 182780 control (P<0.001) but significantly lower than ICI 47699 (P=0.001)[1]. AZD9496 is also tested in a long-term estrogen deprived model (LTED), using the HCC-1428 LTED cell line that grows in the absence of estrogen and is thought to best represent a model of aromatase inhibition. AZD9496 shows significant activity, with a dose of 5 mg/kg giving tumor regressions in this model[2].

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

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