Palazestrant (OP-1250) 是一种抗雌激素和抗肿瘤试剂。Palazestrant 完全抑制 17b-estradiol (E2) 的活性,IC50 值为 6.4 nM,抑制 MCF7 和 CAMA-1 细胞增殖的 IC50 值为 1.4-1.6 nM。 Palazestrant 可抑制 ER+/HER2+ 癌症。;Palazestrant is an antiestrogen and antineoplastic agent. Palazestrant can completely inhibit the activity of 17b-estradiol (E2) with IC50 value of 6.4 nM, and inhibit the proliferation of MCF7 and CAMA-1 cells with IC50 value of 1.4-1.6 nM. Palazestrant can inhibit ER+/HER2+ cancer