申请人:SYNTHON BIOPHARMACEUTICALS B.V.
公开号:US10266606B2
公开(公告)日:2019-04-23
The present invention relates to a method for purifying a mixture of cysteine-linked antibody-drug conjugates, wherein the amount of non-conjugated antibody is in the range of 0-40% by weight, using hydrophobic interaction chromatography (HIC). The mixture is loaded onto a preparative HIC column using a 0.2-1.5 M aqueous salt solution, in which non-conjugated antibody is collected in a flow-through fraction, followed by elution of a purified mixture of cysteine-linked antibody-drug conjugates using a 0-100 mM aqueous salt solution.
本发明涉及一种利用疏水相互作用色谱法(HIC)纯化半胱氨酸连接抗体-药物共轭物混合物的方法,其中非结合抗体的量按重量计在 0-40% 的范围内。使用 0.2-1.5 M 的水盐溶液将混合物装载到制备型疏水相互作用色谱柱上,在流过部分收集非结合抗体,然后使用 0-100 mM 的水盐溶液洗脱纯化的半胱氨酸连接抗体-药物共轭物混合物。