METHOD FOR PURIFYING CYS-LINKED ANTIBODY-DRUG CONJUGATES

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 usi...

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Bibliographische Detailangaben
Hauptverfasser:	COUMANS, RUDY GERARDUS ELISABETH, VERSTEGEN, RUUD MARTIN, ROO DE, GUY
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PEPTIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	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.