AbbVie Inc.
SELECTIVE REDUCTION OF ANTIBODIES

Abstract:

The present disclosure provides methods for selectively reducing an antibody, comprising contacting the antibody with a reducing agent selected from the group consisting of 2-[2-(Diphenylphosphino)ethyl]pyridine, 3-(Diphenylphosphino)benzenesulfonic acid, 4-(Diphenylphosphino)benzoic acid, 2-(Diphenylphosphino)ethylamine, 3-(diphenylphosphino)propylamine, 3-(Diphenylphosphino)propionic acid, 2-(diisopropylphosphino)ethylamine, 2-(diphenylphosphino)benzoic acid, (2-hydroxyphenyl)diphenylphosphine, and salts thereof. The present disclosure further provides methods of producing antibody conjugates, such as antibody-drug conjugates.