期刊
JOURNAL OF SEPARATION SCIENCE
卷 45, 期 1, 页码 27-37出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.202100575
关键词
Antibody-drug conjugates; drug antibody ratio; purification; site-specific conjugation
资金
- Ajinomoto Co., Inc.
Antibody-drug conjugates have gained attention for their expanded therapeutic index compared to traditional chemotherapies, but their complex structure requires strict control of critical quality attributes during manufacturing. The future landscape of antibody-conjugates field remains to be further explored.
In the past two decades, antibody-drug conjugates have gained increasing attention because they expand the therapeutic index when compared with that of traditional chemotherapies. Antibody-drug conjugates are highly complex structures consisting of antibodies covalently conjugated with small-molecule cytotoxic drugs. The complex structure of antibody-drug conjugates makes chemistry, manufacturing, and control difficult. In contrast to antibody production, distinct purification methods following conjugation of antibodies with drug-linkers are required for the manufacturing. For process development of antibody drug conjugates, the drug-to-antibody ratio, free drug-linkers, and aggregates are critical quality attributes that must be strictly controlled and removed by appropriate purification techniques. In this review, features of various purification methods used to purify antibody drug conjugates are described and evaluated. The future landscape of the antibody-conjugates field is also discussed briefly.
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