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Advertisement

Contemporary Trends in Biopharmaceutical Analysis

May 1, 2017
By Koen Sandra
Article

LCGC Europe

LCGC EuropeLCGC Europe-05-01-2017
Volume 30
Issue 5
Pages: 246

The HPLC symposium series is recognized as “the forum” where new developments in liquid phase separations and their hyphenation to mass spectrometry (MS) for the analysis of (bio)pharmaceutical compounds and their metabolites are presented.

The HPLC symposium series is recognized as “the forum” where new developments in liquid phase separations and their hyphenation to mass spectrometry (MS) for the analysis of (bio)pharmaceutical compounds and their metabolites are presented. 

At HPLC 2016 in San Francisco, four lecture sessions were dedicated to biopharmaceutical analysis and one session to pharmaceutical analysis. The lecture sessions were accompanied by three extensive poster sessions. At HPLC 2017 this tradition will continue and dedicated lecture and poster sessions will be organized under the umbrella of recent advances in (bio)pharmaceuticals and pharmaceutical analysis. These topics will also be discussed in the sessions related to multidimensional chromatography and MS coupling and to electromigration techniques.

Biopharmaceuticals are becoming a core aspect of the pharmaceutical industry and it is therefore logical that the characterization of the huge and complex structures of these drugs will be a highlight at HPLC 2017. The sessions will cover chromatographic, electrophoretic, and mass spectrometric developments for the characterization of peptides, recombinant proteins, monoclonal antibodies and next-generation formats, such as bispecific mAbs (bsmAbs), antibody–drugs conjugates (ADCs), antibody mixtures, antibody fragments (nanobodies, Fab), Fc fusion proteins, and brain penetrant mAbs in addition to glyco‑engineered formats. As a result of the patents of top‑selling mAbs expiring or due to expire soon, an explosion of biosimilar (generic) activities has been observed in recent years. The analytical methods have therefore to embrace comparability assessment for originators and biosimilars.

For a detailed characterization and comparability assessment of the complex and heterogeneous protein biopharmaceuticals (a small drug, such as ibuprofen, contains 33 atoms, a mAb contains over 20,000 atoms!), the complete analytical toolbox has to be opened to determine characteristics, such as amino acid sequence and composition, molecular weight, N- and O-glycosylation, N- and C-terminal processing, S–S bridges, free cysteine residues, deamidation, aspartate isomerization, oxidation, clipping, and sequence variants. Moreover, for the very promising ADCs, one also needs to reveal critical quality attributes such as drug-to-antibody ratio (DAR), drug distribution, and conjugation sites. 

Several lectures and posters will deal with these determinations and the complete liquid chromatography (LC), capillary electrophoresis (CE), and MS portfolios are applied, including the main chromatographic techniques affinity chromatography (AC), ion exchange chromatography (IEX), reversed-phase LC, hydrophobic interaction chromatography (HIC), hydrophilic interaction liquid chromatography (HILIC), and the electrophoretic techniques capillary zone electrophoresis (CZE), capillary gel electrophoresis (CGE), and capillary iso‑electrophoretic focusing (CIEF). 

One of the more recent innovations in LC, 2D LC, in the (multiple) heart-cutting mode (LC–LC) or comprehensive mode (LC×LC) is also being more commonly applied in practice to characterize biopharmaceuticals at both the protein and the peptide level. The features of 2D LC will be discussed and illustrated with detailed analysis of mAbs and ADCs. It is expected that applications of 2D LC in the analysis of host-cell proteins and the determination of pharmacokinetic properties will be demonstrated as well. For neophytes in the field of 2D LC, a short course on the fundamentals and applications of 2D LC will be organized on 18 June 2017 with instructors Peter Schoenmakers and Dwight Stoll. 

In state-of-the-art biopharmaceutical analysis, hyphenation of the separation tools with mass spectrometry is indispensable and applications using high resolution (HR)MS, MS/MS, and ion-mobility spectrometry (IMS) with the most recently introduced instrumentation will be presented. 

Instrument and column manufacturers are also active participants at the HPLC meetings and new tools to successfully analyze (bio)pharmaceuticals and drug metabolites will be shown at the HPLC 2017 exhibition and discussed in company seminars or the scientific lectures and poster programmes.

Koen Sandra, Research Institute for Chromatography, Kortrijk, Belgium.

Articles in this issue

Supp Figure 1.jpg
Supplementary Information: Combining HIC, SEC, and IEX with Fluorescence Polarization for Drug Target Discovery
figure 1-1.png
Combining HIC, SEC, and IEX with Fluorescence Polarization for Drug Target Discovery
Gert Desmet.jpg
(U)HPLC: The Shape of Things To Come
Liebisch Gerhard.jpg
The Role of LC–MS in Lipidomics
Koen Sandra pic.jpg
Contemporary Trends in Biopharmaceutical Analysis
Milos Novotny.jpg
Advances in Glycomics in Biology and Medicine
Imma Ferrer.jpg
UHPLC Coupled with Accurate Mass and High Resolution Mass Spectrometry for Complex Environmental Analyses
Peter Schoenmakers.jpg
The Rising Profile of Comprehensive 2D LC
Kasicka.jpg
Affinity Capillary Electrophoresis— A Powerful Tool to Investigate Biomolecular Interactions
figure 1 .png
Count the Cost, Part 3: Increasing Resolution by Changing Selectivity
table 1.png
New Gas Chromatography Products for 2016–2017
figure 1 L.png
The Benefits of Coupling Miniaturized Comprehensive 2D LC with Hybrid High-Resolution Mass Spectrometry
HPTLC.jpg
International Symposium for High-Performance Thin-Layer Chromatography (HPTLC 2017)
Vol 30 No 5 LCGC Europe May 2017 Regular Issue PDF
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