Continuous crystallization as a downstream processing step of pharmaceutical proteins : a review

Continuous crystallization has been proposed as the downstream processing step for the purification of pharmaceutical proteins aimed at alleviating the manufacturing bottleneck caused by the limitations of chromatography-based operations at high upstream production titers. Herein we reviewed the cur...

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Main Authors: Pu, Siyu, Hadinoto, Kunn
Other Authors: School of Chemical and Biomedical Engineering
Format: Journal Article
Language:English
Published: 2022
Subjects:
Online Access:https://hdl.handle.net/10356/155138
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author Pu, Siyu
Hadinoto, Kunn
author2 School of Chemical and Biomedical Engineering
author_facet School of Chemical and Biomedical Engineering
Pu, Siyu
Hadinoto, Kunn
author_sort Pu, Siyu
collection NTU
description Continuous crystallization has been proposed as the downstream processing step for the purification of pharmaceutical proteins aimed at alleviating the manufacturing bottleneck caused by the limitations of chromatography-based operations at high upstream production titers. Herein we reviewed the current state of research in continuous protein crystallization from which future research directions were identified. While the benefits of batch-to-continuous manufacturing transformation have been long established, progress in continuous protein crystallization lags behind its small-molecule counterpart. The reasons are because the challenging nature of protein crystallization, even when performed in the batch platform, and the lack of well-understood proteins available for thorough study. Nevertheless, successful batch-to-continuous transformations in both mixed-suspension-mixed-product-removal crystallizer and tubular crystallizers (i.e. slug flow, oscillatory baffled flow) have been demonstrated using lysozyme or monoclonal antibody as the model protein. Compared to the batch platform, the continuous platform produces comparable crystallization yield but with higher production capacity (g/h). Strategies to optimize the crystallizer's performance based on modeling and simulation results are also available. Future research should (1) study a wider range of proteins with impurities incorporated in the raw material streams, and (2) adopt advancements in continuous crystallization of small-molecule pharmaceuticals to improve the crystal quality and yield.
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spelling ntu-10356/1551382022-02-14T05:05:53Z Continuous crystallization as a downstream processing step of pharmaceutical proteins : a review Pu, Siyu Hadinoto, Kunn School of Chemical and Biomedical Engineering Engineering::Bioengineering Biopharmaceuticals Biologics Continuous crystallization has been proposed as the downstream processing step for the purification of pharmaceutical proteins aimed at alleviating the manufacturing bottleneck caused by the limitations of chromatography-based operations at high upstream production titers. Herein we reviewed the current state of research in continuous protein crystallization from which future research directions were identified. While the benefits of batch-to-continuous manufacturing transformation have been long established, progress in continuous protein crystallization lags behind its small-molecule counterpart. The reasons are because the challenging nature of protein crystallization, even when performed in the batch platform, and the lack of well-understood proteins available for thorough study. Nevertheless, successful batch-to-continuous transformations in both mixed-suspension-mixed-product-removal crystallizer and tubular crystallizers (i.e. slug flow, oscillatory baffled flow) have been demonstrated using lysozyme or monoclonal antibody as the model protein. Compared to the batch platform, the continuous platform produces comparable crystallization yield but with higher production capacity (g/h). Strategies to optimize the crystallizer's performance based on modeling and simulation results are also available. Future research should (1) study a wider range of proteins with impurities incorporated in the raw material streams, and (2) adopt advancements in continuous crystallization of small-molecule pharmaceuticals to improve the crystal quality and yield. Ministry of Education (MOE) The authors would like to thank the Ministry of Education Singapore for funding this work (Grant No. RG7/17 PI: Kunn Hadinoto Ong). 2022-02-14T05:05:53Z 2022-02-14T05:05:53Z 2020 Journal Article Pu, S. & Hadinoto, K. (2020). Continuous crystallization as a downstream processing step of pharmaceutical proteins : a review. Chemical Engineering Research and Design, 160, 89-104. https://dx.doi.org/10.1016/j.cherd.2020.05.004 0263-8762 https://hdl.handle.net/10356/155138 10.1016/j.cherd.2020.05.004 2-s2.0-85086463378 160 89 104 en RG7/17 Chemical Engineering Research and Design © 2020 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
spellingShingle Engineering::Bioengineering
Biopharmaceuticals
Biologics
Pu, Siyu
Hadinoto, Kunn
Continuous crystallization as a downstream processing step of pharmaceutical proteins : a review
title Continuous crystallization as a downstream processing step of pharmaceutical proteins : a review
title_full Continuous crystallization as a downstream processing step of pharmaceutical proteins : a review
title_fullStr Continuous crystallization as a downstream processing step of pharmaceutical proteins : a review
title_full_unstemmed Continuous crystallization as a downstream processing step of pharmaceutical proteins : a review
title_short Continuous crystallization as a downstream processing step of pharmaceutical proteins : a review
title_sort continuous crystallization as a downstream processing step of pharmaceutical proteins a review
topic Engineering::Bioengineering
Biopharmaceuticals
Biologics
url https://hdl.handle.net/10356/155138
work_keys_str_mv AT pusiyu continuouscrystallizationasadownstreamprocessingstepofpharmaceuticalproteinsareview
AT hadinotokunn continuouscrystallizationasadownstreamprocessingstepofpharmaceuticalproteinsareview