Leveraging rAAV bioprocess understanding and next generation bioanalytics development.

Curr Opin Biotechnol

iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, 2780-901, Portugal; ITQB-NOVA, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. Da República, Oeiras, 2780-157, Portugal. Electronic address:

Published: April 2022

Recombinant adeno-associated (rAAV) vector-based gene therapy has been the focus of intense research driven by the safety profile and several recent clinical breakthroughs. As of April 2021, there are two rAAV-based gene therapies approved and more than two-hundred active clinical trials (approximately thirty in Phase III). However, the expected increase in demand for rAAV vectors still poses several challenges. Discussed herein are key aspects related to R&D needs and Chemistry, Manufacturing and Control (CMC) efforts required to attend this growing demand. Authors provide their perspective on strategic topics for rAAV-based therapies success: scalability and productivity; improved safety; increased process understanding combined with development of orthogonal bioanalytics that are able to identify, monitor and control Critical Quality Attributes (CQAs) during bioprocessing.

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http://dx.doi.org/10.1016/j.copbio.2021.12.009DOI Listing

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