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64144

Parallel Session 3: Lifecycle Approaches to Potency Assay Selection

Date
June 27, 2023
This product is not available for individual purchase, but it is available as part of the following products:
Thumbnail for CGTP Summit 2023 / Cell and Gene Therapy Products Symposium 2023
The Cell and Gene Therapy Products (CGTP) Symposium: Manufacturing, Quality and Regulatory Considerations enables the exchange of scientific ideas and dialogue with regulators that form the basis of evolving regulatory practices in the development of these diverse and innovative products…

Potency testing is a critical part of the assessment and release of cell therapy products. These functional assays provide quantitative assessments of the biological activity of a cell or gene therapy product that are associated with that product’s in vivo mechanism(s) of action (MOA). Current state-of-the-art analytical methods still rely mainly on in vitro assays including immune-assays, cell-based proliferation, cytokine release as well as cytotoxicity assays and involve complex technology such as flow cytometry. In some cases, these assays may lack the required robustness, simplicity, sensitivity and/or throughput required to function well in the QC GMP environment.   In other cases these assays reflect an average measurement that represents the entirety of a sample and do not provide information regarding the function associated with individual cell phenotypes. Next generation potency assays are needed which are easy to use, robust and provide a more comprehensive evaluation of the quality attributes of the Drug Substance (i.e. Viral Vector, plasmid) and Drug Product.   




This session will involve case studies highlighting innovative approaches being used to develop potency assays in support of programs from early phase to late phase and commercialization. Assay design strategies focused on reflecting a cell therapy product’s complex MOA, while balancing this with attributes that are important for a method to function effectively to perform QC release and stability testing will also be included. Points to consider for critical reagents used to support potency assays for cell/gene products as well as viral vector will also be discussed.




Session Speakers:




Rethink the Potency Paradigm for Gene Therapy Products 

Xiaohui Lu, Ultragenyx




Success Story: Luxturna Potency Assay Development to Validation 

Ravindra Kumar, Spark Therapeutics




Unleashing the Power: Assessing CAR T Cell Therapy Potency and Maximizing Life Cycle Management 

Seema Bansal, Bristol-Myers Squibb




Additional Panelists:




Andrew Byrnes, CBER, FDA

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