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Solid-State Hydrogen Deuterium Exchange with Mass Spectrometric Analysis (ssHDX-MS):
A new analytical method to accelerate the development of lyophilized protein drug products and processes.

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Elizabeth (Liz) Topp is a professor in the Department of Industrial and Physical Pharmacy. She holds a bachelor’s degree in chemical engineering from the University of Delaware, a master’s degree in chemical and biochemical engineering from the University of Pennsylvania, and a Ph.D. in pharmaceutics from the University of Michigan. Her research is concerned with the stability and formulation of protein drugs, with particular emphasis on lyophilized solids.
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WEBINAR DESCRIPTION: The development of lyophilized protein drug products, and of the lyophilization processes that produce them, depends on time-consuming shelf-stability studies to assure product quality. These studies can take months to years to complete. Our group has developed ssHDX-MS to measure protein structure and matrix interactions in lyophilized solids with high resolution. Recently, we have shown that ssHDX-MS results are highly correlated with shelf-stability for a monoclonal antibody. In addition, we have shown that ssHDX-MS is sensitive to both process and formulation differences  that are not detected by other methods. Since ssHDX-MS studies can be completed in weeks rather than months or years, the method shows promise as a surrogate for stability studies in developing lyophilized protein drug products and processes. This webinar will describe the ssHDX-MS method and summarize our results.
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​LyoHUB, an industry consortium to advance lyophilization technology, will also be presented briefly.


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Hudson Valley/Lyomac
793 Route 66
Hudson, NY 12534 USA
  • Pharmaceutical
  • COVID-19
  • Laboratory
  • Dual Condenser
  • About Us
  • Contact
  • Quality In Freeze Drying
  • Industrial Freeze Dryers
  • Quantifying Vial Capping Process - Webinar
  • Complex Injectables - Webinar
  • Deuterium Exchange - Webinar
  • Continuous Lyophilization - Webinar
  • Lyophilized Drug Appearances
  • Events
  • Refurbished Freeze Dryers
  • Freeze Dryer Size Calculators
  • Legal