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Multidimensional Methods for the Formulation of Bipharmaceuticals and Vaccines
Maddux, Nathaniel R. Joshi, Sangeeta B. Volkin, David B. Ralston, John P. Middaugh, C. Russell
Maddux, Nathaniel R.
Joshi, Sangeeta B.
Volkin, David B.
Ralston, John P.
Middaugh, C. Russell
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Abstract
Determining and preserving the higher order structural integrity and conformational stability of proteins, plasmid DNA and macromolecular complexes such as viruses, virus-like particles and adjuvanted antigens is often a significant barrier to the successful stabilization and formulation of biopharmaceutical drugs and vaccines. These properties typically must be investigated with multiple lower resolution experimental methods, since each technique monitors only a narrow aspect of the overall conformational state of a macromolecular system. This review describes the use of empirical phase diagrams (EPDs) to combine large amounts of data from multiple high-throughput instruments and construct a map of a target macromolecule's physical state as a function of temperature, solvent conditions, and other stress variables. We present a tutorial on the mathematical methodology, an overview of some of the experimental methods typically used, and examples of some of the previous major formulation applications. We also explore novel applications of EPDs including potential new mathematical approaches as well as possible new biopharmaceutical applications such as analytical comparability, chemical stability, and protein dynamics.
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Date
2011-10
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Publisher
Elsevier
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Research Projects
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Keywords
Phase diagrams, Formulation, Stability, Protein, Monoclonal Antibodies, Plasmid DNA, Vaccines, Circular dichroism, Fluorescence, Calorimetry, Light scattering
Citation
Maddux, N. R., Joshi, S. B., Volkin, D. B., Ralston, J. P., & Middaugh, C. R. (2011). Multidimensional Methods for the Formulation of Biopharmaceuticals and Vaccines. Journal of Pharmaceutical Sciences, 100(10), 4171–4197. http://doi.org/10.1002/jps.22618