期刊
JOURNAL OF PHARMACEUTICAL SCIENCES
卷 98, 期 4, 页码 1246-1277出版社
ELSEVIER SCIENCE INC
DOI: 10.1002/jps.21521
关键词
protein aggregation; biophysical models; physical stability; kinetics; protein formulation
资金
- National Institutes of Health [R01 E8006006]
- Boehringer-Ingelheim Pharmaceuticals
- Pfizer Global RD
- Merck Research Laboratories
Control and prevention of unwanted aggregation for therapeutic proteins is a ubiquitous hurdle during biopharmaceutical product manufacture, storage, shipping, and administration. Methods to predict the relative or absolute rates of aggregation are therefore of great practical interest in biopharmaceutical research and development. Aggregation is often well-described as a multi-stage process involving unfolding or misfolding of free monomers, along with one or more assembly steps to form soluble or insoluble oligomers or higher-molecular-weight species. This report reviews the current state of the art in experimental and practical theoretical approaches that attempt to predict in vitro protein aggregation rates or propensities relevant to pharmaceutical proteins. Most available approaches fall within four primary categories. The principles and assumptions underlying each category are reviewed, along with advantages and limitations in each case. The importance of appropriate experimental techniques and models to probe and quantify the thermodynamics and/or dynamics of multiple steps or stages within the overall aggregation process is stressed. The primary focus is on aggregation in solution, relevant to parenteral dosage forms. Additional challenges are briefly reviewed. (C) 2008 Wiley-Liss, Inc. and the American Pharmacists Association J Pharm Sci 98:1246-1277, 2009
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