1. Figure 1 Overview of biosimilar product development
Figure 1 | Overview of biosimilar product development. Biosimilar product development should start with searches of publicly available information on the reference product, its target and the known biology. The protein structure, post-translational modifications and biological activity of the reference product should be analysed by the biosimilar sponsor to determine the product profile. Development of the expression system (expression construct and host cell line) and the manufacturing process should be extensive to provide a firm foundation for demonstration of biosimilarity. If FDA categorization of a proposed biosimilar product of 'highly similar' can be made on the basis of these data early in development, a selective and targeted approach to clinical testing might be possible.
Nikolov, N. P. & Shapiro, M. A. (2016) An FDA perspective on the assessment of proposed biosimilar therapeutic proteins in rheumatology
Nat. Rev. Rheumatol. doi: /nrrheum