4.5 Article

Protein-Polydimethylsiloxane Particles in Liquid Vial Monoclonal Antibody Formulations Containing Poloxamer 188

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JOURNAL OF PHARMACEUTICAL SCIENCES
卷 109, 期 8, 页码 2393-2404

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ELSEVIER SCIENCE INC
DOI: 10.1016/j.xphs.2020.03.010

关键词

Surfactants; Monoclonal antibody; Protein formulation; Stability; Silicone oil; Protein aggregation; Infrared (IR) spectroscopy

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Surfactants play an important role in stabilizing proteins in liquid formulations against aggregate/particle formation during processing, handling, storage, and transportation. Only 3 surfactants are currently used in marketed therapeutic protein formulations: polysorbate 20, polysorbate 80, and poloxamer 188. While polysorbates are the most widely used surfactants, their intrinsic oxidative and hydrolytic degradation issues highlights the importance of alternative surfactants such as poloxamer 188. Here, we compare polysorbates and poloxamer 188 with regards to their stabilizing properties under various stress and storage conditions for several monoclonal antibody formulations. Our data shows that poloxamer 188 can provide suitable protection of monoclonal antibodies against interfacial stress in liquid formulations in vials. However, visible protein-polydimethylsiloxane (PDMS; silicone oil) particles were observed in vials after long-term storage at 2-8 degrees C for some protein formulations using poloxamer 188, which were not observed in polysorbate formulations. The occurrence of these protein-PDMS particles in poloxamer 188 formulations is a protein-specific phenomenon that may correlate with protein physico-chemical properties. In this study, the primary source of the PDMS in particles found in vials was considered to be from the primary packaging stoppers used. Our findings highlight benefits, but also risks associated with using poloxamer 188 in liquid biotherapeutic formulations. (c) 2020 The Authors. Published by Elsevier Inc. on behalf of the American Pharmacists Association (R). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/ 4.0/).

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