Article ; Online: Protein Aggregates in Inhaled Biologics: Challenges and Considerations.
Journal of pharmaceutical sciences
2023 Volume 112, Issue 5, Page(s) 1341–1344
Abstract: Pulmonary delivery is the main route of administration for treatment of local lung diseases. Recently, the interest in delivery of proteins through the pulmonary route for treatment of lung diseases has significantly increased, especially after Covid-19 ... ...
| Abstract | Pulmonary delivery is the main route of administration for treatment of local lung diseases. Recently, the interest in delivery of proteins through the pulmonary route for treatment of lung diseases has significantly increased, especially after Covid-19 pandemic. The development of an inhalable protein combines the challenges of inhaled as well as biologic products since protein stability may be compromised during manufacture or delivery. For instance, spray drying is the most common technology for manufacture of inhalable biological particles, however, it imposes shear and thermal stresses which may cause protein unfolding and aggregation post drying. Therefore, protein aggregation should be evaluated for inhaled biologics as it could impact the safety and/or efficacy of the product. While there is extensive knowledge and regulatory guidance on acceptable limits of particles, which inherently include insoluble protein aggregates, in injectable proteins, there is no comparable knowledge for inhaled ones. Moreover, the poor correlation between in vitro setup for analytical testing and the in vivo lung environment limits the predictability of protein aggregation post inhalation. Thus, the purpose of this article is to highlight the major challenges facing the development of inhaled proteins compared to parenteral ones, and to share future thoughts to resolve them. |
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| MeSH term(s) | Humans ; Protein Aggregates ; Pandemics ; COVID-19 ; Administration, Inhalation ; Biological Products ; Powders ; Particle Size ; Dry Powder Inhalers ; Respiratory Aerosols and Droplets |
| Chemical Substances | Protein Aggregates ; Biological Products ; Powders |
| Language | English |
| Publishing date | 2023-02-14 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 3151-3 |
| ISSN | 1520-6017 ; 0022-3549 |
| ISSN (online) | 1520-6017 |
| ISSN | 0022-3549 |
| DOI | 10.1016/j.xphs.2023.02.010 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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