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An overview on spray-drying of protein-loaded polymeric nanoparticles for dry powder inhalation
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Orientador(es)
Resumo(s)
The delivery of therapeutic proteins remains a challenge, despite recent technological advances. While the delivery of proteins to the lungs is the gold standard for topical and systemic therapy through the lungs, the issue still exists. While pulmonary delivery is highly attractive due to its non-invasive nature, large surface area, possibility of topical and systemic administration, and rapid absorption circumventing the first-pass effect, the absorption of therapeutic proteins is still ineffective, largely due to the immunological and physicochemical barriers of the lungs. Most studies using spray-drying for the nanoencapsulation of drugs focus on the delivery of conventional drugs, which are less susceptible to bioactivity loss, compared to proteins. Herein, the development of polymeric nanoparticles by spray-drying for the delivery of therapeutic proteins is reviewed with an emphasis on its advantages and challenges, and the techniques to evaluate their in vitro and in vivo performance. The protein stability within the carrier and the features of the carrier are properly addressed.
Descrição
Palavras-chave
Protein delivery Polymeric nanoparticle Particle deposition Bronchi Lung Pulmonary delivery Inhalation Atomization Spray-drying Dry powder
Contexto Educativo
Citação
Editora
MDPI