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    Intranasal and Pulmonary Lipid Nanoparticles for Gene Delivery: Turning Challenges into Opportunities

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    IJN-517385-intranasal-and-pulmonary-lipid-nanoparticles-for-gene-delive.pdf (1.769Mb)
    Date
    2025
    Author
    Tayyar, Yaman
    Idris, Adi
    Yassine, Hadi M.
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    Abstract
    Delivery of nano-therapeutics through the nasal route offers a promising approach for several applications, including intranasal conditions, pulmonary delivery, brain targeting, and vaccination. Despite its potential, this method faces significant challenges, including overcoming the mucosal barrier, ensuring consistent absorption, controlling the deposition area, and managing immunogenic responses. This review provides a comprehensive overview of the current state of nasally delivered lipid nanoparticles (LNPs) for gene medicine, focusing on the specific barriers encountered in this delivery route and strategies to overcome them. We examine how formulation composition affects stability during aerosolization, analyze the impact of particle characteristics on mucociliary clearance, and evaluate interactions with the lung surfactant layer. The review also compares delivery devices including metered-dose inhalers, dry powder inhalers, and nebulizers, highlighting how device selection influences LNP integrity and deposition patterns. Furthermore, we explore potential safety considerations with intranasal LNPs and propose approaches to mitigate adverse effects. By addressing these challenges with evidence-based strategies, this review aims to advance the development and clinical application of intranasal and pulmonary LNP delivery systems for gene-based therapeutics and vaccines.
    DOI/handle
    http://dx.doi.org/10.2147/IJN.S517385
    http://hdl.handle.net/10576/67598
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