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Related Concept Videos

Inhaled Medications01:23

Inhaled Medications

361
Inhaled medications are crucial for managing chronic obstructive pulmonary disease (COPD) and asthma. They are essential for effective treatment and control, ensuring optimal respiratory health and well-being. Inhaled medication delivers drugs directly to the lungs, providing a rapid onset of action and reducing systemic side effects compared to oral or injectable medications. Three primary types of inhalation devices are used to administer these medications: nebulizers, metered-dose inhalers...
361

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Polymeric Nanoparticles for Inhaled Vaccines.

Nusaiba K Al-Nemrawi1, Ruba S Darweesh1, Lubna A Al-Shriem1

  • 1Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan.

Polymers
|October 27, 2022
PubMed
Summary

Polymeric nanoparticles (PNPs) offer a needle-free method for inhaled vaccine delivery, enhancing immunity. This review explores PNPs like chitosan and PLGA, their adjuvant properties, and challenges for pulmonary vaccine development.

Keywords:
immunizationinhaled vaccinenanoparticlespolymericvaccine

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Area of Science:

  • Pharmaceutical Sciences
  • Biotechnology
  • Immunology

Background:

  • Pulmonary vaccine delivery offers a needle-free, safe, and effective alternative to traditional methods.
  • Inhaled vaccines can induce both systemic and mucosal immunity, but face limitations.
  • Polymeric nanoparticles (PNPs) show promise in overcoming these limitations for inhaled vaccine applications.

Purpose of the Study:

  • To review the application of PNPs, specifically chitosan and PLGA, for pulmonary vaccine delivery.
  • To highlight the inherent adjuvant properties of PNPs that enhance immunogenicity.
  • To discuss factors influencing PNP behavior in vivo and challenges in their development.

Main Methods:

  • Literature review focusing on polymeric nanoparticles for pulmonary vaccine delivery.
  • Analysis of PNP properties, including size, morphology, and charge, and their in vivo impact.
  • Examination of formulation, device, patient, and scale-up challenges.

Main Results:

  • PNPs, particularly chitosan and PLGA, are effective carriers for inhaled vaccines.
  • PNPs possess intrinsic adjuvant capabilities, stimulating cellular and humoral immune responses.
  • Key variables like size, morphology, and charge significantly affect PNP performance in vivo.

Conclusions:

  • PNPs are a promising strategy for advancing pulmonary vaccine delivery systems.
  • Addressing formulation stability, reproducibility, and scale-up are crucial for clinical translation.
  • Defining critical PNP parameters is essential for successful pulmonary delivery applications.