Synthesis and Evaluation of Airway-Targeted PLGA-PEG Nanoparticles for Drug Delivery in Obstructive Lung Diseases.

Methods in Molecular Biology
Neeraj Vij

Abstract

Chronic airway inflammation is a hallmark of chronic obstructive airway diseases, including chronic obstructive pulmonary disease (COPD), cystic fibrosis (CF), and asthma. Airway inflammation and mucus obstruction present major challenges to drug or gene delivery and therapeutic efficacy of nano-based carriers in these chronic obstructive airway conditions. To achieve targeted drug delivery of NPs to the diseased cells, NPs need to bypass the obstructive airway and circumvent the airway's defense mechanisms. Although there has been increasing interest and significant progress in development of NPs for targeting cancer, relatively little progress has been made towards designing novel systems for targeted treatment of chronic inflammatory and obstructive airway conditions. Hence, we describe here methods for preparing drug loaded multifunctional nanoparticles for targeted delivery to specific airway cell types in obstructive lung diseases. The formulations and methods for selective drug delivery in the treatment of chronic airway conditions such as COPD, CF, and asthma have been evaluated using a variety of preclinical models by our laboratory and currently ongoing further clinical development for translation from bench to bedside.

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