Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal progressive and irreversible ailment associated with the proliferation of fibroblast and accumulation of extracellular matrix (ECM) with gradual scarring of lung tissue. Despite several research studies, the treatments available are not efficient enough for the reversal of the disease and are constantly in progress. No drugs other than Pirfenidone and Nintedanib have been approved for the treatment of IPF, necessitating the exploration of novel therapeutic strategies. Recently, lipid-based nanoparticles (LNPs) have drawn more attention because of their potential to enhance the solubility of drugs, cross biological barriers of the lungs and specifically target lung fibrotic tissues, overcoming various challenges in treating IPF. LNPs offer a versatile platform to encapsulate a wide range of drugs, both hydrophilic and lipophilic, improving their bioavailability, allowing sustained release and reducing toxicity, which radiates their significant role in addressing the complexities of IPF. This review summarizes the pathogenesis and conventional treatment of idiopathic pulmonary fibrosis, along with their drawbacks. The review focuses on different types of lipid-based nanoparticles that have been tested in the treatment of idiopathic pulmonary fibrosis, including nanoemulsions, liposomes, solid lipid nanoparticles, nanostructured lipid carriers, niosomes and lipid-polymer hybrid nanoparticles. The review also highlights the future prospects that can offer a potential approach for developing novel strategies to treat idiopathic pulmonary fibrosis.
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