Chitosan-alginate nano-carrier for transdermal delivery of pirfenidone in idiopathic pulmonary fibrosis
2018
Abnoos, Marzieh | Mohseni, Mojdeh | Mousavi, Seyed Ali Javad | Ashtari, Khadijeh | Ilka, Roya | Mehravi, Bita
Pirfenidone (PFD) is one of the pyridine family components with anti-inflammatory, antifibrotic effects and US FDA approved for the treatment of idiopathic pulmonary fibrosis (IPF). Presently, PFD is administered orally and this has setbacks. Hence, it is important to eliminate the pharmacotherapeutic limitations of PFD. This research was carried out to study the possibility of transdermal delivery of PFD using chitosan-sodium alginate nanogel carriers. In order to synthesize chitosan-sodium alginate nanoparticles loaded with PFD, the pre-gelation method was used. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), dynamic light scattering (DLS), and Fourier-transform infrared spectroscopy (FTIR) analyses were used for the characterization. Drug encapsulation and release manner were studied using UV spectroscopy. Ex vivo permeation examinations were performed using Franz diffusion cell and fluorescence microscopy. The results showed that nanoparticles having spherical morphology and size in the range of 80 nm were obtained. In vitro drug release profile represents sustained release during 24 h, while 50% and 94% are the loading capacity and efficiency, respectively. Also, the skin penetration of PFD loaded in nanoparticles was significantly increased as compared to PFD solution. The obtained results showed that synthesized nanoparticles can be considered as promising carriers for PFD delivery.
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