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Open AccessArticle

Improvement of the Firocoxib Dissolution Performance Using Electrospun Fibers Obtained from Different Polymer/Surfactant Associations

1
Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy
2
Department of Chemistry, Physical-Chemistry Section, University of Pavia, Via Taramelli 16, 27100 Pavia, Italy
3
Cosma S.P.A., Via Colleoni 15/17, 24040 Ciserano, Italy
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2019, 20(12), 3084; https://doi.org/10.3390/ijms20123084
Received: 20 May 2019 / Revised: 19 June 2019 / Accepted: 22 June 2019 / Published: 24 June 2019
An electrospinning process was optimized to produce fibers of micrometric size with different combinations of polymeric and surfactant materials to promote the dissolution rate of an insoluble drug: firocoxib. Scanning Electron Microscopy (SEM) showed that only some combinations of the proposed carrier systems allowed the production of suitable fibers and further fine optimization of the technique is also needed to load the drug. Differential scanning calorimetry (DSC) and X-ray powder diffraction (XRPD) suggest that the drug is in an amorphous state in the final product. Drug amorphization, the fine dispersion of the active in the carriers, and the large surface area exposed to water interaction obtained through the electrospinning process can explain the remarkable improvement in the dissolution performance of firocoxib from the final product developed. View Full-Text
Keywords: polymeric fibers; surfactant; electrospinning; dissolution rate; veterinary drug; poorly soluble drug polymeric fibers; surfactant; electrospinning; dissolution rate; veterinary drug; poorly soluble drug
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MDPI and ACS Style

Maggi, L.; Friuli, V.; Chiesa, E.; Pisani, S.; Sakaj, M.; Celestini, P.; Bruni, G. Improvement of the Firocoxib Dissolution Performance Using Electrospun Fibers Obtained from Different Polymer/Surfactant Associations. Int. J. Mol. Sci. 2019, 20, 3084.

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