Adv Pharm Bull. 2022;12(2): 346-355.
doi: 10.34172/apb.2022.033
  Abstract View: 360
  PDF Download: 213

Research Article

Preparation of Azithromycin Nanofibers as Controlled Release Ophthalmic Drug Carriers Using Electrospinning Technique: In Vitro and In Vivo Characterization

Shiva Taghe 1,2 ORCID logo, Saba Mehrandish 3 ORCID logo, Shahla Mirzaeei 1,2* ORCID logo

1 Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
2 Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
3 Research and Development Department, Rahesh Daru Novin Inc., Kermanshah University of Medical Sciences, Kermanshah, Iran.
*Corresponding Author: Shahla Mirzaeei, Tel: +98-8334276489, Emails: smirzaeei@kums.ac.ir, shahlamirzaeei@gmail.com


Purpose: Conventional topical dosage forms face with some challenges like low intraocularbioavailability, which could be overcome by application of novel drug delivery systems.Therefore, this study was conducted to prepare azithromycin (AZM)-loaded chitosan/polyvinylalcohol/polyvinyl pyrrolidone (CS/PVA-PVP) nanofibers with the prolonged antibacterialactivity by electrospinning method.Methods: After preparation of nanofibers, they were characterized in terms of physicochemicaland morphological properties. In vitro and in vivo release of the drug from nanofibers wereevaluated using microbial assay against the Micrococcus luteus. Antibacterial efficacy of thenanofibers was assessed. The ophthalmic irritation test was also performed. MTT test wascarried out to evaluate cytotoxicity of the formulations.Results: All the formulations were found to be stable with uniform thickness, weight, and drugcontent. Nanofibers had a diameter range from 119 ± 29 to 171 ± 39 nm. The inserts were nonirritantand non-toxic to the rabbits’ eye. Based on the obtained results, the crosslinked AZMnanofibers showed slower and more controlled drug release in tear fluid compared to the noncrosslinkedones, within 184 hours.Conclusion: Our results revealed that the prepared nanofibers could be considered as suitableand non-invasive inserts for the prolonged ophthalmic delivery of AZM.
Keywords: Azithromycin, Chitosan, Controlled release, Microbial assay, Nanofibers, Ophthalmic drug delivery

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Abstract View: 361

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Submitted: 12 Oct 2020
Revision: 18 Feb 2021
Accepted: 28 May 2021
ePublished: 29 May 2021
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