Journal
CARBOHYDRATE POLYMERS
Volume 94, Issue 1, Pages 1-11Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2013.01.005
Keywords
Nystatin; Microparticles; Alginate; Chitosan; Poloxamer 407; Vaginal delivery
Categories
Funding
- MCNN-Ministerio de Ciencia e Innovacion [MAT2011-26994]
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To develop more effective antifungal microparticulate therapeutic systems for the treatment of Candida vaginitis, microparticles containing nystatin were elaborated by emulsification/internal gelation method. Three types of microparticles were successfully prepared, alginate microparticles, chitosan and poloxamer 407 coated alginate microparticles. DSC and FT-IR studies were performed to test the efficacy of the method. After physicochemical characterization, mean particle sizes ranged from 36.088 mu m to 56.146 mu m. The encapsulation efficiency was found to be similar for alginate and chitosan coated microparticles and lower for poloxamer 407 coated. Optimal mucoadhesive properties in all kind of microparticles where exhibited. Release studies showed the best kinetic parameters for poloxamer 407 coated microparticles. After ex vivo permeation studies through porcine vaginal mucosa, and determination of the amount of nystatin retained as well as microbiologic studies performed, it could be inferred that the developed microparticulate systems offered an antifungal effect against Candida albicans without toxic systemic absorption. (C) 2013 Elsevier Ltd. All rights reserved.
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