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A polymeric system for the intra-oral delivery of an anti-fungal agent

Record type: Article

Oral candidal infections are often persistent and intractable and thus the aim of this study was to develop a polymeric sustained release device to improve the topical treatment of these infections. A self curing system based on poly(ethyl methacrylate) and tetrahydrofurfuryl methacrylate (PEM/THFM) was used with chlorhexidine diacetate (CX) added at levels between 0 and 12% w/w. Water uptake by the device was assessed gravimetrically and CX release measured by UV spectrometry. Anti candidal activity was established by culturing azole sensitive and resistant strains of Candida albicans in the presence of the polymeric delivery device with and without CX. Candidal growth was measured by turbidimetry or surviving colony-forming unit (CFU) formation. There was an initial high release of CX over 24 h followed by a slow diffusion up to 7 days. CX inhibited candidal growth and survival markedly in vitro, with the test samples showing less than 0.5×10?7 CFU/ml compared to controls (3–4×10?7 CFU/ml). These results indicate the potential of a chlorhexidine containing PEM/THFM polymeric system in the treatment of persistent candidal infections.

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Citation

Patel, M.P., Cruchley, A.T., Coleman, D.C., Swai, H., Braden, M. and Williams, D.M. (2001) A polymeric system for the intra-oral delivery of an anti-fungal agent Biomaterials, 22, (17), pp. 2319-2324. (doi:10.1016/S0142-9612(00)00367-7).

More information

Published date: September 2001
Keywords: intra-oral, chlorhexidine, PEM/THFM, polymeric delivery system, candida

Identifiers

Local EPrints ID: 48483
URI: http://eprints.soton.ac.uk/id/eprint/48483
ISSN: 0142-9612
PURE UUID: eb7c4a13-1a5d-45c9-931a-2d6b947bcf21

Catalogue record

Date deposited: 26 Sep 2007
Last modified: 17 Jul 2017 14:59

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Contributors

Author: M.P. Patel
Author: A.T. Cruchley
Author: D.C. Coleman
Author: H. Swai
Author: M. Braden
Author: D.M. Williams

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