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Scientific article
English

Treatment of Intralocular Diseases with Poly(ortho ester)-Based Drug Delivery Systems

Published inMacromolecular symposia, vol. 172, p. 73-86
Publication date2001
Abstract

A poly(ortho ester) (POE) has been investigated as a carrier for controlled delivery in intraocular therapy. The intraocular biocompatibility of POE was assessed in the rabbit after intravitreal as well as suprachoroidal injections. In both cases, the injection was feasible and reproducible, and the tolerance of POE was good, with no clinical or cellular signs of inflammation. The polymer degraded slowly within 2 to 3 weeks, with total bioresorption. POE allowed to sustain the release of an antifibroblastic agent in a model of glaucoma filtering surgery in the rabbit. A formulation based on POE and 5-fluorouracil was administered to prevent the failure of the surgery. This POE formulation was effective in inhibiting the fibrotic response, allowing a local and controlled release of a small amount of the antiproliferative drug, while reducing its toxicity. Based on these results, POE appears to be a promising carrier for sustained drug delivery in treatment of intraocular affections.

eng
Citation (ISO format)
EINMAHL, Suzanne et al. Treatment of Intralocular Diseases with Poly(ortho ester)-Based Drug Delivery Systems. In: Macromolecular symposia, 2001, vol. 172, p. 73–86. doi: 10.1002/1521-3900(200107)172:1<73::AID-MASY73>3.0.CO;2-R
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ISSN of the journal1022-1360
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