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- W2000327602 abstract "Cataract surgery is often performed in patients suffering from associated pathologies. Our goal is to develop a biodegradable drug delivery system (DDS) combined with the artificial intraocular lens (IOL). DDS were manufactured using poly(D,L-lactide-co-glycolide), or PLGA, and were loaded with triamcinolone acetonide (TA). The loading capacity was approximately 1050 microg of TA per DDS. The higher the molecular weight of PLGA (34,000, 48,000 and 80,000Da), the slower was the release of TA in vitro. Cataract surgery was performed on the right eye of rabbits. IOL was inserted with (i) no DDS, (ii) unloaded DDS PLGA48000, (iii) one loaded DDS PLGA48000, (iv) two loaded DDS. The number of inflammatory cells and the protein concentration were measured in the aqueous humor (AH). Unloaded DDS showed good ocular biocompatibility. One DDS PLGA48000 loaded with TA significantly reduced postoperative ocular inflammation. Two loaded DDS PLGA48000 was even more effective in inhibiting such inflammation. On long-term observation (days 63 and 84), reduction of inflammation could be obtained by insertion of one DDS PLGA48000 and a second DDS PLGA80000. Therefore, our all in one system is very promising since it could replace oral treatment and reduce the number of intraocular injections." @default.
- W2000327602 created "2016-06-24" @default.
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- W2000327602 date "2008-03-01" @default.
- W2000327602 modified "2023-10-17" @default.
- W2000327602 title "A biodegradable drug delivery system for the treatment of postoperative inflammation" @default.
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- W2000327602 doi "https://doi.org/10.1016/j.ijpharm.2007.10.054" @default.
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