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EnglishA spray-drying technique was used to prepare poly(lactide-co-glycolide) (PLGA) drug loaded microspheres. Ketoprofen was chosen as a model NSAID drug. The microspheres were characterized in terms of morphology, drug content and release behaviour. The spray-dried particles were subject to a direct compression process for the preparation of biodegradable matrix tablets. The spray-dried powders were found to have good compaction properties. Tablets were also prepared from a mixture of microspheres and microcrystalline cellulose, mannitol and hydroxypropylmethylcellulose or sodium alginate. The release of ketoprofen in phosphate buffer (pH 7.4) was significantly sustained, indicating the suitability of using tabletted spray-dried PLGA microspheres for controlled drug delivery. The results show that spray-dried PLGA particles have promising properties as direct compression and release controlling excipients in matrix tablets for oral administration
Compressed biodegradable matrices of spray-dried PLGA microspheres for the modified release of Ketoprofen / Gavini, E; Sanna, V; Juliano, C; Giunchedi, P. - In: JOURNAL OF MICROENCAPSULATION. - ISSN 0265-2048. - 20:2(2003), pp. 193-201. [10.3109/02652040309178061]
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| Titolo: | Compressed biodegradable matrices of spray-dried PLGA microspheres for the modified release of Ketoprofen | |
| Autori: | ||
| Data di pubblicazione: | 2003 | |
| Rivista: | ||
| Citazione: | Compressed biodegradable matrices of spray-dried PLGA microspheres for the modified release of Ketoprofen / Gavini, E; Sanna, V; Juliano, C; Giunchedi, P. - In: JOURNAL OF MICROENCAPSULATION. - ISSN 0265-2048. - 20:2(2003), pp. 193-201. [10.3109/02652040309178061] | |
| Handle: | http://hdl.handle.net/11388/83705 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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