Sanna, Vanna Annunziata and Gavini, Elisabetta and Rassu, Giovanna and Pirisino, Gerolamo Antonio and Giunchedi, Paolo (2006) Design and evaluation of dry-coated tablets for colonic delivery of diclofenac sodium. In: SardiniaChem 2006: giornata di studio dedicata alla chimica organica delle molecole biologicamente attive, 5 Giugno 2006, Cagliari, Italia. Conference or Workshop Item.
A colonic drug delivery system is required to protect a drug during its transit through the upper gastro-intestinal tract and allow its release in the colon. The aim of this study was the preparation of dry-coated tablets designed for colonic release of the model drug Diclofenac sodium (DS). The system consists of a drug-pectine (PC) mixture as the core and hydroxypropylmethylcellulose (HPMC) alone or mixed in different ratios with poly(ε-caprolactone) (CL) as the coat layer.
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