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The objective of this investigation was to develop a gastro-retentive(GR) dosage form of gabapentin and was to evaluate of its dissolution characteristics. GR tablet consists of expandable core tablet matrix and semi-permeable membrane coating. Poloxamer 407 and sodium bicarbonate were used to prepare the core matrix. Polyvinly acetate dispersion

(Kollicoat SR30D? and polyvinyl alcohol-polyethylene glycol copolymer (Kollicoat IR? were employed to form the semi-permeable membrane. The GR tablets significantly expanded up to fivefold in simulated gastrointestinal fluids with no apparent damage of the coating membrane over 12 hours. Also, the swelling rate was controllable with the amount of sodium bicarbonate. The drug release was observed to be substantially sustained based on coating level. The release rate of gabapentin from the GR tablet was gradually slowed down as the coasting amount was increased. The gabapentin GR tablet with 8% coating level showed a pseudo-zero order release kinetics over 12 hours. These results suggest that this swellable GR tablet system having semi-permeable membrane coating can be applicable for hydrophilic drug substances like gabapentin.

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참고문헌 (16건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 Controlled-Release Drug Delivery Systems for Prolonged Gastric Residence 네이버 미소장
2 Gastroretentive drug delivery systems. 네이버 미소장
3 Y.D. Tang, S.S. Venkatraman, F.Y.C. Boey and L.W. Wang. Sustained release of hydrophobic and hydrophilic drugs from a floating dosage form, J. Pharmaceutics, 336, 159-165 (2007). 미소장
4 Expandable gastroretentive dosage forms 네이버 미소장
5 The use of citric acid to prolong the in vivo gastro-retention of a floating dosage form in the fasted state 네이버 미소장
6 Floating drug delivery systems: an approach to oral controlled drug delivery via gastric retention 네이버 미소장
7 Bioavailability of riboflavin from a gastric retention formulation 네이버 미소장
8 Preparation of a Matrix Type Multiple-Unit Gastro Retentive Floating Drug Delivery System for Captopril Based on Gas Formation Technique: In Vitro Evaluation 네이버 미소장
9 The bilayer floating capsule: a stomach-directed drug delivery system for misoprostol. 네이버 미소장
10 Novel levodopa gastroretentive dosage form: in-vivo evaluation in dogs. 네이버 미소장
11 A. Amin, T. Shah, D. Parikh and M Shah, Progress in swellable & low density excipients for prolonged gastric retention, Drug Delivery Tech., (Feb), 22-26 (2008). 미소장
12 Bioequivalence of Kuhnil Gabapentin(TM) Capsule 300mg to Neurontin(TM) Capsule 300mg (Gabapentin 300mg) 소장
13 T. Gordi, V. Cowles, Y.K. Chiang and E. Hou, Gabapentin pharmacokinetics after the administration of a gastric retentive formulation in postmenopausal women with hot flashes, Abstracts No. 1839, AAPS Annual Meeting, (2008). 미소장
14 V. Cowles, G. Gusler, R. Gu, J. Louie-Helm, E. Hou and B. Berner, Dose Proportionality of Gabapentin Gastric Retentive Extended-Release Tablets in Beagle Dog, Abstracts No. 2109, AAPS Annual Meeting, (2006). 미소장
15 T. Gordi, E. Hou, S. Kasichayanula and B. Berner, Pharmacokinetics of gabapentin after a single day and at steady state following the administration of gastric-retentive–extended-release and immediate-release tablets: A randomized, open-label, multiple-dose, tree-way crossover, exploratory study in healthy subjects, Clinical Therapeutics, 30(5), 909-916 (2008). 미소장
16 Development of sustained release gastroretentive drug delivery system for ofloxacin: In vitro and in vivo evaluation 네이버 미소장