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논문 기본 정보

자료유형
학술저널
저자정보
Jiang‑Yan Liu (Soochow University) Xiao‑Xue Zhang (Soochow University) Hao‑Yan Huang (Soochow University) 이범진 (아주대학교) Jing‑Hao Cui (Soochow University) Qing‑Ri Cao (Soochow University)
저널정보
한국약제학회 Journal of Pharmaceutical Investigation Journal of Pharmaceutical Investigation 제48권 제3호
발행연도
2018.5
수록면
341 - 350 (10page)
DOI
10.1007/s40005-017-0326-8

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The aim of this study was to develop esomeprazole magnesium (EMZ-Mg) enteric-coated pellets and pellet-based tablets, as well as to investigate the effects of pellet size and compression method on acid tolerance, content uniformity, compressibility, and stability of preparations. This study used two types of pellet cores, namely, microcrystalline cellulose (MCC) core with a particle size of 150?300 μm and sucrose core with a particle size of 600?700 μm. Enteric-coated pellets, which consisted of a drug-free core, a drug layer, a sub-coating layer (hydroxypropyl methylcellulose, 6 cps), and an enteric-coating layer ( Eudragit®L30D-55), were prepared by using a bottomspray fluidized bed-coating technique. Pellet-based tablets were prepared by using a direct compression method or a wet granulation method. The acid tolerances of the two types of enteric-coated pellets (MCC and sucrose cores) reached up to 98% in simulated gastric fluid (pH 1.0) within 2 h, and the dissolution rates in simulated intestinal fluid (pH 6.8) reached up to 85% of the labeled amount within 15 min. When compressed into tablets, the pellets based on MCC core (smaller particle size) displayed a significantly higher acid tolerance (up to 92%) compared with the pellets based on sucrose core (larger particle size). In addition, the MCC core-based tablets (F8), especially those prepared by using a granulation method, showed higher drug content uniformity and compressibility than the sucrose core-based tablets (F10), and no lamination phenomenon was observed during compression. The crystallinity of EMZ-Mg was altered during drug layering process, and some physicochemical interactions were observed between the drug and excipients. Moreover, the two types of enteric-coated pellets showed a relatively high stability after storage under high temperature and strong light. However, they showed poor stability under high humidity, resulting in remarkable degradation of active compound. The EMZ-Mg entericcoated pellets and pellet-based tablets were successfully developed, and reduction in pellet size and wet granulation reduced the differences in content uniformity and better protected the pellet coating from damages during compression.
#Esomeprazole magnesium #Enteric-coated pellets #Pellet loaded tablets #Acid tolerance #Content uniformity

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참고문헌 (22)

참고문헌 신청
Alhusban F / 2011 / Formulation of multiparticulate systems as lyophilised orally disintegrating tablets / Eur J Pharm Biopharm 79(3):627~634 Crossref Bertolini T / 2014 / A novel automated hydrophilic interaction liquid chromatography method using diode-array detector/electrospray ionization tandem mass spectrometry for analysis of sodium risedronate and related degradation products in pharmaceuticals / J Chromatogr A 1365:131~139 Crossref Davitt CJ / 2016 / A novel adjuvanted capsule based strategy for oral vaccination against infectious diarrhoeal pathogens / J Control Release 233:162~173 Crossref Debunne A / 2004 / Compaction of enteric-coated pellets: influence of formulation and process parameters on tablet properties and in vivo evaluation / Eur J Pharm Sci 22(4):305~314 Crossref Dukic-Ott A / 2008 / In-vitro and in-vivo evaluation of enteric-coated starchbased pellets prepared via extrusion/spheronisation / Eur J Pharm Biopharm 70(1):302~312 Crossref

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