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Original Article

Polymeric three-layered particles for the delivery of prednisolone to the lower gastrointestinal tract in rats

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Pages 335-341 | Received 12 May 2010, Accepted 28 Jul 2010, Published online: 18 Jan 2011

References

  • Wikberg M, Ulmius J, Ragnarsson G. (1997). Review article: Targeted drug delivery in treatment of intestinal diseases. Aliment Pharmacol Ther, 3:109–15.
  • Ogawa Y, Yamamoto M, Takada S, Okada H, Shimamoto T. (1988). Controlled-release of leuprolide acetate from polylactic acid or copoly(lactic/glycolic) acid microcapsules: Influence of molecular weight and copolymer ratio of polymer. Chem Pharm Bull, 36:1502–7.
  • Toguchi H, Ogawa Y, Okada H, Yamamoto M. (1991). Once-a‐month injectable microcapsules of leuprorelin acetate. Yakugaku Zasshi, 111:397–409.
  • Okada H, Inoue Y, Heya T, Ueno H, Ogawa Y, Toguchi H. (1991). Pharmacokinetics of once-a-month injectable microspheres of leuprolide acetate. Pharm Res, 8:787–91.
  • Freitas S, Merkle HP, Gander B. (2005). Microencapsulation by solvent extraction/evaporation: Reviewing the state of the art of microsphere preparation process technology. J Control Release, 102:313–32.
  • Li SP, Kowarski CR, Feld KM, Grim WM. (1988). Recent advances in microencapsulation technology and equipment. Drug Dev Ind Pharm, 14:353–76.
  • Yano H, Hirayama F, Kamada M, Arima H, Uekama K. (2002). Colon-specific delivery of prednisolone-appended alpha-cyclodextrin conjugate: Alleviation of systemic side effect after oral administration. J Control Release, 79:103–12.
  • Takaya T, Ikeda C, Imagawa N, Niwa K, Takada K. (1995). Development of a colon delivery capsule and the pharmacological activity of recombinant human granulocyte colony-stimulating factor (rhG-CSF) in beagle dogs. J Pharm Pharmacol, 47:474–8.
  • Eaimtrakarn S, Itoh Y, Kishimoto JI, Yoshikawa Y, Shibata N, Takada K. (2001). Retention and transit of intestinal mucoadhesive films in rat small intestine. Int J Pharm, 224:61–7.
  • AbuRuz S, Millership J, Heaney L, McElnay J. (2003). Simple liquid chromatography method for the rapid simultaneous determination of prednisolone and cortisol in plasma and urine using hydrophilic lipophilic balanced solid phase extraction cartridges. J Chromatogr B Analyt Technol Biomed Life Sci, 798:193–201.
  • Zhang Y, Wu HL, Ding YJ, Xia AL, Cui H, Yu RQ. (2006). Simultaneous determination of cortisol and prednisolone in body fluids by using HPLC-DAD coupled with second-order calibration based on alternating trilinear decomposition. J Chromatogr B Analyt Technol Biomed Life Sci, 840:116–23.
  • Chen M, Granvil C, Ji QC, Zhang ZY, Padval MV, Kansra VV. (2009). Development and validation of a liquid chromatography-tandem mass spectrometry assay for the simultaneous quantitation of prednisolone and dipyridamole in human plasma and its application in a pharmacokinetic study. J Pharm Biomed Anal, 49:1241–49.
  • Eiamtrakarn S, Itoh Y, Kishimoto J, Yoshikawa Y, Shibata N, Murakami M, . (2002). Gastrointestinal mucoadhesive patch system (GI-MAPS) for oral administration of G-CSF, a model protein. Biomaterials, 23:145–52.
  • Venkatesan N, Uchino K, Amagase K, Ito Y, Shibata N, Takada K. (2006). Gastro-intestinal patch system for the delivery of erythropoietin. J Control Release, 111:19–26.
  • Sugimoto K, Yoshida M, Yata T, Higaki K, Kimura T. (1998). Evaluation of poly(vinyl alcohol)-gel spheres containing chitosan as dosage form to control gastrointestinal transit time of drugs. Biol Pharm Bull, 21:1202–6.
  • Ward FW, Coates ME. (1987). Gastrointestinal pH measurement in rats: Influence of the microbial flora, diet and fasting. Lab Anim, 21:216–22.
  • Kinget R, Kalala W, Vervoort L, van den Mooter G. (1998). Colonic drug targeting. J Drug Target, 6:129–49.
  • Asghar LF, Chandran S. (2008). Design and evaluation of matrices of Eudragit with polycarbophil and carbopol for colon-specific delivery. J Drug Target, 16:745–57.

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