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Volumn 369, Issue 1-2, 2009, Pages 72-78

SEM/EDX and confocal microscopy analysis of novel and conventional enteric-coated systems

Author keywords

Adipic acid; Double coating; Enteric coatings; Enteric polymers; Methacrylic acid ethyl acrylate copolymer; Modified release; pH sensitive polymers; Polymer dissolution; Sub coating

Indexed keywords

ACRYLIC ACID ETHYL ESTER; ADIPIC ACID; HYDROXYPROPYLMETHYLCELLULOSE; METHACRYLIC ACID; PREDNISOLONE; SODIUM ION;

EID: 60849123901     PISSN: 03785173     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijpharm.2008.10.035     Document Type: Article
Times cited : (29)

References (35)
  • 1
    • 33750001738 scopus 로고    scopus 로고
    • Microstructural imaging of early gel layer formation in HPMC matrices
    • Bajwa G.S., Hoebler K., Sammon C., Timmins P., and Melia C.D. Microstructural imaging of early gel layer formation in HPMC matrices. J. Pharm. Sci. 95 (2006) 2145-2157
    • (2006) J. Pharm. Sci. , vol.95 , pp. 2145-2157
    • Bajwa, G.S.1    Hoebler, K.2    Sammon, C.3    Timmins, P.4    Melia, C.D.5
  • 2
    • 33645598150 scopus 로고
    • Catalysis involving acids and bases
    • Bender M.L., and Brubacher L.J. (Eds), McGraw-Hill Book Company, New York
    • Bender M.L., and Brubacher L.J. Catalysis involving acids and bases. In: Bender M.L., and Brubacher L.J. (Eds). Catalysis and Enzyme Action (1973), McGraw-Hill Book Company, New York 37-65
    • (1973) Catalysis and Enzyme Action , pp. 37-65
    • Bender, M.L.1    Brubacher, L.J.2
  • 3
    • 0021245005 scopus 로고
    • Absorption of acetylsalicylic acid from enteric-coated tablets in relation to gastric emptying and in vivo disintegration
    • Bogentoft C., Alpsten M., and Ekenved G. Absorption of acetylsalicylic acid from enteric-coated tablets in relation to gastric emptying and in vivo disintegration. J. Pharm. Pharmacol. 36 (1984) 350-351
    • (1984) J. Pharm. Pharmacol. , vol.36 , pp. 350-351
    • Bogentoft, C.1    Alpsten, M.2    Ekenved, G.3
  • 4
    • 55649113811 scopus 로고    scopus 로고
    • Evaluation of duodenal acid exposure in healthy subjects using a radiotelemetry pH monitoring system
    • A-624 (Abstract)
    • Bratten J., and Jones M.P. Evaluation of duodenal acid exposure in healthy subjects using a radiotelemetry pH monitoring system. Gastroenterology 130 (2006) A-624 (Abstract)
    • (2006) Gastroenterology , vol.130
    • Bratten, J.1    Jones, M.P.2
  • 7
    • 0030296096 scopus 로고    scopus 로고
    • Characterising drug release processes within controlled release dosage forms using confocal laser scanning microscope
    • Cutts L.S., Hibberd S., Adler J., Davies M.C., and Melia C.D. Characterising drug release processes within controlled release dosage forms using confocal laser scanning microscope. J. Controlled Release 42 (1996) 115-124
    • (1996) J. Controlled Release , vol.42 , pp. 115-124
    • Cutts, L.S.1    Hibberd, S.2    Adler, J.3    Davies, M.C.4    Melia, C.D.5
  • 8
    • 0027459272 scopus 로고
    • An in vitro/in vivo correlation for the disintegration and onset of drug release from enteric-coated pellets
    • Ebel J.P., Jay M., and Beihn R.M. An in vitro/in vivo correlation for the disintegration and onset of drug release from enteric-coated pellets. Pharm. Res. 10 (1993) 233-238
    • (1993) Pharm. Res. , vol.10 , pp. 233-238
    • Ebel, J.P.1    Jay, M.2    Beihn, R.M.3
  • 9
    • 43449127183 scopus 로고    scopus 로고
    • New insight into modified release pellets-internal structure and drug release mechanism
    • Ensslin S., Moll K.P., Paulus K., and Maeder K. New insight into modified release pellets-internal structure and drug release mechanism. J. Controlled Release 128 (2008) 149-156
    • (2008) J. Controlled Release , vol.128 , pp. 149-156
    • Ensslin, S.1    Moll, K.P.2    Paulus, K.3    Maeder, K.4
  • 10
    • 60849123541 scopus 로고    scopus 로고
    • Evonik Technical Bulletin, 2008. EUDRAGIT Application Guidelines, 10th ed. Evonik Roehm GmbH, Darmstadt, Germany.
    • Evonik Technical Bulletin, 2008. EUDRAGIT Application Guidelines, 10th ed. Evonik Roehm GmbH, Darmstadt, Germany.
  • 11
    • 24044527489 scopus 로고    scopus 로고
    • Dissolution of pH responsive formulations in media resembling intestinal fluids: bicarbonate versus phosphate buffers
    • Fadda H.M., and Basit A.W. Dissolution of pH responsive formulations in media resembling intestinal fluids: bicarbonate versus phosphate buffers. J. Drug Deliv. Sci. Technol. 15 (2005) 273-279
    • (2005) J. Drug Deliv. Sci. Technol. , vol.15 , pp. 273-279
    • Fadda, H.M.1    Basit, A.W.2
  • 13
    • 0344603881 scopus 로고    scopus 로고
    • Characterization of particle deformation during compression measured by confocal laser scanning microscopy
    • Guo H.X., Heinamaki J., and Yliruusi J. Characterization of particle deformation during compression measured by confocal laser scanning microscopy. Int. J. Pharm. 186 (1999) 99-108
    • (1999) Int. J. Pharm. , vol.186 , pp. 99-108
    • Guo, H.X.1    Heinamaki, J.2    Yliruusi, J.3
  • 14
    • 23144448560 scopus 로고    scopus 로고
    • Diffusion of a freely water-soluble drug in aqueous enteric-coated pellets
    • Guo H.X., Heinamaki J., and Yliruusi J. Diffusion of a freely water-soluble drug in aqueous enteric-coated pellets. AAPS Pharm. Sci. Technol. 3 (2002) E16
    • (2002) AAPS Pharm. Sci. Technol. , vol.3
    • Guo, H.X.1    Heinamaki, J.2    Yliruusi, J.3
  • 15
    • 0037168256 scopus 로고    scopus 로고
    • Measurement of pH near dissolving enteric coatings
    • Harianawala A.I., Bogner R.H., and Bradley M. Measurement of pH near dissolving enteric coatings. Int. J. Pharm. 247 (2002) 139-146
    • (2002) Int. J. Pharm. , vol.247 , pp. 139-146
    • Harianawala, A.I.1    Bogner, R.H.2    Bradley, M.3
  • 16
    • 30744467945 scopus 로고    scopus 로고
    • A comparative in vitro assessment of the drug release performance of pH responsive polymers for ileo-colonic delivery
    • Ibekwe V.C., Fadda H.M., Parsons G.E., and Basit A.W. A comparative in vitro assessment of the drug release performance of pH responsive polymers for ileo-colonic delivery. Int. J. Pharm. 308 (2006) 52-60
    • (2006) Int. J. Pharm. , vol.308 , pp. 52-60
    • Ibekwe, V.C.1    Fadda, H.M.2    Parsons, G.E.3    Basit, A.W.4
  • 17
    • 46749083350 scopus 로고    scopus 로고
    • Interplay between intestinal pH, transit time and feed status on the in vivo performance of pH responsive ileo-colonic release systems
    • Ibekwe V.C., Fadda H.M., McConnell E.L., Khela M.K., Evans D.F., and Basit A.W. Interplay between intestinal pH, transit time and feed status on the in vivo performance of pH responsive ileo-colonic release systems. Pharm. Res. 25 (2008) 1828-1835
    • (2008) Pharm. Res. , vol.25 , pp. 1828-1835
    • Ibekwe, V.C.1    Fadda, H.M.2    McConnell, E.L.3    Khela, M.K.4    Evans, D.F.5    Basit, A.W.6
  • 18
    • 32244434196 scopus 로고    scopus 로고
    • Characterization of the human upper gastrointestinal contents under conditions simulating bioavailability/bioequivalence studies
    • Kalantzi L., Goumas K., Kalioras V., Abrahamsson B., Dressman J.B., and Reppas C. Characterization of the human upper gastrointestinal contents under conditions simulating bioavailability/bioequivalence studies. Pharm. Res. 23 (2006) 165-176
    • (2006) Pharm. Res. , vol.23 , pp. 165-176
    • Kalantzi, L.1    Goumas, K.2    Kalioras, V.3    Abrahamsson, B.4    Dressman, J.B.5    Reppas, C.6
  • 19
    • 0029561303 scopus 로고
    • Ionic strength dependence of dissolution for Eudragit S-100 coated pellets
    • Kararli T.T., Kirchhoff C.F., and Truelove J.E. Ionic strength dependence of dissolution for Eudragit S-100 coated pellets. Pharm. Res. 12 (1995) 1813-1816
    • (1995) Pharm. Res. , vol.12 , pp. 1813-1816
    • Kararli, T.T.1    Kirchhoff, C.F.2    Truelove, J.E.3
  • 21
    • 0000853493 scopus 로고
    • Chemistry and application properties of polymethacrylate coating systems
    • McGinity J.W. (Ed), Marcel Dekker, Inc., New York
    • Lehmann K. Chemistry and application properties of polymethacrylate coating systems. In: McGinity J.W. (Ed). Aqueous Polymeric Coatings for Pharmaceutical Dosage Forms (1989), Marcel Dekker, Inc., New York 153-245
    • (1989) Aqueous Polymeric Coatings for Pharmaceutical Dosage Forms , pp. 153-245
    • Lehmann, K.1
  • 22
    • 0031544453 scopus 로고    scopus 로고
    • The in vivo behaviour of enteric naproxen tablets coated with an aqueous dispersion of methacrylic acid copolymer
    • Lehmann K., Brogmann B., Kenyon C.J., and Wilding I.R. The in vivo behaviour of enteric naproxen tablets coated with an aqueous dispersion of methacrylic acid copolymer. STP Pharma. Sci. 7 (1997) 463-468
    • (1997) STP Pharma. Sci. , vol.7 , pp. 463-468
    • Lehmann, K.1    Brogmann, B.2    Kenyon, C.J.3    Wilding, I.R.4
  • 23
    • 57349173031 scopus 로고    scopus 로고
    • A novel concept in enteric coating: a double-coating system providing rapid drug release in the proximal small intestine
    • Liu F., Lizio R., Meier C., Petereit H.-U., Blakey P., and Basit A.W. A novel concept in enteric coating: a double-coating system providing rapid drug release in the proximal small intestine. J. Controlled Release 133 (2009) 119-124
    • (2009) J. Controlled Release , vol.133 , pp. 119-124
    • Liu, F.1    Lizio, R.2    Meier, C.3    Petereit, H.-U.4    Blakey, P.5    Basit, A.W.6
  • 24
    • 43249121029 scopus 로고    scopus 로고
    • Gut instincts: explorations in intestinal physiology and drug delivery
    • McConnell E.L., Fadda H.M., and Basit A.W. Gut instincts: explorations in intestinal physiology and drug delivery. Int. J. Pharm. 364 (2008) 213-226
    • (2008) Int. J. Pharm. , vol.364 , pp. 213-226
    • McConnell, E.L.1    Fadda, H.M.2    Basit, A.W.3
  • 25
    • 0030745382 scopus 로고    scopus 로고
    • Investigating in vitro drug release mechanisms inside dosage forms. Monitoring liquid ingress in HPMC hydrophilic matrices using confocal microscopy
    • Melia C.D., Marshall P., Stark P., Cunningham S., Kinahan A., and Devane J. Investigating in vitro drug release mechanisms inside dosage forms. Monitoring liquid ingress in HPMC hydrophilic matrices using confocal microscopy. Adv. Exp. Med. Biol. 423 (1997) 129-135
    • (1997) Adv. Exp. Med. Biol. , vol.423 , pp. 129-135
    • Melia, C.D.1    Marshall, P.2    Stark, P.3    Cunningham, S.4    Kinahan, A.5    Devane, J.6
  • 27
    • 0024015677 scopus 로고
    • Dissolution of ionizable drugs in buffered and unbuffered solutions
    • Ozturk S.S., Palsson B.O., and Dressman J.B. Dissolution of ionizable drugs in buffered and unbuffered solutions. Pharm. Res. 5 (1988) 272-282
    • (1988) Pharm. Res. , vol.5 , pp. 272-282
    • Ozturk, S.S.1    Palsson, B.O.2    Dressman, J.B.3
  • 29
    • 47949133355 scopus 로고    scopus 로고
    • Supercritical fluid assisted production of HPMC composite microparticles
    • Reverchon E., Lamberti G., and Antonacci A. Supercritical fluid assisted production of HPMC composite microparticles. J. Supercritical Fluids 46 (2008) 185-196
    • (2008) J. Supercritical Fluids , vol.46 , pp. 185-196
    • Reverchon, E.1    Lamberti, G.2    Antonacci, A.3
  • 30
    • 0004706287 scopus 로고
    • Buffer capacity, not buffer catalysis, affects the dissolution rate of cellulose acetate phthalate
    • Shek E. Buffer capacity, not buffer catalysis, affects the dissolution rate of cellulose acetate phthalate. Pharm. Ind. 40 (1978) 981-982
    • (1978) Pharm. Ind. , vol.40 , pp. 981-982
    • Shek, E.1
  • 31
    • 0141779417 scopus 로고
    • Factors affecting the dissolution rate of enteric coatings
    • Spitael J., and Kinget R. Factors affecting the dissolution rate of enteric coatings. Pharm. Ind. 39 (1977) 502-505
    • (1977) Pharm. Ind. , vol.39 , pp. 502-505
    • Spitael, J.1    Kinget, R.2
  • 32
    • 0141556008 scopus 로고
    • Dissolution rate of cellulose acetate phthalate and the bro:nsted catalysis law
    • Spitael J., Kinget R., and Naessens K. Dissolution rate of cellulose acetate phthalate and the bro:nsted catalysis law. Pharm. Ind. 42 (1980) 846-849
    • (1980) Pharm. Ind. , vol.42 , pp. 846-849
    • Spitael, J.1    Kinget, R.2    Naessens, K.3
  • 33
    • 31944446296 scopus 로고    scopus 로고
    • Stable microcapsules assembled stepwise from weak polyelectrolytes followed by thermal crosslinking
    • Tong W., and Gao C. Stable microcapsules assembled stepwise from weak polyelectrolytes followed by thermal crosslinking. Polym. Adv. Technol. 16 (2005) 827-833
    • (2005) Polym. Adv. Technol. , vol.16 , pp. 827-833
    • Tong, W.1    Gao, C.2


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