A new solution for a chronic problem; aqueous enteric coating

Journal of Pharmaceutical Sciences

Volumn 95, Issue 11, 2006, Pages 2432-2437

  Rafati, Hasan ^a   Ghassempour, Alireza ^a   Barzegar Jalali, Mohammad ^b  

^a SHAHID BEHESHTI UNIVERSITY   (Iran)

^b TABRIZ UNIVERSITY OF MEDICAL SCIENCES   (Iran)

Author keywords

AHC; Aqueous enteric coating; Eudragit; FT IR; HPMCAS; HPMCP; pH sensitive polymers

Indexed keywords

ACETYLSALICYLIC ACID; AMMONIA; AMMONIUM HYDROGEN CARBONATE; BUFFER; CARBON DIOXIDE; CARBONIC ACID DERIVATIVE; POLYMER; UNCLASSIFIED DRUG; WATER;

AQUEOUS SOLUTION; ARTICLE; DELAYED DRUG RELEASE; DISSOCIATION; DRUG DOSAGE FORM; DRUG FORMULATION; DRUG RESEARCH; DRUG SENSITIVITY; DRUG SOLUBILITY; ENTERIC COATED TABLET; INFRARED SPECTROSCOPY; PH MEASUREMENT; SCANNING ELECTRON MICROSCOPY; TABLET;

EID: 33750926056     PISSN: 00223549     EISSN: 15206017     Source Type: Journal    
DOI: 10.1002/jps.20693     Document Type: Article

References (16)

1. Bando H, McGinity JW. 2006. Physicochemical properties of films prepared from aqueous dispersions and organic solutions. Int J Pharm 26:43-48.
2. Guo HX, Heinamaki J, Yliruusi J. 2002. Amylopectin as a subcoating material improves the acidic resistance of enteric coated pellets containing a freely soluble drug. Int J Pharm 235:79-86.
3. Baudoux M, Dechesne JP, Delattre L. 1990. Film coating with enteric polymers from aqueous dispersions. Pharm Tech Int 18:20-26.
4. Naosuke M, Hiroyasu K. 1995. Dispersion of enteric coating agent. European Patent EP0648487.
5. Naosuke M, Hiroyasu K, Yoshiaki K. 1994. Method for preparing aqueous emulsion for coating solid pharmaceutical preparations. European Patent EP0662323.
6. Robert AN, Lloyd OR, Toshihiro O, Toshiro F. 1996. Enteric coated preparation coated with solvent less enteric coating agent using powdery or pellet wax. European Patent EP0693282.
7. Obara S, Maruyama N, Nishiyama Y, Kokubo H. 1999. Dry coating: An innovative enteric coating method using a cellulose derivative. Europ J Pharm Biopharm 47:51-59.
8. Kim IH, Park JH, Cheong IW, Kim JH. 2003. Swelling and drug release behavior of tablets coated with hydroxypropyl methyl cellulose acetate phthalate (HPMCP) nanoparticles. J Control Rel 89:225-233.
9. Siepmanna F, Siepmanna J, Waltherb M, MacRaeb RJ, Bodmeiera R. 2005. Blends of aqueous polymer dispersions used for pellet coating: Importance of the particle size. J Control Rel 105:226-239.
10. Toorisaka E, Hashida M, Kamiya N, Ono H, Kokazu Y, Goto M. 2005. An enteric-coated dry emulsion formulation for oral insulin delivery. J Control Rel 107:91-96.
11. Shigeru O, Noboru H, Fujio S. 1977. Method for providing enteric coatings on solid dosage forms. US Patent 4 017647.
12. Stafford JW. 1982. Enteric film coating using completely aqueous dissolved hydroxypropyl methyl cellulose phthalate spray solutions. Drug Dev Ind Pharm 8:513-530.
13. Anderson NR, Auren PL, Toshishiro O, Toshiro F. 1996. Aqueous enteric coating solution. Japanese Patent JP08245423.
14. Chang RK. 1990. A comparison of rheological and enteric properties among organic solutions, ammonium salt aqueous solutions, and latex systems of some enteric polymers. Pharm Tech 11:62-70.
15. Stafford J. 1990. Enteric coated solid pharmaceutical unit dosage forms, British Patent 2057876. Sandoz Ltd.
16. Bechard SR, Levy L, Clas SD. 1995. Termal, mechanical and functional properties of cellulose acetate phthalate(CAP) coating obtained from neutralized aqueous solution. Int J Pharm 114: 205-213.