Micromeritics and release behaviours of cellulose acetate butyrate microspheres containing theophylline prepared by emulsion solvent evaporation and emulsion non-solvent addition method

Archives of Pharmacal Research

Volumn 32, Issue 7, 2009, Pages 1019-1028

  Jelvehgari, Mitra ^a,b   Atapour, Fatemeh ^a   Nokhodchi, Ali ^c  

^a TABRIZ UNIVERSITY OF MEDICAL SCIENCES   (Iran)

^b TABRIZ UNIVERSITY OF MEDICAL SCIENCES   (Iran)

^c MEDWAY SCHOOL OF PHARMACY   (United Kingdom)

Author keywords

Cellulose acetate butyrate; Drug release; Encapsulation methods; Loading efficiency; Microspheres; Non solvent

Indexed keywords

CELLABURATE; CYCLOHEXANE; MICROSPHERE; POLYMER; THEOPHYLLINE;

ARTICLE; DIFFERENTIAL SCANNING CALORIMETRY; DRUG RELEASE; EMULSION; ENCAPSULATION; EVAPORATION; INFRARED SPECTROSCOPY; PARTICLE SIZE; SCANNING ELECTRON MICROSCOPY; SOLID STATE; X RAY ANALYSIS;

CALORIMETRY, DIFFERENTIAL SCANNING; CELLULOSE; CHEMISTRY, PHARMACEUTICAL; CRYSTALLOGRAPHY, X-RAY; CYCLOHEXANES; DRUG CARRIERS; DRUG COMPOUNDING; EMULSIONS; KINETICS; MICROSCOPY, ELECTRON, SCANNING; MICROSPHERES; OILS; PARTICLE SIZE; SOLUBILITY; SPECTROSCOPY, FOURIER TRANSFORM INFRARED; SURFACE PROPERTIES; TECHNOLOGY, PHARMACEUTICAL; THEOPHYLLINE;

EID: 68649117023     PISSN: 02536269     EISSN: 19763786     Source Type: Journal    
DOI: 10.1007/s12272-009-1707-y     Document Type: Article

References (20)

1. P. Costa 2001 An alternative method to the evaluation of similarity factor in dissolution testing Int. J. Pharm. 220 77 83
2. M. K. Das K.R. Rao 2007 Microencapsulation of zidovudine by double emulsion solvent diffusion technique using ethylcellulose Indian J. Pharm. Sci. 69 244 250
3. H. Hamishekar J. Emami A.R. Najafabadi K. Gilani M. Minaiyan H. Mahdavai A. Nokhodchi 2009 Particle size design of PLGA microspheres for pulmonary drug delivery: Mathematical modeling and statistical optimization using response surface methodology J. Microencap. 26 1 8
4. S. R. Jameela N. Suma A. Jayakrishnan 1997 Protein release from poly(å-caprolactone) microspheres prepared by melt encapsulation and solvent evaporation techniques: a comparative study J. Biomater. Sci., Polym. Ed. 8 457 466
5. M. Kilicarslan T. Baykara 2003 The effect of the drug/polymer ratio on the properties of verapamil HCL loaded microspheres Int. J. Pharm. 252 99 109
6. W. Lu T. G. Park 1995 Protein release from poly(lactic-co-glycolic acid) microspheres: protein stability problems J. Pharm. Sci. Technol. 49 13 19
7. T. Mellstand N. Svedmyr P. O. Fagerstorm 1980 Absorption of theophylline from conventional and sustained release tablets Eur. J. Respir. Dis. 109 Suppl. 54 61
8. Y. Miyazaki S. Yakou T. Nagai K. Takayama 2003 release profiles of theophylline from microspheres consisting of dextran derivatives and cellulose acetate butyrate: effect of polyion complex formation Drug Dev. Ind. Pharm. 29 795 804 (Pubitemid 36899886)
9. W. M. Obaidat I. M. Obaidat 2007 Effect of the dispersion of eudragit S100 powder on the properties of cellulose acetate butyrate microspheres containing theophylline made by the emulsion-solvent evaporation method J. Microencap. 24 263 273
10. W. M. Obaidat J. C. Price 2006 Preparation and evaluation of eudragite S100 microspheres as pH-sensitive release preparation for piroxicam and theophylline using the emulsionsolvent evaporation method J. Microencap. 23 195 202
11. R. Pignatello P. Consoli G. Puglist 2000 In vitro release kinetics of tolmetin from tabletted eudragit microparticles J. Microencap. 17 373 383
12. Y. Pongpaibal J. C. Price C. W. Whitworth 1984 Preparation and development of controlled release indomethacine microsphere Drug Dev. Ind. Pharm. 10 1597 1616
13. Y. Pongpaibal C. W. Whitworth 1986 Preparation and in vitro dissolution characteristics of propranolol microcapsules Int. J. Pharm. 33 243 248
14. H. A. M. Sayed J. C. Price 1986 Tablet properties and dissolution characteristics of compressed cellulose acetate butyrate microcapsules containing succinyl sulfathiazole Drug Dev. Ind. Pharm. 12 577 587
15. Soeterboek, A. M. and Jonkman, J. H. G., Clinical pharmacokinetic aspects of theophylline, in: F.W.H.M. Merkus (Ed.), The Serum Concentration of Drugs: Clinical Relevance, Theory and Practice, Excerpta Medica, Amsterdam, pp: 25-259 (1980).
16. K. S. Soppimath A. R. Kulkarni T. M. Aminabhavi 2001 Development of hollow microspheres as floating controlled-release systems for cardiovascular drugs: preparation and release characteristics Drug Dev. Ind. Pharm. 27 507 515
17. C. S. Subhaga K. G. Ravi M. C. Sunny S. A. Jayakrishnan 1995 Evaluation of an aliphatic polyurethane as a micro-sphere matrix for sustained theophylline delivery J. Microencap. 12 617 625
18. K. S. Sunit M. Abdul-Arif B. B. Barik C. H. S. Prakash 2005 Formulation and in vitro evaluation of eudragit® microspheres of stavudine Tropical J. Pharm. Res. 4 369 375
19. J. Varshosaz R. A. Kennedy E. M. Gipps 1997 Use of enteric polymers for production of microspheres by extrusion-spheronization Pharm. Acta Helv. 72 145 152
20. J. C. Wu S. G. Su S. S. Shyu 1994 Effect of solvent-nonsolvent pairs on the surface morphology and release behaviour of ethycellulose microcapsules prepared by non-solvent-addition phase separation method J. Microencap. 11 297 308