CELLULOSE-ACETATE TRIMELLITATE MICROSPHERES CONTAINING NSAIDS

被引:11
作者
GIUNCHEDI, P [1 ]
TORRE, ML [1 ]
MAGGI, L [1 ]
CONTI, B [1 ]
CONTE, U [1 ]
机构
[1] UNIV PAVIA,DIPARTIMENTO CHIM FARMACEUT,I-27100 PAVIA,ITALY
关键词
D O I
10.3109/03639049509048113
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Indomethacin and ketoprofen (non-steroidal anti-inflammatory drugs) were incapsulated with cellulose acetate trimellitate, enteric polymer, using a spray drying technique. Organic solutions of polymer and drug were prepared in different weight ratios and sprayed, achieving drug loaded microspheres. The obtained spray dried microparticles were characterized in terms of yield of production, shape, size, morphological characteristics and drug content. The in vitro drug release tests, carried out using a pH change method with a flow-through cell apparatus, show a typical delayed drug release due to the pH-dependent solubility of the polymer.
引用
收藏
页码:315 / 330
页数:16
相关论文
共 23 条
[1]   SOME FACTORS AFFECTING THE MICROENCAPSULATION OF PHARMACEUTICALS WITH CELLULOSE-ACETATE PHTHALATE [J].
BEYGER, JW ;
NAIRN, JG .
JOURNAL OF PHARMACEUTICAL SCIENCES, 1986, 75 (06) :573-578
[2]   PREPARATION AND CHARACTERIZATION OF MICROOSPHERES CONTAINING THE ANTI-INFLAMMATORY AGENTS, INDOMETHACIN, IBUPROFEN, AND KETOPROFEN [J].
BODMEIER, R ;
CHEN, H .
JOURNAL OF CONTROLLED RELEASE, 1989, 10 (02) :167-175
[3]  
CONTE U, 1992, 2ND P EUR S CONTR DR
[4]  
CONTE U, 1994, IN PRESS DRUG DEV IN, V20
[5]  
DEASY PB, 1988, MICROENCAPSULATION R
[6]  
DELFAVERO A, 1988, SIDE EFFECTS DRUGS, P80
[7]   PREPARATION AND INVITRO EVALUATION OF SLOW RELEASE KETOPROFEN MICROCAPSULES FORMULATED INTO TABLETS AND CAPSULES [J].
ELKHODAIRY, KA ;
ESHRA, AG ;
NADA, AH ;
MORTADA, SAM .
JOURNAL OF MICROENCAPSULATION, 1992, 9 (03) :365-373
[8]   QUANTITATION OF TERFENADINE, PSEUDOEPHEDRINE HYDROCHLORIDE, AND IBUPROFEN IN A LIQUID ANIMAL DOSING FORMULATION USING HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY [J].
GEORGE, RC ;
CONTARIO, JJ .
JOURNAL OF LIQUID CHROMATOGRAPHY, 1988, 11 (02) :475-488
[9]  
GIUNCHEDI P, 1993, P INT S CONTROL REL, V20, P386
[10]  
GIUNCHEDI P, 1994, IN PRESS J MICROENCA