INFLUENCE OF AMOUNT OF GRANULATION LIQUID ON THE DRUG-RELEASE RATE FROM PELLETS MADE BY EXTRUSION SPHERONIZATION

被引:46
作者
BAERT, L [1 ]
REMON, JP [1 ]
机构
[1] STATE UNIV GHENT,PHARMACEUT TECHNOL LAB,HARELBEKESTR 72,B-9000 GHENT,BELGIUM
关键词
GRANULATION LIQUID; DRUG RELEASE; PELLET; EXTRUSION; SPHERONIZATION; GRAVITY FEED EXTRUDER;
D O I
10.1016/0378-5173(93)90400-A
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Pellets were prepared by extrusion spheronisation using microcrystalline cellulose as pellet forming agent and two drugs with different solubility, theophylline monohydrate and sulfamethoxazole. Different amounts of water were used for the granulation step prior to extrusion spheronisation. The amount of granulating fluid used had an influence on the drug release from the pellets. A slower release rate was observed with increasing amounts of granulating fluid. These differences in the release profiles were correlated with differences in hardness, density and structure of the pellets.
引用
收藏
页码:135 / 141
页数:7
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