DESIGN OF A POLYVINYL-ALCOHOL HYDROGEL CONTAINING PHOSPHOLIPID AS CONTROLLED-RELEASE VEHICLE FOR RECTAL ADMINISTRATION OF (+/-)-PROPRANOLOL HCL

被引:12
作者
MORIMOTO, K [1 ]
FUKANOKI, S [1 ]
HATAKEYAMA, Y [1 ]
NAGAYASU, A [1 ]
MORISAKA, K [1 ]
HYON, SH [1 ]
IKADA, Y [1 ]
机构
[1] KYOTO UNIV,MED POLYMER & BIOMAT RES CTR,SAKYO KU,KYOTO 606,JAPAN
关键词
D O I
10.1111/j.2042-7158.1990.tb06567.x
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Abstract— Polyvinyl alcohol hydrogels which contained phospholipid, egg yolk lecithin or hydrogenated soya lecithin were designed as a transrectal delivery system for propranolol hydrochloride. The hydrogel preparations containing phospholipid were prepared by a low‐temperature crystallization method. The release profile of propranolol from hydrogel preparations containing phospholipid complied with Fickian diffusion (Higuchi model). The release of propranolol from the hydrogel preparation decreased with higher contents of phospholipid (∼ 2% w/w). In rats plasma concentrations of propranolol after rectal administration of hydrogel preparations containing phospholipid (1 and 2% w/w) were prolonged compared with those of rats receiving preparations without phospholipid. 1990 Royal Pharmaceutical Society of Great Britain
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收藏
页码:720 / 722
页数:3
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