<p>A delayed release coating comprising a mixture of a first material selected from starch; amylose; amylopectin; chitosan; chondroitin sulfate; cyclodextrin; dextran; pullulan; carrageenan; scleroglucan; chitin; curdulan and levan, and a second material which has a pH threshold at about pH 5 or above, is used to target release of a drug from a core to the intestine, particularly the colon.</p>
申请公布号
WO2007122374(A8)
申请公布日期
2009.03.19
申请号
WO2007GB01354
申请日期
2007.04.13
申请人
SCHOOL OF PHARMACY, UNIVERSITY OF LONDON;BASIT, ABDUL, WASEH;IBEKWE, VALENTINE, CHIDI