申请人:Purdue Pharma L.P.
公开号:EP2826467A1
公开(公告)日:2015-01-21
In certain embodiments, the present invention is directed to a solid controlled release dosage form comprising: a core comprising a first portion of an opioid analgesic dispersed in a first matrix material comprising polyethylene oxide having an average molecular weight from about 300,000 to about 10,000,000; and a shell encasing the core and comprising a second portion of the opioid analgesic dispersed in a second matrix material comprising polyethylene oxide having an average molecular weight from about 1,000,000 to about 10,000,000.
在某些实施方案中,本发明涉及一种固体控释剂型,该剂型包括:内核,内核包括分散在第一种基质材料中的第一部分阿片类镇痛剂,第一种基质材料包括聚氧化乙烯,聚氧化乙烯的平均分子量约为 300,000 至 10,000,000 ;以及外壳,外壳包裹内核,外壳包括分散在第二种基质材料中的第二部分阿片类镇痛剂,第二种基质材料包括聚氧化乙烯,聚氧化乙烯的平均分子量约为 1,000,000 至 10,000,000 。