MCCLAIN, JAMES B.,CARLYLE, WENDA C.,TAYLOR, CHARLES DOUGLAS
申请号：
CA2810842
公开号：
CA2810842C
申请日:
2011.09.09
申请国别(地区):
CA
年份:
2018
代理人:
摘要：
Provided is a drug delivery composition comprising at least one polymer and at least one active agent； wherein the active agent is present in crystalline form on at least one region of an outer surface of the composition and wherein active agent surface content is adjusted to provide a selected active agent release profile.
