CHOI, YOUN WOONG,최연웅,CHO, SANG MIN,조상민,MIN, BYUNG GU,민병구,KIM, BO KYUNG,김보경,JANG, JAE SANG,장재상,KANG, HYUN JU,강현주
申请号：
KR1020130127571
公开号：
KR1020130124268A
申请日:
2013.10.25
申请国别(地区):
KR
年份:
2013
代理人:
摘要：
The present invention relates to a bilayered levodropropizine sustained release tablet comprising an immediate release layer containing levodropropizine and a sustained release layer containing release controlling polymers. The levodropropizine sustained release tablet is orally administered and has immediate antitussive and expectorant effects. Also, the levodropropizine sustained release tablet enables to maintain a constant concentration of a drug in the plasma, reduces the frequency of intake, and enhances drug compliance.COPYRIGHT KIPO 2014[Reference numerals] (AA) Control medicine-test medicine dissolution comparison (%)(BB) Dissolution rate (%)(CC) Control medicine(DD) Time (min)본 발명은 레보드로프로피진을 포함하는 속방층과, 레보드로프로피진 및 방출제어용 고분자를 포함하는 서방층으로 이루어지는 레보드로프로피진 서방정에 관한 것이다.
