发明名称 |
Thermogelling anaesthetic compositions |
摘要 |
The present invention relates to a thermogelling pharmaceutical composition comprising local anaesthetics in base form and which is suitable for topical administration. The compositions further comprise a polyoxyethylene castor oil and one or more surfactants to obtain thermogelling characteristics. |
申请公布号 |
US8834927(B2) |
申请公布日期 |
2014.09.16 |
申请号 |
US201113638511 |
申请日期 |
2011.03.31 |
申请人 |
Pharmanest AB |
发明人 |
Sundberg Mark;Brodin Arne;Kållberg Nils |
分类号 |
A61K9/00;A61K47/32;A61K47/44;A61K47/10;A61L15/44;A61K9/06 |
主分类号 |
A61K9/00 |
代理机构 |
LeClairRyan, a Professional Corporation |
代理人 |
LeClairRyan, a Professional Corporation |
主权项 |
1. A pharmaceutical composition comprising:
(a) 1 to 10% by weight of lidocaine in base form, which is solubilized in 10 to 30% by weight of a polyoxyethylene castor oil; (b) 15 to 30% by weight of one or more non-ionic block copolymers of poly(oxyethylene) and poly(oxypropylene) type; and (c) water, wherein the pH of the composition is at least the value of the pKa of said lidocaine. |
地址 |
Solna SE |