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