EXTERNAL PREPARATION COMPRISING FATTY ACID SALT OR BENZOIC ACID SALT OF BASIC PHARMACOLOGICALLY ACTIVE COMPONENT, AND METHOD FOR PRODUCTION THEREOF
摘要:
已经要求开发一种新型外用制剂的配方,该制剂具有基本药理活性成分的优异经皮吸收性。在选择适当的基本药理活性成分和有机酸(特别是脂肪酸)的组合中,发现基本药理活性成分的脂溶性(log P 值)和有机酸对基本药理活性成分的经皮吸收贡献显著。即,发现通过与脂肪酸形成盐,可以实现具有0.5至5的脂溶性水平的基本药理活性成分的优越经皮吸收性,该脂肪酸具有-1至4的脂溶性水平。因此,可以提供具有优异经皮吸收性能的新型外用制剂。
The present invention discloses a novel tape preparation containing lidocaine at a high concentration. A tape preparation containing lidocaine at a high content, which has a lidocaine contant of 10 w/w% or more, can be produced by using a lactic acid salt of lidocaine, while preventing the precipitation of a crystal of lidocaine.
[EN] TRANSDERMAL AMIDE LOCAL ANESTHETIC-CONTAINING PHARMACEUTICAL COMPOSITION AND PREPARATION METHOD THEREFOR<br/>[FR] COMPOSITION PHARMACEUTIQUE TRANSDERMIQUE CONTENANT UN ANESTHESIQUE LOCAL DE TYPE AMIDE ET PROCÉDÉ DE PRÉPARATION ASSOCIÉ<br/>[ZH] 一种经皮吸收的含酰胺类局部麻醉药的药物组合物及其制备方法