A method and compositions for topically administering physiologically active agents through the skin and mucous membranes of humans and animals in a transdermal device or formulation for systemic use or to the skin of humans and animals for localized use comprising applying to such skin or membrane a mixture of said physiologically active agent and a non-toxic, effective penetrating amount of penetration enhancing compound having the structural formula I: ##STR1## wherein: R is a saturated or unsaturated hydrocarbon group with from 5 to 19 carbon atoms; R' and R" are hydrogen, lower alkyl, trifluoromethyl, lower hydroxyalkyl or lower alkyl ester of lower hydroxyalkyl, with the proviso that both R' and R" are not lower hydroxyalkyl; X is O or NR.sub.1 ; R.sub.1 being hydrogen, lower alkyl, lower alkenyl, lower hydroxyalkyl or lower alkyl ester of lower hydroxyalkyl are disclosed.
一种通过皮肤和黏膜向人类和动物经皮装置或制剂中透过局部给药生理活性剂或局部用于人类和动物皮肤的组合物和方法,包括将所述生理活性剂和非毒性、有效透入量的渗透增强化合物混合物应用于该皮肤或膜上,所述渗透增强化合物的结构式为I:##STR1##其中:R是具有5到19个碳原子的饱和或不饱和的碳氢基团;R'和R"是氢、低级烷基、三
氟甲基、低级羟基烷基或低级羟基烷基的低级烷基酯,但须满足R'和R"均不是低级羟基烷基;X为O或NR.sub.1;披露了R.sub.1为氢、低级烷基、低级烯基、低级羟基烷基或低级羟基烷基的低级烷基酯。