Pharmaceutical vesicular compositions for intranasal systemic delivery of drugs and uses of phospholipids, short alcohols and water in the preparation of same

摘要

Use of phospholipids, one or more C2-C4 alcohols and water in the preparation of a vesicular composition adapted for intranasal administration of an active agent, wherein the concentrations of said phospholipids and said one or more alcohols in said composition are in the ranges of 0.2 to 10% and 12 to 30% by weight, respectively, with the water content of said composition being not less than 30% by weight.