New alkaloid derivatives, their use and pharmaceutical formulations containing them

Abstract

Salts of a pharmacologically active, naturally occurring or synthetic alkaloids, or alkaloid derivatives and a phosphatidic acid are provided, which preferably have the formula [Alk].sub.x [PA].sub.y wherein Alk represents a cation derived from said pharmacologically active, naturally occurring or synthetic alkaloid, or alkaloid derivative, PA represents a phosphatidic acid or a mixture of different phosphatidic acids, and x:y is from 2:1 to 1:2. The therapeutic use of the salts of the invention in the treatment of syndromes affecting the elderly, particularly conditions that are related to changes in cerebral metabolism and reduced blood flow are decribed, as well as cosmetic methods.

Dependencies are inferred from the claim text.