USE OF 5-METHYLTETRAHYDROFOLIC ACID, 5-FORMYLTETRAHYDROFOLIC ACID AND THEIR PHARMACEUTICALLY ACCEPTABLE SALTS IN THE PREPARATION OF PHARMACEUTICAL COMPOSITIONS IN CONTROLLED- RELEASE FORM ACTIVE IN THE THERAPY OF ORGANIC MENTAL DISTURBANCES, AND THE RELATIVE PHARMACEUTICAL COMPOSITIONS

摘要

This invention relates to the use of 5-methyltetrahydrofolic acid, 5-formyltetrahydrofolic acid and their pharmaceutically acceptable salts in the preparation of pharmaceutical compositions in controlled-release form which are active in the therapy of organic mental disturbances and in particular in the treatment of senile and presenile primary degenerative dementia of Alzheimer type and multiinfarctual dementia, and to the pharmaceutical compositions concerned.