New pharmaceutical compositions for controlled drug release and diffusion-osmosis processes for preparing the same.

摘要

NEW pharmaceutical compositions drug delivery BROADCAST-OSMOSIS CONTROLLED AND PROCESSES FOR PREPARING THE SAME. The invention relates to a novel compound FARMACEUTICO drug delivery-OSMOSIS diffusion controlled, containing a core tablet one or two layers, INCLUDING A film of polymeric coating, a therapeutically active substance and a polymer HIDROFILO; With one or more holes in the coating film in contact with the core, OR WITH hydrophilic polymer comprising a Methacrylate Copolymer AS AMMONIUM COATING MATERIAL AND HOW hydrophilic polymer hydroxypropyl methyl cellulose. Disclosed compound is useful for preparing drug delivery TABLETS CONTAINING CONTROLLED SUBSTANCE AS ACTIVE drugs used for heart disease and circulatory OR ACTING ON THE CENTRAL NERVOUS SYSTEM. The invention further relates to a process for the preparation of compounds ABOVE.