Coated cores with delayed release of active substance and pharmaceutical dosage forms containing thereof

摘要

The present invention relates to delayed release coated cores comprising an active substance in their core and a polymer coating comprising at least one or more ammonio methacrylate copolymer, characterised in that the core comprises at least a surfactant ; to monolithic or multiparticulate pharmaceutical dosage forms comprising such delayed release coated cores and to their method of manufacture.