MULTILAYERED DOSAGE FORM

摘要

The present invention relates to a multilayered coated tablet comprising at least three layers, i.e., first, second and third layer wherein the first and third layers contain at least one active pharmaceutical ingredient and the second layer is either a placebo or an immediate-release drug layer. Further, the tablet has a delayed-release coating, wherein the coating may contain one or more pore-forming agents and/or orifices on one or both sides. Furthermore, it may contain an immediate-release layer of the drug over the delayed-release coating layer. The present invention further relates to processes for preparing such a multilayered coated tablet.