TABLET FOR INSTANT AND PROLONGED RELEASE OF ONE OR MORE ACTIVE SUBSTANCES

摘要

The invention relates to a multilayer tablet for the instant and then prolonged release of active substances comprising at least two superposed layers, characterized in that: a first outer layer is composed of a mixture of excipients and of a first active substance, the said first layer allowing immediate release of the said first active substance; a second layer, arranged in contact with the said first layer, consists of a nonbiodegradable, inert porous polymeric matrix in which a second active substance is dispersed.