PHARMACEUTICAL PREPARATION FOR ORAL ADMINISTRATION WITH CONTROLLED ACTIVE INGREDIENT RELEASE IN THE SMALL INTESTINE AND METHODS FOR ITS PRODUCTION

摘要

A pharmaceutical preparation for oral administration with controlled acti ve ingredient release in the small intestine, on the basis of active ingredi ent carriers provided with at least one active ingredient which are provided with an inner layer for controlling the active ingredient release and a cov ering layer, arranged thereon, that is resistant to gastric juices, and is c haracterized in that the inner layer is constructed from at least two diffus ion layers whose permeability for the diffusing active ingredient decreases from the inside to the outside, and a method for its production are describe d.