EXTENDED RELEASE OF ACTIVE INGREDIENTS

摘要

PURPOSE: Provided is a dosage form which is capable of extending the release of active ingredients characteristically by using unloaded ion exchange resins, and which does not require the manufacture of a resinate. CONSTITUTION: A dosage form characteristically comprises (a) active ingredients which are capable of being ionized; and (b) unloaded ion exchange resins. Therefore it is capable of controlling the release of the active ingredients.