Controlled release oral dosage suitable for oral administration

摘要

A pharmaceutical composition comprising a therapeutically effective amount of a medicament and a controlled release carrier, said carrier comprising a water insoluble polymer and a water insoluble inorganic salt which interact with said medicament to form a water insoluble barrier coating the medicament partially or completely to retard the release of the medicament in an aqueous medium, said polymer being present from about 1% up to about 50% by weight of the carrier, said inorganic salt being present from about 1% to about 95% of the composition and said medicament is present in at least 5% by weight of the pharmaceutical composition.