COMPOSITION AND DOSAGE FORM FOR DELAYED GASTRIC RELEASE OF ALENDRONATE AND/OR OTHER BIS-PHOSPHONATES

摘要

The present invention provides compacted pharmaceutical composition for oral administration to a patient which expands upon contact with gastric fluid to retain a dosage form in the patient's stomach for an extended period of time, the formulation comprising a non-hydrated hydrogel, a superdisintegrant and tannic acid. The present invention further provides a pharmaceutical dosage form containing an active ingredient, and the compacted pharmaceutical composition. The invention further provides a dosage form suitable for delivering a therapeutic bis-phosphonate such as alendronate to the stomach of a patient over an extended period.