Dosage forms of risedronate

Details Dosage forms of risedronate Dosage forms of risedronate

A - Human Necessities

61

K

A61K 31/675 (2006.01) A61K 9/22 (2006.01) A61P 3/12 (2006.01) A61P 19/08 (2006.01) A61P 35/04 (2006.01)

Patent

CA 2675652

Oral dosage forms of a risedronate comprised of a safe and effective amount of a pharmaceutical composition comprising risedronate, a chelating agent, and means for effecting delayed release of the risedronate and the chelating agent in the small intestine provide immediate release of the pharmaceutical composition to the small intestine of the mammal subject and pharmaceutically effective absorption of the bisphosphonate with or without food or beverages. The present invention substantially alleviates the interaction between risedronate and food or beverages, which interaction results in the bisphosphonate active ingredient not being available for absorption. The resulting oral dosage form may thus be taken with or without food. Further, the present invention effects delivery of risedronate and the chelating agent to the small intestine, substantially alleviating the upper GI irritation associated with bisphosphonate therapies. These benefits simplify previously complex treatment regimens and can lead to increased patient compliance with bisphosponate therapies.

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