DOSAGE FORMS OF RISEDRONATE Russian patent published in 2010 - IPC A61K9/32 A61K31/675 A61P19/08 A61K47/12 A61K9/58 A61P19/10 

FIELD: medicine.

SUBSTANCE: there are described oral dosage forms of risedronate containing safe and effective amount of a pharmaceutical composition containing risedronate, a chelating agent and an agent for effective delayed release of risedronate and the chelating agent in small intestine. The pharmaceutical composition is directly released in a small intestine of a mammal with ensuring pharmaceutically effective absorption of bisphosphonate together with or without food or drinks. Present invention essentially reduces interaction between risedronate and food or drinks which leads to that the active component of bisphosphonate becomes inaccessible to absorption. Thus, the final oral dosage form can be taken with and without food. Further, present invention covers delivery of risedronate and the chelating agent in a small intestine, essentially reducing irritation of upper gastrointestinal tract associated with bisphosphonate therapy. These advantages simplify previous, complicated regimens and can lead to more complete observance of the bisphosphonate therapy regimen.

EFFECT: present invention essentially reduces interaction between risedronate and food or drinks which leads to that the active component of bisphosphonate becomes inaccessible to absorption.

23 cl, 12 ex