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Patent: 5,622,721

Summary for Patent: 5,622,721

Title: Dosage forms of risedronate
Abstract:The present invention is directed to a novel enteric-coated oral dosage form of a risedronate active ingredient comprised of a safe and effective amount of a pharmaceutical composition which is comprised of a risedronate active ingredient and pharmaceutically-acceptable excipients. Said dosage forms prohibit the exposure of the risedronate active ingredient to the epithelial and mucosal tissues of the buccal cavity, pharynx, esophagus, and stomach and thereby protects said tissues from erosion, ulceration or other like irritation. Accordingly, the said dosage forms effect the delivery to the lower gastrointestinal tract of said human or other mammal of a safe and effective amount of the risedronate active ingredient, and substantially alleviate the esophagitis or esophageal irritation which occasionally accompanies the oral administration of risedronate active ingredients.
Inventor(s): Dansereau; Richard J. (Sherburne, NY), Mosher; Russell Y. (Norwich, NY), Axelrod; Douglas W. (Norwich, NY), Sietsema; William K. (Norwich, NY)
Assignee: The Procter & Gamble Company (Cincinnati, OH)
Application Number:08/307,495
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form; Delivery; Formulation;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Warner Chilcott Llc
ATELVIA
risedronate sodium
TABLET, DELAYED RELEASE;ORAL022560Oct 8, 2010RXYes5,622,721<disabled>YTREATMENT OF OSTEOPOROSIS IN POSTMENOPAUSAL WOMEN
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International Patent Family for Patent: 5,622,721

Country Document Number Publication Date
WIPO (PCT)9309785May 27, 1993
United States6096342Aug 01, 2000
United States2004037884Feb 26, 2004
United States6596710Jul 22, 2003
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