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Patent: 5,698,558

Summary for Patent: 5,698,558

Title: Methods for treating allergic disorders using optically pure (-) cetirizine
Abstract:Methods are disclosed utilizing optically pure (-) cetirizine for the treatment of seasonal and perennial allergic rhinitis in humans while avoiding the concomitant liability of adverse effects associated with the racemic mixture of cetirizine. The optically pure (-) isomer is also useful for the treatment of allergic asthma.
Inventor(s): Gray; Nancy M. (Marlboro, MA)
Assignee: Sepracor, Inc. (Marlborough, MA)
Application Number:08/789,502
Patent Claim Types:
see list of patent claims
Use; Dosage form; Composition;
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
Ucb Inc
XYZAL
levocetirizine dihydrochloride
TABLET;ORAL022064May 25, 2007RXYes5,698,558*PED<disabled>Y
Ucb Inc
XYZAL
levocetirizine dihydrochloride
SOLUTION;ORAL022157Jan 28, 2008RXYes5,698,558*PED<disabled>Y
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International Patent Family for Patent: 5,698,558

Country Document Number Publication Date
WIPO (PCT)9406429Mar 31, 1994
Netherlands300085May 01, 2002
Luxembourg90898Apr 08, 2002
Japan2006036791Feb 09, 2006
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