Non-sedating antihistamine injection formulations and methods of use thereof
First Claim
1. A method of treating acute urticaria or angioedema associated with an acute allergic reaction comprising administering to an individual in an emergency situation an effective amount of an injectable composition comprising racemic cetirizine or a salt thereof,wherein the injectable composition is a sterile parenteral solution comprising 1 to 100 mg of cetirizine per milliliter of solution.
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Accused Products
Abstract
Described herein are injectable compositions containing non-sedating or second and third generation antihistamines such as cetirizine/levocetirizine and methods of use thereof. Specifically, methods of treating acute allergic reactions including anaphylaxis with the compositions are disclosed. In certain embodiments, the injectable compositions are bioequivalent to currently marketed oral dosage forms. In other embodiments, the non-sedating or second and third generation antihistamine injectable formulations are therapeutically equivalent to diphenhydramine injectable formulations and/or are more effective than placebo. In other embodiments, a non-sedating antihistamine injectable composition is delivered by an autoinjector.
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Citations
18 Claims
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1. A method of treating acute urticaria or angioedema associated with an acute allergic reaction comprising administering to an individual in an emergency situation an effective amount of an injectable composition comprising racemic cetirizine or a salt thereof,
wherein the injectable composition is a sterile parenteral solution comprising 1 to 100 mg of cetirizine per milliliter of solution.
Specification