Enhanced immediate release formulations of topiramate
First Claim
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1. An enhanced immediate release topiramate formulation for administration to a mammalian subject comprising topiramate and at least one agent selected from a group consisting of complexing agents, enhancing agents and combinations thereof, wherein at least 80% of topiramate is dissolved in a time period of not more than 30 minutes.
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Abstract
The present invention provides enhanced immediate release formulations of topiramate, in which 80% of the active ingredient is released in the period of time of not more than 30 min. These formulations may be advantageously used for the treatment of acute neurological conditions, such as migraine.
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66 Claims
- 1. An enhanced immediate release topiramate formulation for administration to a mammalian subject comprising topiramate and at least one agent selected from a group consisting of complexing agents, enhancing agents and combinations thereof, wherein at least 80% of topiramate is dissolved in a time period of not more than 30 minutes.
- 25. A method of treatment or prevention of a pathological condition in a mammalian subject, comprising administering to said subject a therapeutically effective amount of an enhanced immediate release (EIR) topiramate formulation comprising topiramate and at least one agent selected from a group consisting of complexing agents, enhancing agents and combinations thereof, wherein at least 80% of topiramate is dissolved in a time period of not more than 30 minutes.
- 40. A pharmaceutical dosage form comprising a therapeutically effective amount of an enhanced immediate release topiramate formulation comprising topiramate and at least one agent selected from a group consisting of complexing agents, enhancing agents and combinations thereof, wherein at least 80% of topiramate is dissolved in a time period of not more than 30 minutes.
- 56. A pharmaceutical dosage form comprising a capsule containing a first pharmaceutical formulation enclosed therein, and a layer of a second pharmaceutical formulation coated on an outer surface of the capsule.
Specification