Novel drug compositions and dosage forms of topiramate
First Claim
Patent Images
1. A drug composition comprising topiramate and a solubilizing agent.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention is directed to novel drug compositions and dosage forms comprising said drug compositions. The drug compositions of the present invention comprise a pharmaceutical agent and a solubilizing agent. The drug compositions of the present invention are particularly advantageous for use with low solubility and/or low dissolution rate pharmaceutical agents. The present invention is further directed to methods for manufacturing of said drug compositions and dosage forms. The present invention is further directed to methods of treatment comprising administration of said drug compositions and dosage forms.
99 Citations
39 Claims
- 1. A drug composition comprising topiramate and a solubilizing agent.
-
17. A dosage form comprising
(a) a-core comprising a first drug composition, a second drug composition and a push layer comprising an osmopolymer, wherein each of the first and second drug compositions comprise topiramate and an independently selected solubilizing agent; -
(b) a semi-permeable wall surrounding the core; and
(c) an exit orifice through the semi-permeable wall for releasing the drug compositions from the dosage form over a prolonged, period of time. - View Dependent Claims (18, 19, 20, 30, 31)
-
-
21. A dosage form comprising:
-
(a) a core comprising a first drug composition, a second drug composition and a push layer comprising an osmopolymer;
(b) a semi-permeable wall surrounding the core; and
(c) an exit orifice through the semi-permeable wall for releasing the first drug composition and the second drug composition from the dosage form over a prolonged period of time;
wherein the first drug composition comprises between about 25% and about 40% by weight of topiramate and between about 25% and about 50% by weight of a surfactant; and
the second drug composition comprises between about 30% and about 50% by weight of topiramate and between about 45% and about 60% by weight of a surfactant. - View Dependent Claims (22, 23)
-
-
24. A dosage form comprising:
-
(a) a core comprising a first drug composition, a second drug composition and a push layer comprising an osmopolymer;
(b) a semi-permeable wall surrounding the core; and
(c) an exit orifice through the semi-permeable wall for releasing the first drug composition and the second drug composition from the dosage form over a prolonged period of time;
wherein the first drug composition comprises between about 5% and about 25% by weight of topiramate and between about 1% and 35% by weight of a surfactant, and the second drug composition comprises between about 10% and about 25% by weight of topiramate and between about 10% and about 35% by weight of a surfactant. - View Dependent Claims (25)
-
Specification