EXTENDED RELEASE FORMULATION CONTAINING A WAX
First Claim
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1. An extended release pharmaceutical formulation comprising an extended release portion and an immediate release portion, said extended release portion comprising:
- (a) an active pharmaceutical ingredient (API), and (b) a wax in an amount of about 2% to about 40% by weight of said extended release portion.
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Abstract
Extended release pharmaceutical formulations are disclosed wherein the formulations contain an extended release portion and an immediate release portion, the extended release portion comprising an active pharmaceutical ingredient and a wax. Methods of making such extended release pharmaceutical formulations are also disclosed.
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Citations
29 Claims
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1. An extended release pharmaceutical formulation comprising an extended release portion and an immediate release portion, said extended release portion comprising:
- (a) an active pharmaceutical ingredient (API), and (b) a wax in an amount of about 2% to about 40% by weight of said extended release portion.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- 15. An extended release pharmaceutical composition comprising an extended release portion and an immediate release portion, said extended release portion comprising a wax and ciprofloxacin.
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21. An extended release pharmaceutical formulation comprising:
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a. an extended release portion comprising an API and carnauba wax; and b. an immediate release portion comprising an API; said extended and immediate release portions both comprising the same API. - View Dependent Claims (22, 23, 24)
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25. An extended release pharmaceutical formulation comprising:
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a. an extended release portion comprising ciprofloxacin in an amount of from about 30% to about 70% by weight of said extended release portion;
a wax in the amount of about 6% to about 23% by weight of the extended release portion; and
stearic acid; andb. an immediate release portion comprising ciprofloxacin in an amount of from about 5% to about 80% by weight of said immediate release portion. - View Dependent Claims (26, 27, 28, 29)
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Specification