Pharmaceutical composition which reduces or eliminates drug abuse potential
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Abstract
A pharmaceutical composition which reduces or eliminates the drug abuse potential of central nervous system stimulant comprising: (a) a drug selected from the group consisting of methylphenidate, amphetamine, methamphetamine, and combinations thereof; and (b) a gel forming polymer wherein the gel forming polymer is a polymer that forms a gel when contacted with moisture or placed in an aqueous solution. The present invention is based on the discovery that a central nervous system stimulant such as methylphenidate in combination with a gel forming polymer reduces or eliminates drug abuse potential by swelling in the presence of moisture, and thus, preventing nasal absorption and injectability of the drug.
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Citations
39 Claims
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1-23. -23. (canceled)
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24. A pharmaceutical composition which reduces or eliminates the drug abuse potential of central nervous system stimulant comprising:
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a) a drug selected from the group consisting of methylphenidate, amphetamine, methamphetamine, and combinations thereof; and
b) a gel forming polymer wherein the gel forming polymer is a polymer that forms a gel when contacted with moisture or placed in an aqueous solution. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A method for the reduction or elimination of the drug abuse potential of central nervous system stimulants by subjects in need of central nervous system stimulation therapy by providing said subjects with a composition comprising
(a) a drug selected from the group consisting of methylphenidate, amphetamine, methamphetamine, and combinations thereof; - and
(b) a gel forming polymer wherein the gel forming polymer is a polymer that forms a gel when contacted with moisture or placed in an aqueous solution.
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Specification