Pharmaceutical formulation containing gelling agent
First Claim
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1. A controlled release oral dosage form comprising:
- a therapeutically effective amount of a drug susceptible to abuse together with one or more pharmaceutically acceptable excipients;
said dosage form further including a gelling agent in an effective amount to impart a viscosity unsuitable for administration selected from the group consisting of parenteral and nasal administration to a solubilized mixture formed when the dosage form is crushed and mixed with from about 0.5 to about 10 ml of an aqueous liquid;
said dosage form providing a therapeutic effect for at least about 12 hours when orally administered to a human patient.
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Abstract
Disclosed in certain embodiments is a controlled release oral dosage form comprising a therapeutically effective amount of a drug susceptible to abuse together with one or more pharmaceutically acceptable excipients; the dosage form further including a gelling agent in an effective amount to impart a viscosity unsuitable for administration selected from the group consisting of parenteral and nasal administration to a solubilized mixture formed when the dosage form is crushed and mixed with from about 0.5 to about 10 ml of an aqueous liquid; the dosage form providing a therapeutic effect for at least about 12 hours when orally administered to a human patient.
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Citations
40 Claims
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1. A controlled release oral dosage form comprising:
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a therapeutically effective amount of a drug susceptible to abuse together with one or more pharmaceutically acceptable excipients;
said dosage form further including a gelling agent in an effective amount to impart a viscosity unsuitable for administration selected from the group consisting of parenteral and nasal administration to a solubilized mixture formed when the dosage form is crushed and mixed with from about 0.5 to about 10 ml of an aqueous liquid;
said dosage form providing a therapeutic effect for at least about 12 hours when orally administered to a human patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of preventing abuse of an oral controlled release dosage form of a drug comprising:
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preparing the dosage form with a therapeutically effective amount of a drug susceptible to abuse together with one or more pharmaceutically acceptable excipients;
said dosage form further including a gelling agent in an effective amount to impart a viscosity unsuitable for administration selected from the group consisting of parenteral and nasal administration to a solubilized mixture formed when the dosage form is crushed and mixed with from about 0.5 to about 10 ml of an aqueous liquid;
said dosage form providing a therapeutic effect for at least about 12 hours when orally administered to a human patient. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29)
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30. A controlled release oral dosage form comprising:
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a therapeutically effective amount of a drug susceptible to abuse together with one or more pharmaceutically acceptable excipients;
said dosage form further including a gelling agent in an effective amount to impart a viscosity unsuitable for administration selected from the group consisting of parenteral and nasal administration to a solubilized mixture formed when the dosage form is crushed and mixed with from about 0.5 to about 10 ml of an aqueous liquid and thereafter heated;
said dosage form providing a therapeutic effect for at least about 12 hours when orally administered to a human patient.
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31. A method of preventing abuse of an oral controlled release dosage form of a drug comprising:
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preparing the dosage form with a therapeutically effective amount of a drug susceptible to abuse together with one or more pharmaceutically acceptable excipients;
said dosage form further including a gelling agent in an effective amount to impart a viscosity unsuitable for administration selected from the group consisting of parenteral and nasal administration to a solubilized mixture formed when the dosage form is crushed and mixed with from about 0.5 to about 10 ml of an aqueous liquid and is thereafter heated;
said dosage form providing a therapeutic effect for at least about 12 hours when orally administered to a human patient.
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32. A method of preventing diversion of an oral controlled release dosage form of a drug comprising:
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preparing the dosage form with a therapeutically effective amount of a drug susceptible to abuse together with one or more pharmaceutically acceptable excipients;
said dosage form further including a gelling agent in an effective amount to impart a viscosity unsuitable for administration selected from the group consisting of parenteral and nasal administration to a solubilized mixture formed when the dosage form is crushed and mixed with from about 0.5 to about 10 ml of an aqueous liquid;
said dosage form providing a therapeutic effect for at least about 12 hours when orally administered to a human patient. - View Dependent Claims (33, 34, 35, 36, 37, 38)
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39. A method of treating pain comprising:
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administering to a patient a therapeutically effective amount of an opioid analgesic together with pharmaceutically acceptable excipients such that the dosage form provides effective pain relief for at least about 12 hours when orally administered to a human patient;
said dosage form further including a gelling agent in an effective amount to impart a viscosity unsuitable for injection to a solubilized mixture formed when the dosage form is crushed and mixed with from about 0.5 to about 10 ml of an aqueous liquid.
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40. A controlled release oral dosage form of comprising:
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a therapeutically effective amount of a drug susceptible to abuse together with one or more pharmaceutically acceptable excipients;
and a gelling agent in an effective amount to impart a viscosity unsuitable for nasal absorption of the drug upon administration to the nasal passages after tampering;
said dosage form providing a therapeutic effect for at least about 12 hours when orally administered to a human patient.
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Specification