Pharmaceutical formulation containing gelling agent
First Claim
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1. A controlled release oral solid dosage form comprising:
- (i) a first population of particles comprising morphine or a pharmaceutically acceptable salt thereof and(ii) a second population of particles comprising polyethylene oxide,the dosage form providing a therapeutic effect for about 12 hours to about 24 hours when orally administered to a human patient,whereinthe particles of the first population are free from polyethylene oxide,the particles of the second population are coated with a coating comprising a cellulose polymer or an acrylic polymer, andthe coating and the particles of the second population are free from said morphine or pharmaceutically acceptable salt thereof.
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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
7 Claims
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1. A controlled release oral solid dosage form comprising:
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(i) a first population of particles comprising morphine or a pharmaceutically acceptable salt thereof and (ii) a second population of particles comprising polyethylene oxide, the dosage form providing a therapeutic effect for about 12 hours to about 24 hours when orally administered to a human patient, wherein the particles of the first population are free from polyethylene oxide, the particles of the second population are coated with a coating comprising a cellulose polymer or an acrylic polymer, and the coating and the particles of the second population are free from said morphine or pharmaceutically acceptable salt thereof. - View Dependent Claims (2, 3, 4, 5)
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6. A controlled release oral solid dosage form comprising a capsule containing:
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(i) a first population of particles comprising morphine or a pharmaceutically acceptable salt thereof and (ii) a second population of particles comprising polyethylene oxide, the dosage form providing a therapeutic effect for about 12 hours when orally administered to a human patient, wherein the particles of the second population are coated with a coating comprising a cellulose polymer or an acrylic polymer, and the coating and the particles of the second population are free from said morphine or pharmaceutically acceptable salt thereof.
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7. A controlled release oral solid dosage form comprising:
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(i) a first population of particles comprising morphine or a pharmaceutically acceptable salt thereof and (ii) a second population of particles comprising polyethylene oxide, the dosage form providing a therapeutic effect for about 12 hours to about 24 hours when orally administered to a human patient, wherein the particles of the second population are coated with a coating comprising a cellulose polymer or an acrylic polymer, the particles of the first population are free from polyethylene oxide, and the coating and the particles of the second population are free from said morphine or pharmaceutically acceptable salt thereof.
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Specification