Sustained-release gel coated compositions
First Claim
Patent Images
1. An oral pharmaceutical dosage form comprising an active agent and a sustained-release coating disposed about the active agent, wherein the sustained-release coating comprises a pharmaceutically acceptable mixture of gelatin and hydrophobic polymer, and the hydrophobic polymer is present in an amount of at least 20% based on the total weight of the coating, wherein said dosage form provides sustained release of said active agent over at least 8 hours.
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Abstract
Disclosed in certain embodiments is a coating comprising a pharmaceutically acceptable mixture of gelatin and hydrophobic polymer.
100 Citations
77 Claims
- 1. An oral pharmaceutical dosage form comprising an active agent and a sustained-release coating disposed about the active agent, wherein the sustained-release coating comprises a pharmaceutically acceptable mixture of gelatin and hydrophobic polymer, and the hydrophobic polymer is present in an amount of at least 20% based on the total weight of the coating, wherein said dosage form provides sustained release of said active agent over at least 8 hours.
- 2. An oral pharmaceutical dosage form comprising an active agent and a sustained-release coating disposed about the active agent, wherein the sustained-release coating comprises a pharmaceutically acceptable mixture of gelatin and acrylic polymer.
- 3. An oral pharmaceutical dosage form comprising a plurality of inert beads, a first layer comprising an active agent disposed about the inert beads, and a second layer comprising a sustained-release coating comprising a pharmaceutically acceptable mixture of gelatin and hydrophobic polymer disposed about the first layer.
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40. An oral pharmaceutical dosage form comprising an inert core, a first layer and a second layer, the first layer being between the core and the second layer, the first layer comprising naltrexone hydrochloride and the second layer comprising a sustained release coating comprising a mixture of gelatin and hydrophobic polymer.
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41. An oral pharmaceutical dosage form comprising an inert core, a first layer, a second layer and a third layer, the first layer being between the core and the second layer, the second layer being between the first layer and the third layer, the first layer comprising naltrexone hydrochloride, the second layer comprising hydrophobic polymer and the third layer comprising a sustained-release coating comprising a mixture of gelatin and hydrophobic polymer.
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42. An oral pharmaceutical dosage form comprising about 10 mg oxycodone hydrochloride, less than about 5.0 mg naltrexone hydrochloride and a sustained-release coating comprising a mixture of gelatin and hydrophobic polymer.
- 43. An oral pharmaceutical dosage form comprising a first component comprising about 10 mg oxycodone hydrochloride, and a second component comprising less than about 5.0 mg naltrexone hydrochloride and a sustained-release coating comprising a mixture of gelatin and hydrophobic polymer.
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44. An oral pharmaceutical dosage form comprising about 20 mg oxycodone hydrochloride, less than about 5.0 mg naltrexone hydrochloride and a sustained-release coating comprising a mixture of gelatin and hydrophobic polymer.
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45. An oral pharmaceutical dosage form comprising a first component comprising about 20 mg oxycodone hydrochloride, and a second component comprising less than about 5.0 mg naltrexone hydrochloride and a sustained-release coating comprising a mixture of gelatin and hydrophobic polymer.
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46. An oral pharmaceutical dosage form comprising about 40 mg oxycodone hydrochloride, less than about 5.0 mg naltrexone hydrochloride and a sustained-release coating comprising a mixture of gelatin and hydrophobic polymer.
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47. An oral pharmaceutical dosage form comprising a first component comprising about 40 mg oxycodone hydrochloride, and a second component comprising less than about 5.0 mg naltrexone hydrochloride and a sustained-release coating comprising a mixture of gelatin and hydrophobic polymer.
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50. An oral pharmaceutical dosage form comprising about 5-20 mg hydrocodone bitartrate, less than about 5.0 mg naltrexone hydrochloride and a sustained-release coating comprising a mixture of gelatin and hydrophobic polymer.
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51. An oral pharmaceutical dosage form comprising a first component comprising about 5-20 mg hydrocodone bitartrate, and a second component comprising less than about 5.0 mg naltrexone hydrochloride and a sustained-release coating comprising a mixture of gelatin and hydrophobic polymer.
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52. An oral pharmaceutical dosage form comprising a sustained release substrate comprising a matrix comprising an opioid agonist;
- and a sustained-release coating comprising a mixture of gelatin and a hydrophobic polymer disposed about said substrate.
- View Dependent Claims (53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65)
- 66. An oral pharmaceutical dosage form comprising a plurality of inert beads, a first layer comprising an active agent selected from the group consisting of an opioid agonist, an opioid antagonist and a mixture thereof, said active agent disposed about the inert beads, a second layer comprising a hydrophobic polymer disposed about the first layer, and a third layer comprising a sustained-release coating comprising gelatin disposed about the second layer.
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67. An oral pharmaceutical dosage form comprising a plurality of matrices comprising an active agent selected from the group consisting of an opioid agonist, an opioid antagonist and a mixture thereof, said active agent at least partially interdispersed in a hydrophobic polymer;
- and a layer comprising a sustained-release coating comprising a mixture of gelatin and a hydrophobic polymer disposed about said matrices.
Specification