Stabilized thyroid hormone preparations and methods of making same
First Claim
1. A stable, solid dosage form pharmaceutical preparation suitable for the treatment of thyroid disorders, said preparation comprising:
- an effective amount of a thyroxine drug;
a water soluble glucose polymer; and
a partially soluble or insoluble cellulose polymer;
said preparation being stable to the extent that substantially no potency loss is measured when the preparation is stored at 40°
C. and 75% relative humidity for 6 months.
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Accused Products
Abstract
Disclosed are thyroid hormone preparations useful in pharmaceutical applications. These preparations are disclosed to contain thyroxine drugs in combination with an inorganic salt, a carbohydrate having a molecular weight of greater than 500, and glycine. The preparations are also disclosed to have a free water content less than 4.5% by weight of the preparation. Also provided are compositions containing a reduced carbohydrate, a water soluble polysaccharide, or galactose. The preparations have improved stability wherein they are provided as being stable to the extent that substantially no potency loss is measured when the preparation is stored at 40° C. and 75% relative humidity for 3 months.
75 Citations
57 Claims
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1. A stable, solid dosage form pharmaceutical preparation suitable for the treatment of thyroid disorders, said preparation comprising:
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an effective amount of a thyroxine drug; a water soluble glucose polymer; and a partially soluble or insoluble cellulose polymer;
said preparation being stable to the extent that substantially no potency loss is measured when the preparation is stored at 40°
C. and 75% relative humidity for 6 months. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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15. A stable pharmaceutical preparation comprising:
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a. an effective amount of a thyroxine drug; b. a water soluble polysaccharide; and c. a partially soluble or insoluble cellulose polymer. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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48. A stable pharmaceutical preparation comprising:
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a. an effective amount of sodium levothyroxine; b. maltodextrin; and c. microcrystalline cellulose;
wherein the combined weight of the maltodextrin and microcrystalline cellulose is from 50% to 99% of the total weight of the preparation. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57)
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Specification