Bioadhesive pharmaceutical delivery system
First Claim
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1. A solid or semi-solid bioadherent, orally ingestible system, which comprises:
- a water-in-oil system having at least two phases, one phase comprises from about 25% to about 75% by volume of an internal hydrophilic phase wherein the hydrophilic phase is selected from the group consisting of water, glycerine, sorbitol solutions, sugar syrups, polymer solutions and mixtures thereof, and the other phase comprises from about 25% to about 75% by volume of an external hydrophobic phase, wherein the external hydrophobic phase is comprised of three components, a) one component being about 5% to about 50% of an emulsifier, b) a second component being about 10% to about 75% of a mixture of glyceride esters of long chain fatty acids and c) a third component being about 10% to about 50% of a wax material.
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Abstract
A solid or semi-solid bioadherent, orally ingestible drug delivery system containing a water-in-oil system having at least two phases, one phase comprises from about 25% to about 75% by volume of an internal hydrophilic phase and the other phase comprises from about 25% to about 75% by volume of an external hydrophobic phase and wherein the external hydrophobic phase is comprised of three components, a) an emulsifier, b) a glyceride ester and c) a wax material.
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Citations
43 Claims
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1. A solid or semi-solid bioadherent, orally ingestible system, which comprises:
- a water-in-oil system having at least two phases, one phase comprises from about 25% to about 75% by volume of an internal hydrophilic phase wherein the hydrophilic phase is selected from the group consisting of water, glycerine, sorbitol solutions, sugar syrups, polymer solutions and mixtures thereof, and the other phase comprises from about 25% to about 75% by volume of an external hydrophobic phase, wherein the external hydrophobic phase is comprised of three components, a) one component being about 5% to about 50% of an emulsifier, b) a second component being about 10% to about 75% of a mixture of glyceride esters of long chain fatty acids and c) a third component being about 10% to about 50% of a wax material.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for treating an oral or esophageal disorder or absorption of an active material for its systemic effect, which comprises:
- administering orally a therapeutically effective amount of a solid or semi-solid bioadherent, orally ingestible system, which comprises;
a water-in-oil system having at least two phases, one phase comprises from about 25% to about 75% by volume of an internal hydrophilic phase wherein the hydrophilic phase is selected from the group consisting of water, glycerine, sorbitol solutions, sugar syrups, polymer solutions and mixtures thereof, and the other phase comprises from about 25% to about 75% by volume of an external hydrophobic phase, and wherein the external hydrophobic phase comprises three components, a) one component being about 5% to about 50% of an emulsifier, b) a second component being about 0% to about 75% of a mixture of glyceride esters of long chain fatty acids and c) a third component being about 10% to about 50% of a wax material. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
- administering orally a therapeutically effective amount of a solid or semi-solid bioadherent, orally ingestible system, which comprises;
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22. A medicated chewing gum composition, which comprises:
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a) a gum base in an amount sufficient to form a chewing gum composition; b) effective amounts of chewing gum additives to soften the gum base; and c) an effective amount of an active pharmaceutical composition dispersed within a water-in-oil emulsion system having at least two phases, one phase comprises from about 25% to about 75% by volume of an internal hydrophilic phase wherein the hydrophilic phase is selected from the group consisting of water, glycerine, sorbitol solutions, sugar syrups, polymer solutions and mixtures thereof, and the other phase comprises from about 25% to about 75% by volume of an external hydrophobic phase, wherein the external hydrophobic phase is comprised of three components, a) one component being about 5% to about 50% of an emulsifier, b) a second component being about 10% to about 75% of a mixture of glyceride esters of long chain fatty acids and c) a third component being about 10% to about 50% of a wax material. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A medicated confectionery composition, which comprises:
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a) a confectionery composition; and b) an effective amount of an active pharmaceutical composition dispersed within a water-in-oil emulsion system having at least two phases, one phase comprises from about 25% to about 75% by volume of an internal hydrophilic phase wherein the hydrophilic phase is selected from the group consisting of water, glycerine, sorbitol solutions, sugar syrups, polymer solutions and mixtures thereof, and the other phase comprises from about 25% to about 75% by volume of an external hydrophobic phase, wherein the external hydrophobic phase is comprised of three components, a) one component being about 5% to about 50% of an emulsifier, b) a second component being about 10% to about 75% of a mixture of glyceride esters of long chain fatty acids and c) a third component being about 10% to about 50% of a wax material. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification