Bioerodable film for delivery of pharmaceutical compounds of mucosal surfaces
First Claim
1. A biodegradable, water-soluble pharmaceutical carrier device comprising a layered flexible film having a first water-soluble adhesive layer to be placed in contact with the mucosal surface and a second, water-soluble non-adhesive backing layer, and a pharmaceutical or combination of pharmaceuticals incorporated with said first or second layer, wherein said first water-soluble adhesive layer comprises hydroxyethyl cellulose, polyacrylic acid, and sodium carboxymethyl cellulose;
- and said second water-soluble non-adhesive backing layer comprises hydroxyethyl cellulose.
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Abstract
The present invention relates to water-soluble, bioerodable pharmaceutical delivery device for application to mucosal surfaces. The device comprises an adhesive layer and a non-adhesive backing layer, and the pharmaceutical may be provided in either or both layers. Upon application, the device adheres to the mucosal surface, providing drug delivery and protection to the treatment site.
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Citations
27 Claims
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1. A biodegradable, water-soluble pharmaceutical carrier device comprising a layered flexible film having a first water-soluble adhesive layer to be placed in contact with the mucosal surface and a second, water-soluble non-adhesive backing layer, and a pharmaceutical or combination of pharmaceuticals incorporated with said first or second layer, wherein said first water-soluble adhesive layer comprises hydroxyethyl cellulose, polyacrylic acid, and sodium carboxymethyl cellulose;
- and said second water-soluble non-adhesive backing layer comprises hydroxyethyl cellulose.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
Specification