Oral transmucosal delivery
First Claim
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1. An autoadhesive oral transmucosal delivery device which comprises;
- a body formed of a hydrogel capable of absorbing water to achieve a water-content whereat the device autoadheres to an oral mucosal surface;
the hydrogel body being formed of a cross-linked polyurethane;
the hydrogel body comprising a pharmaceutically active agent which is released while the body is adhered to the mucosal surface;
the hydrogel body subsequently detaching from the mucosal surface.
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Abstract
An autoadhesive oral transmucosal delivery device contains a pharmaceutically active agent which is delivered via mucosal tissues in the mouth. The device comprises a dry hydrogel polymer which autoadheres to the moist mucosal surface for a time sufficient for release of active agent to occur before becoming detached.
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Citations
19 Claims
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1. An autoadhesive oral transmucosal delivery device which comprises;
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a body formed of a hydrogel capable of absorbing water to achieve a water-content whereat the device autoadheres to an oral mucosal surface;
the hydrogel body being formed of a cross-linked polyurethane;
the hydrogel body comprising a pharmaceutically active agent which is released while the body is adhered to the mucosal surface;
the hydrogel body subsequently detaching from the mucosal surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification