Controlled release of drugs delivered by sublingual or buccal administration
First Claim
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1. A composition providing a relatively slow release of water-soluble drugs by sublingual route and consisting essentially of:
- a water-soluble drug which is a member of the group consisting of apomorphine hydrochloride, albuterol sulfate, timolol maleate, verapamil hydrochloride and naloxone hydrochloride;
an osmotic agent;
a swellable hydrophilic carrier;
and a water dispersible polymer;
the composition having a T90 value in the range of more than about 25 to about 300; and
the composition having the ratio of the amount by weight of the osmotic agent to the amount by weight of the swellable hydrophilic carrier in the range of about 0.3 to about 4.
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Abstract
A composition providing a relatively slow release of water-soluble drugs, such as apomorphine, for delivery via the sublingual or buccal routes.
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22 Claims
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1. A composition providing a relatively slow release of water-soluble drugs by sublingual route and consisting essentially of:
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a water-soluble drug which is a member of the group consisting of apomorphine hydrochloride, albuterol sulfate, timolol maleate, verapamil hydrochloride and naloxone hydrochloride; an osmotic agent; a swellable hydrophilic carrier; and a water dispersible polymer; the composition having a T90 value in the range of more than about 25 to about 300; and the composition having the ratio of the amount by weight of the osmotic agent to the amount by weight of the swellable hydrophilic carrier in the range of about 0.3 to about 4. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification