Uniform drug delivery therapy
First Claim
Patent Images
1. A dosage form for the delivery of a drug, wherein the dosage form comprises:
- (a) a drug composition;
(b) a dose of drug comprising a size of less than 150 μ
m in the drug composition;
(c) a hydrophilic polymer comprising a size of less than 250 μ
m in the drug composition;
(d) a coat that surrounds the drug composition comprising means for delaying release of drug from the drug composition;
(e) a wall comprising a composition that surrounds the coat; and
(f) means in the dosage form for delivering the drug from the dosage form;
wherein said drug is verapamil hydrochloride; and
wherein the dosage form releases said verapamil hydrochloride at a rate having a percentage deviation of not more than 5% from the mean release rate over a prolonged period of time.
1 Assignment
0 Petitions
Accused Products
Abstract
The invention disclosed pertains to a novel delivery system comprising an agent formulation and means for dispensing the agent formulation from the delivery system.
-
Citations
1 Claim
-
1. A dosage form for the delivery of a drug, wherein the dosage form comprises:
-
(a) a drug composition;
(b) a dose of drug comprising a size of less than 150 μ
m in the drug composition;
(c) a hydrophilic polymer comprising a size of less than 250 μ
m in the drug composition;
(d) a coat that surrounds the drug composition comprising means for delaying release of drug from the drug composition;
(e) a wall comprising a composition that surrounds the coat; and
(f) means in the dosage form for delivering the drug from the dosage form;
wherein said drug is verapamil hydrochloride; and
wherein the dosage form releases said verapamil hydrochloride at a rate having a percentage deviation of not more than 5% from the mean release rate over a prolonged period of time.
-
Specification