CONTROLLED DOSE DRUG DELIVERY SYSTEM
First Claim
Patent Images
1. A pharmaceutical composition comprising:
- (a) an immediate release bead comprising at least one amphetamine salt;
(b) a first delayed release bead comprising at least one amphetamine salt; and
(c) a second delayed release bead comprising at least one amphetamine salt;
wherein the first delayed release bead provides pulsed release of the at least one amphetamine salt and the second delayed release bead provides sustained release of the at least one amphetamine salt.
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Abstract
A multiple pulsed dose drug delivery system for pharmaceutically active amphetamine salts, comprising a pharmaceutically active amphetamine salt covered with an immediate-release coating and a pharmaceutically active amphetamine salt covered with an enteric coating wherein the immediate release coating and the enteric coating provide for multiple pulsed dose delivery of the pharmaceutically active amphetamine salt. The product can be composed of either one or a number of beads in a dosage form, including either capsule, tablet, or sachet method for administering the beads.
101 Citations
61 Claims
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1. A pharmaceutical composition comprising:
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(a) an immediate release bead comprising at least one amphetamine salt;
(b) a first delayed release bead comprising at least one amphetamine salt; and
(c) a second delayed release bead comprising at least one amphetamine salt;
wherein the first delayed release bead provides pulsed release of the at least one amphetamine salt and the second delayed release bead provides sustained release of the at least one amphetamine salt. - 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, 28, 29, 30, 31, 32)
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33-58. -58. (canceled)
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59. A pharmaceutical composition comprising:
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at least one amphetamine salt and a pharmaceutically acceptable carrier;
wherein the composition provides an about bioequivalent plasma level of amphetamine in a patient compared to an equivalent amount of at least one amphetamine salt contained in the combination of ADDERALL®
XR and an immediate release amphetamine salt composition when the immediate release composition is administered to the patient about 8 hours after the ADDERALL®
XR. - View Dependent Claims (60, 61)
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Specification