Claims for Patent: 5,200,196
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Summary for Patent: 5,200,196
| Title: | Improvement in pulsed drug therapy |
| Abstract: | A dosage form comprising (1) an immediately available dose of a beneficial drug followed by a timed delayed dose of drug, or (2) a timed delayed dose of drug. |
| Inventor(s): | Ayer; Atul D. (Palo Alto, CA), Theeuwes; Felix (Los Altos, CA), Wong; Patrick S. L. (Palo Alto, CA) |
| Assignee: | ALZA Corporation (Palo Alto, CA) |
| Application Number: | 07/640,469 |
| Patent Claims: |
1. An improvement in a chronological dosage form for delivering a beneficial drug to a drug recipient, wherein the dosage form comprises:
(a) a wall comprising at least in part a composition permeable to the passage of fluid, which wall surrounds and forms; (b) a compartment; (c) a drug formulation in the compartment; (d) at least one exit means in the wall for delivering the drug from the dosage form, and wherein the improvement comprises: (e) means in the compartment for delaying the delivery of drug from the dosage form, which means comprises a drug-free 0.1 mm to 10 mm thick lamina that delays the delivery of drug for up to 12 hours and surrounds the drug formulation for providing drug at a delayed time for therapy int he recipient. |
