Claims
- 1. A method for providing a drug to a patient during the morning hours, comprising:administering to the patient at bedtime a dosage form for the delayed-delivery of the drug, the dosage form comprising (1) a core including a drug useful in the treatment of hypertension or angina, and (2) a layer substantially surrounding the core, the layer comprising hydroxyethylcellulose having a molecular weight of 8500 to 4,000,000; the layer delaying the release of the drug from the core until the morning hours dependent upon the weight of the layer to permit delivery of the drug at waking hours and to treat hypertension or angina in the patient.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation of U.S. Ser. No. 08/036,648 filed Mar. 24, 1993 U.S. Pat. No. 6,146,662; which is a continuation of U.S. Ser. No. 07/971,011 filed Nov. 2, 1992 U.S. Pat. No. 5,252,338; which application is a continuation of U.S. application Ser. No. 07/799,451, filed on Nov. 26, 1991, now U.S. Pat. No. 5,190,765 issued Mar. 2, 1993, which application Ser. No. 07/799,451 is a continuation-in-part of U.S. Ser. No. 07/722,622 filed Jun. 27, 1991, now U.S. Pat. No. 5,160,744 issued Nov. 3, 1992, which applications are incorporated herein by reference and benefits are claimed of their filing dates. These applications are assigned to the ALZA Corporation of California.
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Continuations (3)
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Number |
Date |
Country |
Parent |
08/036648 |
Mar 1993 |
US |
Child |
09/023574 |
|
US |
Parent |
07/971011 |
Nov 1992 |
US |
Child |
08/036648 |
|
US |
Parent |
07/799451 |
Nov 1991 |
US |
Child |
07/971011 |
|
US |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
07/722622 |
Jun 1991 |
US |
Child |
07/799451 |
|
US |