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Last Updated: March 28, 2024

Details for Patent: 6,919,373


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Title: Methods and devices for providing prolonged drug therapy
Abstract:Methods and devices for maintaining a desired therapeutic drug effect over a prolonged therapy period are provided. In particular, oral dosage forms that release drug within the gastrointestinal tract at an ascending release rate over an extended time period are provided. The dosage forms may additionally comprise an immediate-release dose of drug.
Inventor(s): Lam; Andrew C. (South San Francisco, CA), Shivanand; Padmaja (Mountain View, CA), Ayer; Atul D. (Palo Alto, CA), Weyers; Richard G. (Los Altos, CA), Gupta; Suneel K. (Sunnyvale, CA), Guinta; Diane R. (Palo Alto, CA), Christopher; Carol A. (Belmont, CA), Saks; Samuel R. (Burlingame, CA), Hamel; Lawrence G. (Mountain View, CA), Wright; Jeri D. (Dublin, CA), Hatamkhany; Zahedeh (San Jose, CA)
Assignee: Alza Corporation (Mountain View, CA)
Filing Date:Feb 19, 1999
Application Number:09/253,317
Claims:1. A method for treating ADD or ADHD comprising administering a dosage form comprising methylphenidate that provides a release of methylphenidate at an ascending release rate over an extended period of time.

2. The method of claim 1 wherein said administration results in a substantially ascending methylphenidate plasma drug concentration over a time period of about 4 hours following said administration.

3. The method of claim 1 wherein said administration results in a substantially ascending methylphenidate plasma drug concentration over a time period of about 4 to about 5.5 hours following said administration.

4. The method of claim 1 wherein said administration results in a substantially ascending methylphenidate plasma drug concentration over a time period of about 4 to about 8 hours following said administration.

5. The method of claim 1 wherein said administration results in a substantially ascending methylphenidate plasma drug concentration over a time period of about 4 to about 9.5 hours following said administration.

6. The method of claim 1 wherein said administration results in a substantially ascending methylphenidate plasma drug concentration over a time period of about 5.5 hours following said administration.

7. The method of claim 1 wherein said administration results in a substantially ascending methylphenidate plasma drug concentration over a time period of about 8 hours following said administration.

8. The method of claim 1 wherein said administration results in a substantially ascending methylphenidate plasma drug concentration over a time period of about 9.5 hours following said administration.

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