Patent · US Expired

Methods and devices for providing prolonged drug therapy

US6919373B1 · kind B1 · utility

264Cited by

60References

8Claims

0Family size

Assignee

ALZA CORPORATION · US

Inventors

Andrew Lam · South San Francisco, US
Padmaja Shivanand · Mountain View, US
Atul D. Ayer · Palo Alto, US
Richard G. Weyers · Los Altos, US
Suneel Gupta · Sunnyvale, US
Diane R. Guinta · Palo Alto, US
Carol A. Christopher · Belmont, US
Samuel R. Saks · Palo Alto, US
Lawrence G. Hamel · Palo Alto, US
Jeri D. Wright · Dublin, US
Zahedeh Hatamkhany · San Jose, US

Key dates

Filing date	Feb 19, 1999
Grant date	Jul 19, 2005
Priority date	—
Expiry date	Feb 19, 2019

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K31/4458
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.