Transdermal administration of oxybutynin
US5500222A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1995 |
| Grant date | Mar 19, 1996 |
| Priority date | — |
| Expiry date | Feb 15, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to the transdermal administration of oxybutynin together with a suitable permeation enhancer. The invention includes a transdermal drug delivery device comprising a matrix adapted to be placed in oxybutynin- and permeation enhancer-transmitting relation with the skin site. The matrix contains sufficient amounts of a permeation enhancer and of oxybutynin, in combination, to continuously administer to the skin for a predetermined period of time the oxybutynin to provide an effective therapeutic result. The invention is also directed to a method for the transdermal administration of a therapeutically effective amount of oxybutynin together with a skin permeation-enhancing amount of a suitable permeation enhancer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.