Gastroretentive drug delivery system comprising an extruded hydratable polymer
US8586083B2 · kind B2 · utility
26Cited by
13References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 4, 2009 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Jun 6, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
According to the present invention there is provided a pharmaceutical product for retention in the stomach. The product is produced by extrusion. The use of extrusion enables the product to take many useful forms. The product may comprise a sheet of hydratable polymer, the hydrated sheet being of a size which will not pass out of the stomach, for example a shaped sheet or a roll. The product may also comprise a scaled hollow tubular extrudate, for example a tube scaled at both ends. The product may comprise a filled capsule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.