Controlled release by extrusion of solid amorphous dispersions of drugs
US7550158B2 · kind B2 · utility
17Cited by
23References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2004 |
| Grant date | Jun 23, 2009 |
| Priority date | — |
| Expiry date | Mar 11, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/209
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Controlled release dosage forms for low solubility drugs are disclosed wherein an amorphous solid dispersion of the drug is coated with a non-dissolving and non-eroding coating that controls the influx of water to the core so as to cause extrusion of a portion of the core, as well as a method of treating a disease or disorder comprising administering such dosage form to a person.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.