Extended release formulation of Levetiracetam
US7863316B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2006 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Nov 2, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2077
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to extended release pharmaceutical compositions of Levetiracetam and processes for preparing the same. The extended release tablet of Levetiracetam is with a core comprising of Levetiracetam and water dispersible rate controlling polymer, and the tablet core is optionally functional coated comprising a combination of water non-dispersible and/or water dispersible polymer. It provides extended therapeutically effective plasma levels over a twenty four hour period with diminished incidences of neuropsychiatric adverse events by eliminating the troughs and peaks of drug concentration in a patient's blood plasma. The composition also exhibits no food effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.