Controlled-release tozadenant formulations
US10653699B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2016 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | May 23, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2300/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a controlled-release composition containing tozadenant, at least one cellulose ether, and one or more pharmaceutically acceptable excipients. In the composition, the tozadenant is present in an amount ranging from about 30% (w/w) to about 65% (w/w) based on the total composition weight; and the cellulose ether is present in an amount sufficient to provide: not less than about 10% and not more than about 30% tozadenant dissolution over a 2-hour test period, not less than about 55% tozadenant dissolution over a 10-hour test period, and not less than about 80% tozadenant dissolution over a 16-hour test period. Use of the composition for treatment of Parkinson's disease is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.