Oral pharmacological composition including 5-{4-(amino sulfonyl)phenyl}-2,2-dimethyl-4-(3-fluorophenyl)-3(2H)-furanone having crystalline structure with excellent stability
US10413520B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2017 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Jun 22, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/4866
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a pharmaceutical composition including (i) as a major ingredient, a novel 5-{4-(Aminosulfonyl)phenyl}-2,2-dimethyl-4-(3-fluorophenyl)-3(2H)-furanone compound (Formula 1) or a pharmaceutically acceptable salt thereof, which has a crystalline form A or G, or a mixed form thereof and has a 50% volume particle diameter (d(0.5)) of 3 μm to 9 μm and a 90% volume particle diameter (d(0.9)) of 10 μm to 50 μm, (ii) a pharmaceutically acceptable diluent, and (iii) a pharmaceutically acceptable lubricant. The pharmaceutical composition of the present invention has the advantages of good stability, high dissolution rate, improved content uniformity, and excellent pharmacokinetic properties. Due to these advantages, as a non-steroidal anti-inflammatory drug, the pharmaceutical composition of the present invention may be effective in treating inflammation or pain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.