Liquid crystal forms of cyclosporin
US6413547B1 · kind B1 · utility
16Cited by
3References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1999 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Feb 11, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1274
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to novel, liquid crystal forms of the cyclic peptide cyclosporin and to novel powder formulations of cyclosporin prepared using this novel liquid crystal form of the drug. Methods for preparing and using these formulations are also provided. In particular, the present invention relates to dispersible spray dried particles of cyclosporin suitable for pulmonary delivery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.