Formulation for respiratory tract administration
US6642275B2 · kind B2 · utility
6Cited by
18References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2001 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Aug 16, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dosage form for intranasal and/or inhalation administration of an analgesic having low opioid receptor binding activity to a warm blooded animal, that includes a pharmaceutically effective amount of the analgesic. A preferred analgesic is tramadol, a tramadol and/or a pharmaceutically acceptable salt, metabolite or derivative thereof. Methods of making and using the formulation according to the invention are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.