Composition for drug delivery comprising nicotine or a derivative thereof and starch microspheres and method for the manufacturing thereof
US5939100A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1996 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Aug 26, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P21/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A powdery pharmaceutical composition comprising nicotine or a derivative thereof and starch microspheres. The starch microspheres are preferably degradable epichlorhydrin cross-linked starch microspheres. The average diameter of the microspheres is from around 1 .mu.m to around 200 .mu.m, preferably around 45 .mu.m. The invention also encompasses a method for manufacturing a powdery pharmaceutical composition comprising nicotine and starch microspheres. The invention further comprises a method of diminishing the desire of a subject to use tobacco which comprises the step of administering to the subject the above powdery pharmaceutical composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.