Colonic drug delivery composition
US6228396A · kind A · utility
36Cited by
15References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 1997 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Feb 10, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/4891
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A colonic drug delivery composition is provided and comprises a starch capsule containing a drug, the starch capsule being provided with a coating such that the drug will only be released from the capsule in the colon. The coating may be a pH sensitive material, a redox sensitive material, or a material broken down by specific enzymes or bacteria present in the colon. The drug to be delivered may be one for local action in the colon or a systemically active drug to be absorbed from the colon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.