Pharmaceutical compositions for rectal and vaginal administration
US6576250B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2000 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Sep 19, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2866
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The pharmaceutical compositions of the present invention comprise rectally and vaginally administerable dosage forms that contain effervescent agents as penetration enhancers for drugs. Effervescence occurs in the rectum or vagina, once the dosage form is administered or at a predetermined time following administration. The effervescent agents can be used alone or in combination with pH adjusting substance, which further promote dissolution and absorption of the active ingredient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.