Oral morphine multiparticulate formulation
US6066339A · kind A · utility
78Cited by
35References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1997 |
| Grant date | May 23, 2000 |
| Priority date | — |
| Expiry date | Nov 25, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An oral morphine multiparticulate formulation for once-daily administration to a patient, comprising sustained release particles each having a core containing water soluble morphine and an osmotic agent, the core being coated with a rate-controlling polymer coat comprised of ammonio methacrylate copolymers in an amount sufficient to achieve therapeutically effective plasma levels of morphine over at least 24 hours in the patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.