Combination dosage form of a mu opioid receptor antagonist and an opioid agent
US11452723B2 · kind B2 · utility
0Cited by
29References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 8, 2021 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Feb 8, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides a solid composition of the peripheral mu opioid antagonist axelopran and a combination dosage form of the mu opioid antagonist axelopran sulfate in an immediate release form and an opioid analgesic agent which may be in an extended release, sustained release, modified release, or controlled release form and methods of preparing such a combination dosage form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.