US8741885 — Gastric retentive extended release pharmaceutical compositions
Method of Use · Assigned to Mallinckrodt LLC · Expires 2032-05-16 · 6y remaining
What this patent protects
This patent protects extended release pharmaceutical compositions that exhibit gastric retentive properties when containing an opioid and another active ingredient.
USPTO Abstract
The present disclosure provides extended release pharmaceutical compositions comprising an opioid and an additional active pharmaceutical ingredient, wherein the composition exhibits gastric retentive properties which are achieved by a combination of a physical property of the composition and release of the opioid, wherein upon administration to a subject, the composition has at least one pharmacokinetic parameter that differs by less than about 30% when the subject is in a fasted state as compared to a fed state.
Drugs covered by this patent
FDA Patent Use Codes
When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.
| Code | Description | Drug |
|---|---|---|
U-1499 |
— | chembl-chembl112 |
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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