US8808737 — Method of treating pain utilizing controlled release oxymorphone pharmaceutical compositions and instruction on dosing for renal impairment
Method of Use · Assigned to Endo Pharmaceuticals Inc · Expires 2027-06-21 · 1y remaining
What this patent protects
This patent protects a method of treating pain using controlled release oxymorphone pharmaceutical compositions, with instructions for dosing in patients with renal impairment.
USPTO Abstract
The invention pertains to a method of using oxymorphone in the treatment of pain by providing a patient with an oxymorphone dosage form and informing the patient or prescribing physician that the bioavailability of oxymorphone is increased in patients with renal impairment.
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-3085 |
— | oxymorphone-hydrochloride |
U-3085 |
— | oxymorphone-hydrochloride |
U-3085 |
— | oxymorphone-hydrochloride |
U-3085 |
— | oxymorphone-hydrochloride |
U-3085 |
— | oxymorphone-hydrochloride |
U-3085 |
— | oxymorphone-hydrochloride |
U-3085 |
— | oxymorphone-hydrochloride |
U-1598 |
— | oxymorphone-hydrochloride |
U-1598 |
— | oxymorphone-hydrochloride |
U-1598 |
— | oxymorphone-hydrochloride |
U-1598 |
— | oxymorphone-hydrochloride |
U-1598 |
— | oxymorphone-hydrochloride |
U-1598 |
— | oxymorphone-hydrochloride |
U-1598 |
— | oxymorphone-hydrochloride |
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.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.