US9629797 — Parenteral carbamazepine formulation
Method of Use · Assigned to Lundbeck Pharmaceuticals LLC · Expires 2028-11-10 · 2y remaining
What this patent protects
This patent protects a formulation of carbamazepine (Tegretol) that can be administered parenterally using a carbamazepine-cyclodextrin inclusion complex.
USPTO Abstract
The present invention is directed to a carbamazepine-cyclodextrin inclusion complex useful for the parenteral administration of carbamazepine. The carbamazepine-cyclodextrin inclusion complex is prepared by the admixture of a modified cyclodextrin and carbamazepine in a physiologically acceptable fluid. Modified cyclodextrins include 2-hydroxypropyl-beta-cyclodextrin and sulfoalkyl cyclodextrins. More particularly, the sulfoalkyl cyclodextrins are those described and disclosed in U.S. Pat. Nos. 5,134,127 and 5,376,645. A physiologically acceptable fluid includes sterile isotonic water, Ringer's lactate, D5W (5% dextrose in water), physiological saline, and similar fluids suitable for parenteral administration.
Drugs covered by this patent
- Tegretol (carbamazepine) · Novartis AG (originally Geigy)
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-2004 |
— | Tegretol |
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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