US12233033 — Amantadine compositions, preparations thereof, and methods of use
Method of Use · Assigned to Adamas Pharma LLC · Expires 2038-08-23 · 12y remaining
What this patent protects
This patent protects oral pharmaceutical compositions of amantadine, including extended release versions, with reduced gastrointestinal side effects and sleep disturbances.
USPTO Abstract
Provided herein are oral pharmaceutical compositions comprising amantadine, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable excipient, and which have a low level of organic solvent. Provided are also methods of orally administrating a composition comprising amantadine, or a pharmaceutically acceptable salt thereof, to a subject, which has reduced gastrointestinal side effects or sleep disturbances. Further provided are extended release oral compositions comprising amantadine, or a pharmaceutically acceptable salt thereof, that are suitable for once daily administration.
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-2106 |
— | amantadine-hydrochloride |
U-2224 |
— | amantadine-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.
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