US11103463 — Methods for treating alzheimer's disease with donepezil transdermal system
Method of Use · Assigned to Corium LLC · Expires 2037-07-26 · 11y remaining
What this patent protects
This patent protects a transdermal delivery system for donepezil hydrochloride used to treat Alzheimer's disease.
USPTO Abstract
A transdermal delivery system for systemic delivery of donepezil is described, where the system comprises an adhesive matrix drug reservoir layer comprised of a copolymer of acrylic acid/vinyl acetate, triethyl citrate, and donepezil base generated in situ by reaction of donepezil HCl and an alkaline salt. The system is provided for treatment of Alzheimer's disease, and achieves transdermal delivery of the therapeutic agent at steady state that is bioequivalent to administration of the therapeutic agent orally.
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-3334 |
— | donepezil-hydrochloride |
U-3334 |
— | donepezil-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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