US9375404 — Formulation of doxylamine and pyridoxine and/or metabolites or salts thereof
Method of Use · Assigned to Duchesnay Inc · Expires 2033-02-18 · 7y remaining
What this patent protects
This patent protects a dual-release oral dosage system containing doxylamine and/or its derivatives, and pyridoxine, for improved pharmacokinetic profile.
USPTO Abstract
A dual release oral dosage system/dosage form comprising an immediate release component/composition and a delayed release component/composition is described. Each of the immediate release component/composition and delayed release component/composition comprises one or more of doxylamine, an analog thereof, a derivative thereof, a prodrug thereof, a metabolite thereof and/or a salt thereof, and one or more of pyridoxine, a salt thereof, a metabolite thereof and/or a salt of the metabolite. The dual release oral dosage system/dosage form exhibits an improved pharmacokinetic profile relative to the current Diclectin® formulation and is useful for example for the alleviation of the symptoms of nausea and vomiting, for example in the case of nausea and vomiting in pregnancy (NVP).
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-1382 |
— |
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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