US8778373 — Methods for controlled release oral dosage of a vitamin D compound
Method of Use · Assigned to Opko IP Holdings II Inc · Expires 2028-04-25 · 2y remaining
What this patent protects
This patent protects a method for preparing a controlled release oral dosage form of a vitamin D compound by incorporating it into a mixture of waxy materials.
USPTO Abstract
A stable, controlled release formulation for oral dosing of vitamin D compounds is disclosed. The formulation is prepared by incorporating one or more vitamin D compounds into a solid or semi-solid mixture of waxy materials. Oral dosage forms can be prepared by melt-blending the components described herein and filling gelatin capsules with the formulation.
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-1873 |
— | Rayaldee |
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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