US9925147 — Method for treating secondary hyperparathyroidism in CKD
Method of Use · Assigned to Opko Ireland Global Holdings Ltd · Expires 2028-04-25 · 2y remaining
What this patent protects
This patent protects a method for treating secondary hyperparathyroidism in patients with chronic kidney disease using a controlled release formulation of vitamin D compounds.
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-2258 |
— | 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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