US Patent
US9549918 — Stabilized tacrolimus composition
Formulation · Assigned to Veloxis Pharmaceuticals AS · Expires 2028-05-30 · 2y remaining
Vulnerability score
55/100
Moderate — design-around opportunities exist
What this patent protects
This patent protects a stable pharmaceutical composition of tacrolimus, a solid dispersion in a vehicle with a stabilizing agent that prevents degradation.
USPTO Abstract
The invention relates to a stable pharmaceutical composition comprising comprising a solid dispersion of tacrolimus in a vehicle further comprising a stabilizing agent capable of providing a pH below 7 in the composition, as measured after re-dispersion in water, and preventing or reducing the formation upon storage of major degradation products of tacrolimus, in particular the 8-epitacrolimus.
Drugs covered by this patent
- Prograf (TACROLIMUS) · Astellas Pharma
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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