EP Patent

EP0852233A1 — Cyclosporin phosphate derivatives and medicinal composition

Assigned to Nippon Shinyaku Co Ltd · Expires 1998-07-08 · 28y expired

What this patent protects

The invention provides a novel cyclosporin compound which is water-soluble, improved in the amount of absorption and absorption rate after oral administration, with low nephrotoxicity, and a pharmaceutical composition comprising the same compound. The compound of the invent…

USPTO Abstract

The invention provides a novel cyclosporin compound which is water-soluble, improved in the amount of absorption and absorption rate after oral administration, with low nephrotoxicity, and a pharmaceutical composition comprising the same compound. The compound of the invention includes such cyclosporin phosphate derivatives as [phosphonothreonine 2 ]cyclosporin A, [phosphono-4-hydroxynorvaline 2 ]cyclosporin A, [phosphono-D-serine 8 ]cyclosporin A, [phosphonothreonine 2 , phosphono-D-serine 8 ]cyclosporin A, etc. or salts thereof, and solvates thereof.

Drugs covered by this patent

Patent Metadata

Patent number
EP0852233A1
Jurisdiction
EP
Classification
—
Expires
1998-07-08
Drug substance claim
No
Drug product claim
No
Assignee
Nippon Shinyaku Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

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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