Patent · US Expired

Process for improving the therapeutic efficacy of fat-soluble corticosteroids and composition for carrying out this process

US5190936A · kind A · utility

15Cited by
2References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 1990
Grant dateMar 2, 1993
Priority date
Expiry dateJun 13, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P29/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The process consists in dissolving a corticosteroid in the lipid phase of nonionic amphiphilic lipid vesicles consisting of one or more lipid lamellae. Composition for carrying out the above process, in which the vesicles are dispersed in an aqueous phase D, have an average diameter of between 10 and 5,000 nm and contain as corticosteroids 17- and/or 21-mono- or -diesters of hydrocortisone, cortisone, prednisone, prednisolone or 6-methylprednisolone, the corticosteroids representing 0.5 to 2.5% by weight of the total lipids of the lamellae.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.