Patent · US Expired

Temperature sensitive gel for sustained delivery of protein drugs

US5861174A · kind A · utility

54Cited by
31References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 1996
Grant dateJan 19, 1999
Priority date
Expiry dateJul 12, 2016

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K47/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Pharmaceutical compositions for the delivery of pharmacologically active proteins are provided by the present invention. The compositions of the present invention comprise a polymeric matrix having thermal gelation properties in which is incorporated a discrete suspension of at least one biologically active macromolecular polypeptide which retains greater than 90 percent of its biological activity. Furthermore, the concentration of the macromolecular polypeptide is greater than 0.5 percent by weight of the composition.

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