Patent · US Expired

Transmucosal formulations of low molecular weight peptide drugs

US5204108A · kind A · utility

204Cited by
3References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 9, 1990
Grant dateApr 20, 1993
Priority date
Expiry dateApr 9, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/1652
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A drug delivery composition comprising a plurality of microspheres and active drug associated with each microsphere, the drug being for systemic delivery and having a maximum molecular weight of 6000, and the composition being substantially free of an enhancer. The microspheres may be of starch, gelatin or albumin. Suitable drugs include peptides, such as insulin, and antigenic vaccine ingredients. The compositions are suitable for delivery across a mucosal surface such as the vagina, eye or nose.

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