Patent · US Expired

Method of using diketopiperazines and composition containing them

US6555543B2 · kind B2 · utility

51Cited by
25References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 2, 2001
Grant dateApr 29, 2003
Priority date
Expiry dateAug 2, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention provides a method of inhibiting the effects of platelet activating factor (PAF). For instance, a disease or condition mediated by PAF (particularly inflammation) can be treated or platelet aggregation can be inhibited. The invention also provides a method of inhibiting the production and/or release of interleukin 8 (IL-8) by cells. The effects of PAF and the production and/or release of IL-8 are inhibited according to the invention by a compound of the formula: wherein R1 and R2 are defined in the application, or a physiologically-acceptable salt thereof. The invention also provides pharmaceutical compositions comprising these compounds.

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