Interleukin-1 receptor antagonist as therapy for inflammatory disorders

Bradley D. Freeman, Timothy G. Buchman

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

IL-1 is a pivotal mediator of the immune response and has been implicated in inflammatory and infectious diseases. As a consequence, the administration of IL-1 receptor antagonist (H-lra), a recombinantly synthesised endogenous inhibitor of IL-1, has appeal as a therapeutic strategy in these conditions. To date, the largest clinical experiences with IL-lra have been in the setting of sepsis and rheumatoid arthritis (RA). Like other anti-inflammatory agents that target a specific mediator, IL-lra was found to lack efficacy when given in conjunction with standard therapy in patients with sepsis and septic shock. In contrast, recent studies enrolling patients with RA suggest that IL-lra significantly ameliorates disease activity and retards joint destruction. Whether the respective lack of efficacy and success of IL-lra in these two diseases is a result of differences in the pathologic processes involved, or reflects the nature in which the clinical studies were conducted, is unclear. Further, the effectiveness of IL-lra compared to other anticytokine and conventional treatments in RA remains to be clarified. Nonetheless, the recent finding that IL-lra has the ability to favourably influence a chronic inflammatory disease supports the hypothesis that inhibition of a single mediator of the immune response may have clinical impact. 2001

Original languageEnglish
Pages (from-to)301-308
Number of pages8
JournalExpert opinion on biological therapy
Volume1
Issue number2
StatePublished - 2001

Keywords

  • IL-1
  • Il-1 receptor antagonist
  • rheumatoid arthritis
  • sepsis
  • septic shock

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