Finding a Place for Interleukin-1 Inhibitors in the Treatment of Rheumatologic Diseases

E-ISSN： 1873-4286|21|17|2198-2205

ISSN： 1381-6128

Source： Current Pharmaceutical Design, Vol.21, Iss.17, 2015-05, pp. : 2198-2205

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Abstract

Interleukin-1 inhibitors were tested in large arthritis trials with less than impressive results, despite having convincing disease expression data and pre-clinical animal model supporting the potential pathogenic role of this cytokine in these settings. Despite disappointing beginnings, some IL-1 pathway blocking drugs are now beginning to find a place in the pharmacopoeia of rheumatologists. Drug developers utilised rapidly growing understanding of the molecular pathway and the genetic basis of key diseases to seek out conditions in which IL-1 pathway activation was much more likely to have a pivotal role in disease pathogenesis compared to the major arthritides. This review details the crucial advances in understanding of the IL-1 pathway activation which enabled this progress, particularly the advent of inflammasome biology. The drug development of IL-1 biologics in rheumatological diseases makes a fascinating case study illustrating major changes in drug development strategy encompassing closer synergies between translational biology, underlying molecular pathophysiology of disease, and novel clinical development pathways of biologic therapeutics.