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Clinical Trial Summary

The purpose of this study is to test whether anakinra is able to reduce insulin resistance.

This will be tested in overweighted type I diabetes mellitus patients, which have no residual beta-cell function. By using this patient group, all positive effects on glycemic control should be the consequence of improved insulin sensitivity.


Clinical Trial Description

Although typically associated with type 2 diabetes, insulin resistance has been documented in Type 1 diabetes. Insulin resistance may also play an important role in the pathophysiology of type 1 diabetes mellitus. Once diabetes has emerged chronically elevated glucose levels further induce insulin resistance (glucose toxicity).

Inflammation is an important link between obesity and insulin resistance. The mechanism of hyperglycemia-induced insulin resistance is not clear, but evidently must be related to high glucose levels. There are indications that chronic hyperglycemia can induce inflammation, for example hyperglycemia induces IL-1β release, and recent studies have shown an interaction with thioredoxin interacting protein (TXNIP), at the level of the beta-cell but also, as found by our own group, at the level of the adipose tissue

All together, these findings suggest that blocking IL-1β-receptor activation by the interleukin-1 receptor antagonist anakinra, may reverse insulin resistance associated both with obesity and/or chronic hyperglycemia. When applied in (hyperglycemic) subjects with type 2 diabetes, blocking IL-1β should diminish the effects of glucose toxicity both at the level of beta-cell function as at the level of insulin sensitivity. When applied in (hyperglycemic) subjects with type 1 diabetes, the effects of glucose toxicity at the level of insulin sensitivity should decrease.

In order to be able to study an isolated effect of IL-1β blockade on insulin sensitivity, this study will test this hypothesis in subjects with type 1 diabetes and hence provide a proof of principle in vivo in humans for a proposed link between hyperglycemia, inflammation and insulin resistance. ;


Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01285245
Study type Interventional
Source Radboud University
Contact Edwin JP van Asseldonk, MD
Phone +31243619857
Email e.vanasseldonk@aig.umcn.nl
Status Recruiting
Phase Phase 2
Start date April 2011
Completion date December 2011

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