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Clinical Trial Summary

Initiation of ULT for gout increases the occurrence of acute gouty arthritis flares due to mobilization of urate from tissue deposits. IL-1β plays a key role in mediating the inflammatory response in gouty arthritis. The efficacy of IL-1β blockade in the prophylaxis of gouty flares during initiation of ULT has been validated in multiple trials of IL-1β inhibitor therapies. Therefore, it is believed that IL-1β is a relevant therapeutic target for gout flares. AC-201 is an IL-1β modulator indicated for the treatment of osteoarthritis with good safety record and very few contraindications to the co-morbidities commonly among gout patients. AC-201 has also been demonstrated to have uric acid-lowering effects in clinical trials. The favorable product profile of AC-201 overall provides a strong rationale for investigating its clinical utility as prophylaxis against flares when initiating ULT.


Clinical Trial Description

Clinical trials have demonstrated that anti-IL-1 agents (IL-1Ra, IL-1 Trap, and anti-IL-1β monoclonal antibody) can reduce the frequency of gout flares during the initial period of treatment with urate-lowering therapy and prevent of gout flares in gout patients with frequent flares. AC-201 is an oral IL-1 modulator but with a mechanism distinct from that of existing anti-IL-1 agents. The active metabolite of AC-201 has been shown in vitro and in vivo to inhibit the production and activity of IL-1, down-regulate IL-1 receptors, and increase IL1-Ra. Molecular research further suggests that these effects are mediated upstream via inhibition of MAPK signaling pathways and binding of NF-κB and AP-1 transcription factors that encode for a range of pro-inflammatory factors, including IL-1β, TNF-α, IL-6, IL-8, iNOS, and MMPs, which have been implicated in gout flares. AC-201 has also been demonstrated to have uric acid-lowering effects in clinical trials. The favorable product profile of AC-201 overall provides a strong rationale for investigating its clinical utility as prophylaxis against flares when initiating ULT. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT01712204
Study type Interventional
Source TWi Biotechnology, Inc.
Contact
Status Completed
Phase Phase 2
Start date January 2013
Completion date September 2013

See also
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