The really serious infection rate was 5. 0 per one hundred patient years, related to that for etanercept, iniximab, and adalimumab.
Abatacept was AG-1478 approved in the United States and Europe in 2005 for treatment of RA in adult patients with an inadequate response to DMARDs or TNF inhibitors. In January 2010 it was approved in Europe for moderate to severe active polyarticular juvenile idiopathic ALK Inhibitor arthritis in patients 6 years of age and older. Because abatacept was the rst therapy targeting the inhibition of co stimulatory signals to prevent T cell activation, its use in early disease and in biologicnave patients with active RA has generated particular interest and investigation. These data may support the use of abatacept in biologic nave patients with early disease who have had an inadequate response to MTX. The magnitude of abatacepts eect appears to increase over time.
The long term ecacy and safety of abatacept have been demonstrated over 5 years with a dose of 10 mg/kg. In a long term extension trial, abatacept was well tolerated and provided durable improvements in disease activity, with no unique safety events reported. These data, combined with relatively high retention rates, conrm that abatacept provides ALK Inhibitor sustained clinical benets in RA. Additionally, abatacept has been shown to provide clinical benets in patients with RA who have previously failed TNF inhibitor treatment, regardless of the previous TNF inhibitor used or the reason for treatment failure. This nding suggests that switching to abatacept may be a useful option for patients who fail TNF inhibitor treatment. Tocilizumab is a humanised anti IL 6 receptor monoclonal antibody administered by intravenous infusion.
Early introduction of tocilizumab treatment may therefore be more eective in preventing joint damage.
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