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Targeting Inflammation in Type 2 Diabetes: Clinical Trial Using Salsalate


Epidemiological, physiological and pharmacological evidence support a potential pathogenic link leading sequentially from obesity-inflammation-"insulin resistance->type 2 diabetes (T2D) and cardiovascular disease. Our basic science findings indicate that the inflammatory link is mediated by activation of the transcriptional master switch, NF-KB. Following our goals to translate basic findings to the clinic, we have identified anti-inflammatory salicylates as a potential new class of drugs for the treatment of these disorders through inhibition of the IKK/NF-?B pathway. Preliminary results from 2- to 4-week long, single-site clinical trials in T2D patients showed that high-doses of either aspirin (7 g/day) or salsalate (3.0 to 4.5 g/day) have pronounced and highly significant effects on many metabolic parameters, including reductions in fasting and postprandial glucose, total cholesterol, triglycerides, free fatty acids and hepatic glucose production and improvements in insulin-stimulated glucose disposal. This application aims to progress past the 'proof-of-principle'stage to determine whether IKK/NF-?B inhibition in general and salsalate therapy in particular might provide new avenues for treating patients with diabetes. We propose a double-masked, placebo-controlled trial for assessing the efficacy of salsalate, a safe and FDA-approved drug, initially dosed at 3.0 g/day and escalating as tolerated to 4.0 g/day. Patients with documented but poorly controlled T2D (7.0%

Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.