Third, we expect that these and related data will spur research into the as yet unknown mechanisms by which statin therapy increases diabetes risk. Our findings that statins slightly accelerate the time to diabetes diagnosis and that risk is largely limited to patients with impaired fasting glucose suggest directions for such mechanistic work. To this end, ongoing work will evaluate change in biochemical markers showing β-cell function, insulin resistance and endothelial injury, adipokines, and other metabolic markers at the start of statin treatment and as predictors of incident diabetes in the trial.