p.s. Here's an abstract on the paper, search on some of the info in the abstract and you will find it.
November 3, 2009 issue of the Journal of the American College of Cardiology (JACC), Dr Justin MS Lee (University of Oxford, UK) and colleagues report that 2 g of modified-release nicotinic acid (Niaspan, Abbott Laboratories) daily, on top of statins, resulted in a 1.64 mm2 reduction in carotid wall area on MRI, compared with placebo, in patients with vascular disease and low HDL.