CACNB2 and coronary artery disorder: CACNB2 SNPs were genotyped in the INternational VErapamil SR-Trandolapril STudy-GENEtic substudy (INVEST-GENES), a outcomes study including 5598 hypertensive patients with coronary artery disease who were randomized to either a β-blocker or a calcium channel blocker (Niu et al., 2010).