• Kowa Pharmaceuticals America Inc., of Montgomery, Ala., and Eli Lilly and Co., of Indianapolis, released results from a pharmacokinetic study exploring potential drug interaction between cholesterol medication Livalo (pitavastatin) 4 mg and protease inhibitor combo Prezista/Norvir (darunavir, Tibotec Pharmaceuticals Ltd./ritonavir, Abbott) 800 mg/100 mg in healthy volunteers.