Covis Pharma Sarl has entered an agreement with sanofi-aventis U.S. and its affiliates to acquire full commercial rights to Nilandron, Plaquenil, Rilutek, Uroxatral, and Kayexalate in the U.S. The products are for prostate cancer, anti-malarial, ALS, Benign Prostatic Hyperplasia (BPH), and dangerously high levels of potassium in the blood, respectively. Together these products had sales of $114.6 million in the U.S. in 2012. Sanofi will retain the existing rights for these products outside the U...