By: Tasnima Nabi, Staff Editor – Merck & Co. will pay $688 million to settle two lawsuits filed in December 2008 over their patent-protected statin, Vytorin®.  The suits state that Merck and Schering-Plough delayed releasing the results of their ENHANCE study to avoid a decrease in revenue.1 Vytorin® is a combination drug of simvastatin and…