Physicians Interactive (PI) and WorldOne formed an exclusive strategic alliance to merge their US-based healthcare marketing research panels, firms said. The panel includes 300,000+ AMA-verified physicians amid a network of online and mobile HCPs spanning about a million physicians, nurses and allied health professionals in all major specialties, PI and WorldOne said. The alliance will enable HCPs to share insights with life science firms, market research organizations, academic centers and associations.

Bristol-Myers Squibb said it is buying hepatitis C drug developer Inhibitex for about $2.5 billion. The deal comes a few months before the patent is set to expire on BMS’s biggest-selling drug, antiplatelet agent Plavix, and gives BMS access to Inhibitex’s potential HCV drug INX-189. In November Gilead Sciences struck a $10.8 billion deal to buy experimental hepatitis C drug maker Pharmasset.