March 18, 2013
In the following video, Motley Fool health-care analyst David Williamson highlights a potential new threat to an entire class of multibillion-dollar drugs. The drug group, which treats type 2 diabetes, could be linked to pancreatitis, a very serious inflammation of the pancreas that can lead to pancreatic cancer. David tells investors how several companies, such as Merck (NYSE: MRK ) , Bristol-Myers Squibb (NYSE: BMY ) and AstraZeneca (NYSE: AZN ) could be affected if the link is confirmed, and how serious the damage could be financially.
Can Merck beat the patent cliff?
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