We spoke with a key Merck executive about the strategy for its top cancer drug, a $7 billion powerhouse that could soon bring in more than $20 billion

Merck’s cancer drug Keytruda uses the body’s natural disease-fighting immune response to combat cancer. It has become apowerhouse for the company, bringing in $7 billion…

Read More We spoke with a key Merck executive about the strategy for its top cancer drug, a $7 billion powerhouse that could soon bring in more than $20 billion