man of cardiology at the Cleveland Clinic. “It’s very promising.” But it will also be very expensive, say Troy Brennan, the chief medical officer of CVS Caremark, the giant pharmacy benefits manager.“If these drugs are used as broadly as they could be used, they are going to be by far the most expensive drug c

man of cardiology at the Cleveland Clinic. “It’s very promising.” But it will also be very expensive, say Troy Brennan, the chief medical officer of CVS Caremark, the giant pharmacy benefits manager.“If these drugs are used as broadly as they could be used, they are going to be by far the most expensive drug c