Schering-Plough has launched a new Productivity Transformation Program (PTP) to cut costs and increase productivity in an effort to save $1.5 billion annually. The program is in response to intensifying pressures in the U.S. market, centering on the Merck/Schering-Plough joint venture that markets cholesterol products Zetia and Vytorin. A panel of cardiologists recently called for doctors to limit use of these cholesterol drugs after a recent study showed that the drugs provided no benefit in sl...