Dr. Peter C. Butler initially declined a request by the drug maker Merck to test whether its new diabetes drug, Januvia, could help stave off the disease in rats.
“I said, I’m not interested in your money, go away,” Dr. Butler recalled.
Merck no doubt now wishes it had. When Dr. Butler finally agreed to do the study, he found worrisome changes in the pancreases of the rats that could lead to pancreatic cancer. Read more
