Even so, if the reformulation was driving any number of people away from snorting or injecting OxyContin, that would appear to be a step in the right direction. And Purdue didn’t really need to conduct complex research studies to develop a sense of the impact of the new pills. The company could just look at its bottom line. According to a research abstract by a team of scientists at Purdue, after the reformulation, sales of 80-milligram OxyContin pills dropped 25 percent nationwide.