Introduction - How Many Cases are Similar to Purdue Pharma? The table below serves as an extension to the series of articles related to conspiracy theories surrounding big pharma, or the medical industry. In writing the series on Purdue Pharma and OxyContin, I reviewed numerous investigative articles from the US and documents from the US Department of Justice. At one point, I began to wonder how many cases resembled Purdue Pharma’s, where medical documentation was falsified, and tactics of discrediting and manipulation were employed?