The marketing of Oxycontin

The marketing of Oxycontin was based on the simple idea that Oxycontin could reduce chronic pain without posing a risk for abuse or addiction. Purdue made this claim to every doctor, stakeholder, and audience that they could. But how accurate was this claim and the specific arguments they were making? And in repeating this claim, what pieces of information were being overlooked or dismissed by Purdue? Please reference pain killer by Barry Meier