A 2016, the "Los Angeles Times" investigation reported that in many people OxyContin's 12-hour schedule does not adequately control pain, resulting in withdrawal symptoms including intense craving for the drug. The journalists suggested that this problem gives "new insight into why so many people have become addicted." Using Purdue documents and other records, they claim that Purdue was aware of this problem even before the drug went to market but "held fast to the claim of 12-hour relief, in part to protect its revenue OxyContin's market dominance and its high price—up to hundreds of dollars per bottle—hinge on its 12-hour duration."