Kevin Sorenson
FILE PHOTO - Prescription painkiller OxyNEO by Purdue Pharma is shown at a pharmacy, with ''X'' indicating not a full bottle, in Toronto, Ontario, Canada on January 17, 2017. REUTERS/Hyungwon Kang/File Photo
A leading drugmaker ramped up its lobbying in Canada fivefold last year, urging government officials to enact a rule that would give it an effective monopoly on long-acting narcotic painkillers.
