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Newer studies are questioning this finding. Few individually based studies have been performed. Using data from the Norwegian Prescription Database, this study investigated the individual level effect of prescribed cannabis extract (Sativex\u00ae) in prescription opioid users on their opioid use in the following year. Looking at all those filling a prescription for Sativex\u00ae, opioid use was only marginally lowered in the follow\u2010up period. Some Sativex\u00ae users, however, filled more prescriptions for Sativex\u00ae and were able to reduce their opioid use substantially. 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