• Molly Moore Jeffery, W Michael Hooten, Henry J Henk, Bellolio M Fernanda MF Department of Emergency Medicine, Mayo Clinic, Rochester, MN, USA., Erik P Hess, Ellen Meara, Joseph S Ross, and Nilay D Shah.
• Mayo Clinic Robert D and Patricia E Kern Center for the Science of Health Care Delivery, Division of Health Care Policy Research, Department of Health Sciences Research, Mayo Clinic, Rochester, MN 55905, USA jeffery.molly@mayo.edu.
• BMJ. 2018 Aug 1; 362: k2833.

ObjectiveTo describe trends in the rate and daily dose of opioids used among commercial and Medicare Advantage beneficiaries from 2007 to 2016.DesignRetrospective cohort study of administrative claims data.SettingNational database of medical and pharmacy claims for commercially insured and Medicare Advantage beneficiaries in the United States.Participants48 million individuals with any period of insurance coverage between 1 January 2007 and 31 December 2016, including commercial beneficiaries, Medicare Advantage beneficiaries aged 65 years and over, and Medicare Advantage beneficiaries under age 65 years (eligible owing to permanent disability).Main EndpointsProportion of beneficiaries with any opioid prescription per quarter, average daily dose in milligram morphine equivalents (MME), and proportion of opioid use episodes that represented long term use.ResultsAcross all years of the study, annual opioid use prevalence was 14% for commercial beneficiaries, 26% for aged Medicare beneficiaries, and 52% for disabled Medicare beneficiaries. In the commercial beneficiary group, quarterly prevalence of opioid use changed little, starting and ending the study period at 6%; the average daily dose of 17 MME remained unchanged since 2011. For aged Medicare beneficiaries, quarterly use prevalence was also relatively stable, ranging from 11% at the beginning of the study period to 14% at the end. Disabled Medicare beneficiaries had the highest rates of opioid use, the highest rate of long term use, and the largest average daily doses. In this group, both quarterly use rates (39%) and average daily dose (56 MME) were higher at the end of 2016 than the low points observed in 2007 for each endpoint (26% prevalence and 53 MME).ConclusionsOpioid use rates were high during the study period of 2007-16, with the highest rates in disabled Medicare beneficiaries versus aged Medicare beneficiaries and commercial beneficiaries. Opioid use and average daily dose have not substantially declined from their peaks, despite increased attention to opioid abuse and awareness of their risks.Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

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