• Am J Prev Med · Oct 2024

    Chronic Opioid Use Following Implementation of Oregon's Medicaid Back Pain Policy.

    • Daniel M Hartung, IbrahimiSanae ElSEComagine Health, Portland, OR., Catherine J Livingston, Christina J Charlesworth, K John McConnell, and Esther K Choo.
    • College of Pharmacy, Oregon State University, Portland, OR.
    • Am J Prev Med. 2024 Oct 16.

    IntroductionIn 2016, Oregon developed an innovative policy to improve care for Medicaid patients with back pain. The objective of this study was to identify factors associated with dose reduction and discontinuation among Medicaid patients using chronic opioid therapy following implementation of this policy.MethodsUsing Medicaid administrative claims data, this was a retrospective cohort of patients on chronic stable opioid therapy between July and December 2016. Outcomes assessed were 1) 30% reduction in opioid dose and 2) an absolute discontinuation between January to December 2017. Multivariable logistic regressions evaluated association between dose reduction outcomes and clinical and demographic factors.ResultsOf 4,643 Medicaid patients on chronic opioid therapy, 3853 (83%) had a dose reduction and 651 (14%) discontinued opioids; patients with back pain were more likely to have a dose reduction (adjusted odds ratio [aOR] 1.19; 95% 1.01 to 1.41). Factors associated with discontinuation included having a mental health diagnosis (aOR 1.30; 95% CI 1.08 to 1.56), substance use disorder (aOR 1.90; 95% CI 1.41 to 2.56), opioid use disorder (aOR 1.55; 95% CI 1.21 to 1.99), and receipt of buprenorphine (aOR 2.82; 95% CI 1.30 to 6.15). Discontinuation was less likely in Black patients (aOR 0.50; 95% CI 0.29 to 0.85), in older age groups, and in those with a higher opioid dose at baseline.ConclusionsMost Medicaid beneficiaries had a dose reduction following implementation of Oregon's back pain policy. Opioid discontinuation was associated with factors that suggest providers pursue this strategy for patients at higher overdose risk.Copyright © 2024. Published by Elsevier Inc.

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