Trends in buprenorphine dosage and days supplied for new treatment episodes for opioid use disorder, 2010–2019
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Cited by 2 publications
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Association of Daily Doses of Buprenorphine With Urgent Health Care Utilization
ImportanceHigher buprenorphine doses may benefit the increasing number of individuals using fentanyl and other synthetic opioids, but there is little empirical evidence on the efficacy of such higher doses.ObjectiveTo examine the association between higher buprenorphine doses (above 16 mg and 24 mg) and subsequent emergency department (ED) or inpatient service use among patients diagnosed with opioid use disorder.Design, Setting, and ParticipantsThis cross-sectional study was a retrospective analysis of health data from Optum’s deidentified Clinformatics Data Mart Database from 2016 to 2021 for commercially insured individuals aged 18 years or older diagnosed with opioid use disorder (OUD). Eligible participants initiated buprenorphine after at least 90 days of enrollment and were dispensed at least a 14-day supply of buprenorphine. Data were analyzed from September 2023 through February 2024.ExposuresMaximum buprenorphine dose received by a patient for 14 or more days: more than 24 mg, more than 16 mg to 24 mg, more than 8 mg to 16 mg, or 1 mg to 8 mg.Main Outcomes and MeasuresDays from initiation of the maximum buprenorphine dose to an ED or inpatient visit for a behavioral health diagnosis, controlling for patient demographics, comorbid conditions, time to reaching maximum dose, buprenorphine discontinuation, and pre-buprenorphine health care utilization.ResultsA total of 35 451 individuals with an OUD diagnosis who began buprenorphine treatment were identified (mean [SD] age, 46.2 [15.1] years; 20 983 male [59.2%]; 3326 Black [9.4%], 2411 Hispanic [6.8%], 26 712 White [75.3%]). The most common dose was more than 8 mg to 16 mg daily (14 802 patients [42.9%]), with 9669 patients (27.3%) in the 1 mg to 8 mg tier, 10 329 patients (29.1%) in the 8 mg to 16 mg tier, and 651 patients (1.8%) in the tier receiving more than 24 mg. Among all patients receiving buprenorphine, 12.5% experienced an ED or inpatient visit. Survival analysis shows patients receiving doses more than 24 mg and between 16 mg to 24 mg had longer times to ED or inpatient use than patients receiving from 8 mg to 16 mg (time ratio [TR], 1.11; 95% CI, 1.02 to 1.20) and more than 24 mg (TR, 1.37; 95% CI, 1.04 to 1.81). Findings for doses above 16 mg daily were consistent for observation windows as short as 365 days (more than 24 mg: TR, 1.48; 95% CI, 1.01-2.18; more than 16 mg to 24 mg: TR, 1.19; 95% CI, 1.06-1.32).Conclusions and RelevanceThese findings contribute to the sparse empirical research regarding potential benefits of higher-dose buprenorphine treatment of individuals with OUD. Clinicians should be aware of the potential effects of higher buprenorphine doses on health care utilization while policymakers work to ensure equitable access to individuals who could potentially benefit from higher doses.
Association of Daily Doses of Buprenorphine With Urgent Health Care Utilization
ImportanceHigher buprenorphine doses may benefit the increasing number of individuals using fentanyl and other synthetic opioids, but there is little empirical evidence on the efficacy of such higher doses.ObjectiveTo examine the association between higher buprenorphine doses (above 16 mg and 24 mg) and subsequent emergency department (ED) or inpatient service use among patients diagnosed with opioid use disorder.Design, Setting, and ParticipantsThis cross-sectional study was a retrospective analysis of health data from Optum’s deidentified Clinformatics Data Mart Database from 2016 to 2021 for commercially insured individuals aged 18 years or older diagnosed with opioid use disorder (OUD). Eligible participants initiated buprenorphine after at least 90 days of enrollment and were dispensed at least a 14-day supply of buprenorphine. Data were analyzed from September 2023 through February 2024.ExposuresMaximum buprenorphine dose received by a patient for 14 or more days: more than 24 mg, more than 16 mg to 24 mg, more than 8 mg to 16 mg, or 1 mg to 8 mg.Main Outcomes and MeasuresDays from initiation of the maximum buprenorphine dose to an ED or inpatient visit for a behavioral health diagnosis, controlling for patient demographics, comorbid conditions, time to reaching maximum dose, buprenorphine discontinuation, and pre-buprenorphine health care utilization.ResultsA total of 35 451 individuals with an OUD diagnosis who began buprenorphine treatment were identified (mean [SD] age, 46.2 [15.1] years; 20 983 male [59.2%]; 3326 Black [9.4%], 2411 Hispanic [6.8%], 26 712 White [75.3%]). The most common dose was more than 8 mg to 16 mg daily (14 802 patients [42.9%]), with 9669 patients (27.3%) in the 1 mg to 8 mg tier, 10 329 patients (29.1%) in the 8 mg to 16 mg tier, and 651 patients (1.8%) in the tier receiving more than 24 mg. Among all patients receiving buprenorphine, 12.5% experienced an ED or inpatient visit. Survival analysis shows patients receiving doses more than 24 mg and between 16 mg to 24 mg had longer times to ED or inpatient use than patients receiving from 8 mg to 16 mg (time ratio [TR], 1.11; 95% CI, 1.02 to 1.20) and more than 24 mg (TR, 1.37; 95% CI, 1.04 to 1.81). Findings for doses above 16 mg daily were consistent for observation windows as short as 365 days (more than 24 mg: TR, 1.48; 95% CI, 1.01-2.18; more than 16 mg to 24 mg: TR, 1.19; 95% CI, 1.06-1.32).Conclusions and RelevanceThese findings contribute to the sparse empirical research regarding potential benefits of higher-dose buprenorphine treatment of individuals with OUD. Clinicians should be aware of the potential effects of higher buprenorphine doses on health care utilization while policymakers work to ensure equitable access to individuals who could potentially benefit from higher doses.
Nurse Care Management of Opioid Use Disorder Treatment After 3 Years
ImportanceThe Primary Care Opioid Use Disorders (PROUD) treatment trial was a 2-year implementation trial that demonstrated the Massachusetts office-based addiction treatment (OBAT) model of nurse care management for opioid use disorder (OUD) increased OUD treatment in the 2 years after implementation began (8.2 more patient-years of OUD treatment per 10 000 primary care patients). The intervention was continued for a third year, permitting evaluation of 3-year outcomes.ObjectiveTo compare OUD medication treatment in intervention and usual care clinics over 3 years of implementation.Design, Setting, and ParticipantsThis is a preplanned secondary analysis of a cluster randomized implementation trial, conducted in 6 health systems in 5 states (2 primary care clinics per health system) with clinic randomization stratified by system (assignment notification February 28, 2018 [August 31, 2018, in 1 system]). Data were obtained from electronic health records and insurance claims. Eligible patients were those aged 16 to 90 years visiting intervention or usual care clinics from 3 years before to 2 years after randomization. Patients new to clinics during the third year after randomization could not be included because COVID-19–era transitions to virtual care precluded assignment of patients to clinics. Data analysis occurred from November 2023 to September 2024.InterventionClinics were randomized to intervention or care as usual. Intervention included 3 implementation components: salary for 1 full-time OBAT nurse per intervention clinic; training and ongoing technical assistance for nurses; and 3 or more primary care buprenorphine prescribers.Main Outcome and MeasuresPatient-years of OUD treatment (buprenorphine or extended-release naltrexone) per 10 000 primary care patients in the 3 years postrandomization. Mixed-effect models adjusted for baseline values of the outcome and included a health system–specific random intercept to account for correlation of clinic pairs within a system.ResultsPrerandomization, a total of 290 071 primary care patients were seen, including 130 618 in intervention clinics (mean [SD] age, 48.6 [17.7] years; mean [SD] female, 59.3% [4.0%]) and 159 453 in usual care clinics (mean [SD] age, 47.2 [17.5] years; mean [SD] female, 64.0% [5.3%]). Over 3 years postrandomization, intervention clinics provided 19.7 (95% CI, 11.1-28.4) more patient-years of OUD treatment per 10 000 primary care patients compared with usual care clinics.ConclusionsIn this secondary analysis of the PROUD cluster randomized trial, after an added year of the intervention, OUD treatment continued to increase in intervention clinics compared with usual care. The treatment increase over 3 years exceeded that of the first 2 years, suggesting that implementation of the Massachusetts OBAT model leads to ongoing increases in OUD treatment among primary care patients in the third year of implementation.Trial RegistrationClinicalTrials.gov Identifier: NCT03407638
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