{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,4]],"date-time":"2026-11-04T09:17:51Z","timestamp":1793783871431,"version":"4.6.1"},"reference-count":48,"publisher":"American Medical Association (AMA)","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Intern Med"],"published-print":{"date-parts":[[2023,12,1]]},"abstract":"<jats:sec><jats:title>Importance<\/jats:title><jats:p>Few primary care (PC) practices treat patients with medications for opioid use disorder (OUD) despite availability of effective treatments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To assess whether implementation of the Massachusetts model of nurse care management for OUD in PC increases OUD treatment with buprenorphine or extended-release injectable naltrexone and secondarily decreases acute care utilization.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design, Setting, and Participants<\/jats:title><jats:p>The Primary Care Opioid Use Disorders Treatment (PROUD) trial was a mixed-methods, implementation-effectiveness cluster randomized clinical trial conducted in 6 diverse health systems across 5 US states (New York, Florida, Michigan, Texas, and Washington). Two PC clinics in each system were randomized to intervention or usual care (UC) stratified by system (5 systems were notified on February 28, 2018, and 1 system with delayed data use agreement on August 31, 2018). Data were obtained from electronic health records and insurance claims. An implementation monitoring team collected qualitative data. Primary care patients were included if they were 16 to 90 years old and visited a participating clinic from up to 3 years before a system\u2019s randomization date through 2 years after.<\/jats:p><\/jats:sec><jats:sec><jats:title>Intervention<\/jats:title><jats:p>The PROUD intervention included 3 components: (1) salary for a full-time OUD nurse care manager; (2) training and technical assistance for nurse care managers; and (3) 3 or more PC clinicians agreeing to prescribe buprenorphine.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main Outcomes and Measures<\/jats:title><jats:p>The primary outcome was a clinic-level measure of patient-years of OUD treatment (buprenorphine or extended-release injectable naltrexone) per 10\u202f000 PC patients during the 2 years postrandomization (follow-up). The secondary outcome, among patients with OUD prerandomization, was a patient-level measure of the number of days of acute care utilization during follow-up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>During the baseline period, a total of 130\u202f623 patients were seen in intervention clinics (mean [SD] age, 48.6 [17.7] years; 59.7% female), and 159\u202f459 patients were seen in UC clinics (mean [SD] age, 47.2 [17.5] years; 63.0% female). Intervention clinics provided 8.2 (95% CI, 5.4-\u221e) more patient-years of OUD treatment per 10\u202f000 PC patients compared with UC clinics (<jats:italic>P<\/jats:italic>\u2009=\u2009.002). Most of the benefit accrued in 2 health systems and in patients new to clinics (5.8 [95% CI, 1.3-\u221e] more patient-years) or newly treated for OUD postrandomization (8.3 [95% CI, 4.3-\u221e] more patient-years). Qualitative data indicated that keys to successful implementation included broad commitment to treat OUD in PC from system leaders and PC teams, full financial coverage for OUD treatment, and straightforward pathways for patients to access nurse care managers. Acute care utilization did not differ between intervention and UC clinics (relative rate, 1.16; 95% CI, 0.47-2.92; <jats:italic>P<\/jats:italic>\u2009=\u2009.70).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions and Relevance<\/jats:title><jats:p>The PROUD cluster randomized clinical trial intervention meaningfully increased PC OUD treatment, albeit unevenly across health systems; however, it did not decrease acute care utilization among patients with OUD.<\/jats:p><\/jats:sec><jats:sec><jats:title>Trial Registration<\/jats:title><jats:p>ClinicalTrials.gov Identifier: <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/clinicaltrials.gov\/study\/NCT03407638?term=NCT03407638&amp;amp;amp;rank=1\">NCT03407638<\/jats:ext-link><\/jats:p><\/jats:sec>","DOI":"10.1001\/jamainternmed.2023.5701","type":"journal-article","created":{"date-parts":[[2023,10,30]],"date-time":"2023-10-30T11:39:07Z","timestamp":1698665947000},"page":"1343","source":"Crossref","is-referenced-by-count":39,"title":["Nurse Care Management for Opioid Use Disorder Treatment"],"prefix":"10.1001","volume":"183","author":[{"given":"Paige D","family":"Wartko","sequence":"first","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute, Seattle"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer F.","family":"Bobb","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute, Seattle"},{"name":"Department of Biostatistics, School of Public Health, University of Washington, 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