{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T17:34:34Z","timestamp":1793208874985,"version":"4.5.0"},"reference-count":32,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2026,7,12]],"date-time":"2026-07-12T00:00:00Z","timestamp":1783814400000},"content-version":"vor","delay-in-days":11,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["alz-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Alzheimer's &amp;amp; Dementia"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>INTRODUCTION<\/jats:title>\n                    <jats:p>Biomarkers for Alzheimer's disease (AD) are now available for clinical use; however, little is known about their use in primary care.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>Cross\u2010sectional analysis of 2024 data from the National Dementia Workforce Study, a nationally representative survey of primary care providers (PCPs) who treat Medicare beneficiaries with dementia. We used survey weights to generate nationally representative estimates of self\u2010reported biomarker use.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>Among 2574 PCPs, computed tomography\/magnetic resonance imaging (CT\/MRI) (79%) and neuropsychological testing (71%) were most commonly used, followed by positron emission tomography (PET) (18%), plasma (16%), genetic (14%), and CSF testing (9%). PCPs confident in diagnosing dementia and from specialist settings were more likely to report ordering PET, plasma, genetic, and CSF testing.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>DISCUSSION<\/jats:title>\n                    <jats:p>This study describes patterns in the adoption of AD biomarkers in the year after Medicare expanded coverage for some biomarkers, providing a baseline for measuring changes in biomarker use. Guidelines are needed to inform PCP decision\u2010making for biomarkers.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/alz.71665","type":"journal-article","created":{"date-parts":[[2026,7,13]],"date-time":"2026-07-13T03:31:03Z","timestamp":1783913463000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Adoption of Alzheimer's disease biomarkers by primary care clinicians: findings from the National Dementia Workforce Study"],"prefix":"10.1002","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4692-5837","authenticated-orcid":false,"given":"Elyse","family":"Couch","sequence":"first","affiliation":[{"name":"Department of Health Services, Policy, and Practice Brown University School of Public Health  Providence Rhode Island USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason R.","family":"Gantenberg","sequence":"additional","affiliation":[{"name":"Department of Health Services, Policy, and Practice Brown University School of Public Health  Providence Rhode Island USA"},{"name":"Department of Epidemiology Brown University School of Public Health  Providence Rhode Island USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emmanuelle","family":"Belanger","sequence":"additional","affiliation":[{"name":"Department of Health Services, Policy, and Practice Brown University School of Public Health  Providence Rhode Island USA"},{"name":"Center for Gerontology and Healthcare Research Brown University School of Public Health  Providence Rhode Island USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,12]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamaneurol.2024.2100"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2025.9013"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/ana.20009"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2024.13855"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamanetworkopen.2025.19919"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamaneurol.2025.4721"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamaneurol.2025.0693"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2019.2000"},{"key":"e_1_2_9_10_1","first-page":"643","article-title":"Apolipoprotein E: risk factor for Alzheimer disease","volume":"54","author":"Tsai MS","year":"1994","journal-title":"Am J Hum Genet"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1038\/ng0594\u201074"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10072\u2010023\u201007194\u2010w"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1097\/WAD.0000000000000569"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/alz.078249"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1002\/alz.13859"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11606\u2010018\u20104377\u2010y"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.14283\/jpad.2023.131"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jalz.2019.07.005"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamanetworkopen.2023.36030"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1002\/alz.70064"},{"key":"e_1_2_9_21_1","unstructured":"Alzheimer's.AssociationOn the Front Lines: Primary Care Physicians and Alzheimer's Care in America.2020."},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11606\u2010023\u201008583\u20109"},{"key":"e_1_2_9_23_1","doi-asserted-by":"publisher","DOI":"10.1002\/alz.70986"},{"key":"e_1_2_9_24_1","doi-asserted-by":"publisher","DOI":"10.1111\/jgs.70037"},{"key":"e_1_2_9_25_1","doi-asserted-by":"publisher","DOI":"10.1093\/gerona\/glab373"},{"key":"e_1_2_9_26_1","doi-asserted-by":"publisher","DOI":"10.1111\/jgs.70061"},{"key":"e_1_2_9_27_1","doi-asserted-by":"publisher","DOI":"10.1111\/jgs.70036"},{"key":"e_1_2_9_28_1","doi-asserted-by":"publisher","DOI":"10.18637\/jss.v009.i08"},{"key":"e_1_2_9_29_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2025.26049"},{"key":"e_1_2_9_30_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamainternmed.2025.0976"},{"key":"e_1_2_9_31_1","doi-asserted-by":"publisher","DOI":"10.1002\/alz.70535"},{"key":"e_1_2_9_32_1","doi-asserted-by":"publisher","DOI":"10.1212\/CPJ.0000000000200568"},{"key":"e_1_2_9_33_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamainternmed.2016.0705"}],"container-title":["Alzheimer's &amp; Dementia"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/alz-journals.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/alz.71665","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/alz-journals.onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/alz.71665","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/alz-journals.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/alz.71665","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T17:00:13Z","timestamp":1793206813000},"score":1,"resource":{"primary":{"URL":"https:\/\/alz-journals.onlinelibrary.wiley.com\/doi\/10.1002\/alz.71665"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7]]},"references-count":32,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2026,7]]}},"alternative-id":["10.1002\/alz.71665"],"URL":"https:\/\/doi.org\/10.1002\/alz.71665","archive":["Portico"],"relation":{},"ISSN":["1552-5260","1552-5279"],"issn-type":[{"value":"1552-5260","type":"print"},{"value":"1552-5279","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,7]]},"assertion":[{"value":"2026-04-16","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-06-08","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-07-12","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e71665"}}