{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:04:25Z","timestamp":1787025865577,"version":"build-2736575974"},"reference-count":72,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2023,2,6]],"date-time":"2023-02-06T00:00:00Z","timestamp":1675641600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Alzheimer's Disease Reports"],"published-print":{"date-parts":[[2023,11,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Older adults are at increased risk of cognitive impairments including Alzheimer\u2019s disease dementia. Legally authorized representatives (LARs) can provide informed consent when a participant is no longer able to, but little is known about barriers to incorporating them in research.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>Explore reasons for not asking and documenting participant decisions to appoint LARs among researchers conducting clinical intervention trials studying older adults or individuals with cognitive impairments.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Mixed method design consisting of a survey ( N\u200a=\u200a1,284) and qualitative interviews ( N\u200a=\u200a40) regarding barriers to incorporating LARs. Participants were principal investigators and clinical research coordinators.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>37% ( N\u200a=\u200a469) had not asked and documented participant decisions about appointing LARs in the prior year. They had significantly lower confidence in resources available to incorporate LARs and lower positive attitudes compared to their counterparts who had done so. The majority (83%) had no trials studying individuals with cognitive impairments and reported LARs were not applicable. A minority (17%) had at least one trial studying individuals with cognitive impairments and reported being unaware of LARs. Qualitative findings indicate discomfort broaching a sensitive topic especially with individuals who are not yet impaired.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Resources and education to increase awareness and knowledge of LARs are needed. Researchers studying older adults should, at minimum, have the knowledge and resources to incorporate LARs when necessary. Stigma and discomfort discussing LARs will need to be overcome, as early proactive discussions before a participant loses decisional capacity could enhance participant autonomy and facilitate recruitment and retention of older adults to research.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3233\/adr-220103","type":"journal-article","created":{"date-parts":[[2023,2,7]],"date-time":"2023-02-07T11:25:30Z","timestamp":1675769130000},"page":"135-149","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Barriers to Using Legally Authorized Representatives in Clinical Research with Older Adults"],"prefix":"10.1177","volume":"7","author":[{"given":"Jessica","family":"Mozersky","sequence":"first","affiliation":[{"name":"Bioethics Research Center, Washington University School of Medicine, St. Louis, MO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erin D.","family":"Solomon","sequence":"additional","affiliation":[{"name":"Bioethics Research Center, Washington University School of Medicine, St. Louis, MO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kari","family":"Baldwin","sequence":"additional","affiliation":[{"name":"Bioethics Research Center, Washington University School of Medicine, St. Louis, MO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew","family":"Wroblewski","sequence":"additional","affiliation":[{"name":"Bioethics Research Center, Washington University School of Medicine, St. Louis, MO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meredith","family":"Parsons","sequence":"additional","affiliation":[{"name":"Bioethics Research Center, Washington University School of Medicine, St. Louis, MO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melody","family":"Goodman","sequence":"additional","affiliation":[{"name":"School of Global Public Health, New York University, New York, NY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James M.","family":"DuBois","sequence":"additional","affiliation":[{"name":"Bioethics Research Center, Washington University School of Medicine, St. Louis, MO, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,2,6]]},"reference":[{"key":"ref001","unstructured":"National Institutes of Health (2019) Inclusion Across the Lifespan, https:\/\/grants.nih.gov\/policy\/inclusion\/lifespan.htm, Accessed July 9, 2022."},{"key":"ref002","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2018.12368"},{"key":"ref003","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-44084-2_14"},{"key":"ref004","unstructured":"National Institutes of Health (2018) Inclusion Across the Lifespan Executive Summary. https:\/\/grants.nih.gov\/sites\/default\/files\/IAL-II-Workshop-Report.pdf"},{"key":"ref005","doi-asserted-by":"publisher","DOI":"10.7326\/0003-4819-148-6-200803180-00005"},{"key":"ref006","doi-asserted-by":"publisher","DOI":"10.1080\/07317115.2016.1201714"},{"key":"ref007","unstructured":"Centers for Disease Control and Prevention (2011) Cognitive impairment: A call for action, Now! 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