{"id":18555,"date":"2025-06-08T22:07:44","date_gmt":"2025-06-08T22:07:44","guid":{"rendered":"https:\/\/www.watanserb.com\/en\/?p=18555"},"modified":"2025-06-08T22:07:44","modified_gmt":"2025-06-08T22:07:44","slug":"new-blood-test-diagnoses-alzheimers-with-95-accuracy-mayo-clinic-study-confirms","status":"publish","type":"post","link":"https:\/\/www.watanserb.com\/en\/2025\/06\/08\/new-blood-test-diagnoses-alzheimers-with-95-accuracy-mayo-clinic-study-confirms\/","title":{"rendered":"New Blood Test Diagnoses Alzheimer\u2019s with 95% Accuracy, Mayo Clinic Study Confirms"},"content":{"rendered":"<p class=\"ai-optimize-6 ai-optimize-introduction\"><em><strong>Watan<\/strong><\/em>-A recent study led by researchers at the Mayo Clinic has confirmed the high accuracy of an FDA-approved blood test that can be used in clinical settings to diagnose and manage memory-related disorders, including Alzheimer\u2019s disease.<\/p>\n<p class=\"ai-optimize-8\" data-start=\"980\" data-end=\"1197\">Published in the journal Alzheimer\u2019s &amp; Dementia, the study emphasizes that Alzheimer\u2019s\u2014which causes memory loss, difficulty concentrating, and behavioral changes\u2014can be devastating for patients and their families.<\/p>\n<p class=\"ai-optimize-9\" data-start=\"1199\" data-end=\"1380\">With the availability of new treatments for early-stage Alzheimer\u2019s, there is a growing need for accessible and cost-effective diagnostic tools that allow early detection.<\/p>\n<article class=\"text-token-text-primary w-full\" dir=\"auto\" data-testid=\"conversation-turn-18\" data-scroll-anchor=\"true\">\n<div class=\"text-base my-auto mx-auto py-5 [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto flex max-w-(--thread-content-max-width) flex-1 text-base gap-4 md:gap-5 lg:gap-6 group\/turn-messages focus-visible:outline-hidden\" tabindex=\"-1\">\n<div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"relative flex-col gap-1 md:gap-3\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"fc177e7b-73de-4b89-9c15-2532774b09db\" data-message-model-slug=\"gpt-4o\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words light\">\n<h3 class=\"ai-optimize-19\" data-start=\"0\" data-end=\"90\">Blood Test Rivals Traditional Alzheimer\u2019s Diagnostics with 95% Accuracy<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"flex min-h-[46px] justify-start\"><\/div>\n<\/div>\n<div class=\"absolute\">\n<div class=\"flex items-center justify-center\">Traditional diagnostic methods like PET scans and spinal taps (lumbar punctures) are effective but costly and invasive. Hence, researchers sought a less intrusive and affordable alternative.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<p class=\"ai-optimize-11\" data-start=\"1592\" data-end=\"1671\">According to Dr. Gregory Day, lead author and neurologist at Mayo Clinic,\u201cOur study found that the blood test confirmed Alzheimer\u2019s diagnoses with 95% sensitivity\u2014a rate comparable to cerebrospinal fluid biomarkers, while being more practical and cost-effective.\u201d<\/p>\n<p class=\"ai-optimize-12\" data-start=\"1872\" data-end=\"2003\">The test focuses on identifying toxic protein buildups in the brain by analyzing plasma concentrations of key biomarkers.<\/p>\n<p class=\"ai-optimize-13\" data-start=\"2005\" data-end=\"2359\">The study involved over 500 patients at the Mayo Clinic\u2019s Florida Memory Disorders Clinic, ranging in age from 32 to 89, with an average age of symptom onset at 66 years. Conditions studied included mild and advanced cognitive decline, typical and atypical Alzheimer\u2019s, Lewy body dementia, and vascular cognitive impairment.<\/p>\n<figure id=\"attachment_10978\" aria-describedby=\"caption-attachment-10978\" style=\"width: 1024px\" class=\"wp-caption alignleft\"><img decoding=\"async\" class=\"wp-image-10978 size-large\" src=\"https:\/\/www.watanserb.com\/en\/wp-content\/uploads\/2025\/01\/Changes-in-the-Aging-Brain-1024x683.jpg\" alt=\"Rising Dissent in Israel Over Gaza War and Hostage CrisisAlzheimer\u2019s blood test\n\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.watanserb.com\/en\/wp-content\/uploads\/2025\/01\/Changes-in-the-Aging-Brain-1024x683.jpg 1024w, https:\/\/www.watanserb.com\/en\/wp-content\/uploads\/2025\/01\/Changes-in-the-Aging-Brain-300x200.jpg 300w, https:\/\/www.watanserb.com\/en\/wp-content\/uploads\/2025\/01\/Changes-in-the-Aging-Brain-768x512.jpg 768w, https:\/\/www.watanserb.com\/en\/wp-content\/uploads\/2025\/01\/Changes-in-the-Aging-Brain.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-10978\" class=\"wp-caption-text\">Mayo Clinic study confirms the high accuracy of an FDA-approved blood test for diagnosing Alzheimer\u2019s, offering a breakthrough in early detection through a simple<\/figcaption><\/figure>\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"dcfb8fc5-e5a7-48d0-9b67-6148b10b7deb\" data-message-model-slug=\"gpt-4o\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words light\">\n<h3 class=\"ai-optimize-20\" data-start=\"0\" data-end=\"105\">p-tau 217 Biomarker Shows High Accuracy in Alzheimer\u2019s Detection Across Patient Groups<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p class=\"ai-optimize-14\" data-start=\"2361\" data-end=\"2648\">Researchers particularly focused on two proteins in blood plasma associated with amyloid plaque buildup, a hallmark of Alzheimer\u2019s. They found that levels of p-tau 217 were significantly higher in Alzheimer\u2019s patients and were strongly correlated with cognitive impairment.<\/p>\n<p class=\"ai-optimize-15\" data-start=\"2650\" data-end=\"2847\">Among the 509 patients tested, 267 showed positive results, including 233 out of 246 who had Alzheimer\u2019s-linked cognitive impairment, confirming the test\u2019s 95% diagnostic sensitivity.<\/p>\n<p class=\"ai-optimize-16\" data-start=\"2849\" data-end=\"2969\">Researchers also noted the importance of accounting for kidney function, as it can affect plasma biomarker levels.<\/p>\n<p class=\"ai-optimize-17\" data-start=\"2971\" data-end=\"3232\">Dr. Day concluded that next steps include testing the blood biomarker in more diverse patient groups, including those in early stages or with no symptoms, and assessing other disease-specific factors that could impact test accuracy in clinical trials.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Watan-A recent study led by researchers at the Mayo Clinic has confirmed the high accuracy of an FDA-approved blood test that can be used in clinical settings to diagnose and manage memory-related disorders, including Alzheimer\u2019s disease. Published in the journal Alzheimer\u2019s &amp; Dementia, the study emphasizes that Alzheimer\u2019s\u2014which causes memory loss, difficulty concentrating, and behavioral &hellip;<\/p>\n","protected":false},"author":1,"featured_media":10979,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[3444,5894,5000,5893],"class_list":["post-18555","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle","tag-alzheimer","tag-alzheimers-diagnostic","tag-dementia","tag-mayo-clinic"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>New Blood Test Diagnoses Alzheimer\u2019s with 95% Accuracy, Mayo Clinic Study Confirms - Watan<\/title>\n<meta name=\"description\" content=\"A Mayo Clinic study confirms the high accuracy of an 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