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diagnosis
8 studies tagged diagnosis, dated 2017-01-01 to 2025-09-01. Bibliography: BibTeX (.bib) · RIS (.ris)
Newest in this topic
- Blood phosphorylated tau for the diagnosis of Alzheimer's disease: a systematic review and meta-analysis 2025-09-01
- Accuracy and clinical applicability of plasma tau 181 and 217 for Alzheimer's disease diagnosis in a memory clinic cohort 2025-01-23
- Revised criteria for diagnosis and staging of Alzheimer's disease: Alzheimer's Association Workgroup 2024-06-27
Studies
8 studies carry this tag.
Date range
2017 to 2025
Top journals
- Alzheimer's & dementia : the journal of the Alzheimer's Association 2
- Frontiers in aging neuroscience 1
- Journal of Alzheimer's disease : JAD 1
- Journal of geriatric psychiatry and neurology 1
- Journal of internal medicine 1
7 journals in all.
Newest first, then by address. Each study has a usefulness score out of 100 (rubric version 4.0); tap a score to see what makes it up. Tags were assigned automatically from each study's title and summary. The same studies as a filter in the library.
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Plasma p-tau217 was the highest-performing biomarker for identifying biologically defined Alzheimer's disease, with pooled sensitivity of 88·1% (95% CI 86·7-89·5, moderate certainty of evidence), specificity of 88·7% (87·4-89·9, moderate certainty of evidence), area under the receiver operating characteristic curve (AUROC) of 91·1% (88·9-92·4, moderate certainty of evidence), and diagnostic odds ratio of 50·7 (40·6-63·4). p-tau181 pooled sensitivity was 80·5% (78·4-82·4, low certainty of evidence), specificity was 76·4% (74·1-78·6, low certainty of evidence), AUROC was 81·5% (80·2-82·9, low certainty of evidence), and diagnostic odds ratio was 13·4 (11·4-16·7). p-tau205 pooled sensitivity was 76·6% (70·7-81·6, moderate certainty of evidence), specificity was 86·0% (78·6-91·2, moderate certainty of evidence), AUROC was 85·1% (80·7-89·6, moderate certainty of evidence), and diagnostic odds ratio was 20·2 (10·5-38·7). p-tau212 pooled sensitivity was 84·5% (75·5-90·6, moderate certainty of evidence), specificity was 87·3% (79·5-92·5, moderate certainty of evidence), AUROC was 90·3% (86·6-94·1, moderate certainty of evidence), and diagnostic odds ratio was 41·2 (22·0-77·3). p-tau231 pooled sensitivity was 75·2% (71·3-78·8, moderate certainty of evidence), specificity was 75·3% (71·2-78·9, moderate certainty of evidence), AUROC was 80·2 (77·6-82·7, moderate certainty of evidence), and diagnostic odds ratio was 9·3 (7·0-12·2).
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Plasma tau phosphorylated at threonine 181 (p-tau181) and 217 (p-tau217) have demonstrated high accuracy for Alzheimer's disease (AD) diagnosis, defined by CSF/PET amyloid beta (Aβ) positivity, but most studies have been performed in research cohorts, limiting their generalizability.
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48/100
The National Institute on Aging and the Alzheimer's Association convened three separate work groups in 2011 and single work groups in 2012 and 2018 to create recommendations for the diagnosis and characterization of Alzheimer's disease (AD).
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Encouraging results were found for several biomarkers, alone or in combination.
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Both t-tau and p-tau are suitable AD blood biomarkers, and p-tau217 is more sensitive than other tau biomarkers to differentiate MCI and AD.
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ADNI has had a profound impact in improving clinical trials for AD.
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Alzheimer's disease (AD) is increasingly prevalent worldwide, and disease-modifying treatments may soon be at hand; hence, now, more than ever, there is a need to develop techniques that allow earlier and more secure diagnosis.
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Although the use of cerebrospinal fluid (CSF) amyloid β1-42 (Aβ42), tau (T-tau), and phosphorylated tau (p-tau181) gives added diagnostic and prognostic values, the diffusion is still limited in clinical practice and only a restricted number of patients receive an integrated clinico-biological diagnosis.