Evidence map›Paper›PMID 33674895›Full record

ReviewEuropean journal of nuclear medicine and molecular imaging2021

2020 update on the clinical validity of cerebrospinal fluid amyloid, tau, and phospho-tau as biomarkers for Alzheimer's disease in the context of a structured 5-phase development framework.

A Leuzy, N J Ashton, N Mattsson-Carlgren, A Dodich, M Boccardi, J Corre, A Drzezga, A Nordberg, R Ossenkoppele, H Zetterberg and 4 more

Abstract readReview
In one paragraph

Review in European journal of nuclear medicine and molecular imaging, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

45 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Validating plasma biomarkers for distinguishing neurodegenerative and psychiatric disorders.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Review
  10. Cerebrospinal fluid proteomics for predictive assessment of Alzheimer's Disease risk.medRxiv : the preprint server for health sciences · 2025
    Article
  11. Review
  12. Review
  13. Article
  14. Considerations in the clinical use of amyloid PET and CSF biomarkers for Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Review
  15. Review
  16. Article
  17. Article
  18. Review
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

14 authors.

A LeuzyClinical Memory Research Unit, Department of Clinical Sciences, Lund University, SE-205 02, Malmö, Sweden. Antoine.Leuzy@med.lu.se.
N J AshtonDepartment of Psychiatry and Neurochemistry, The Sahlgrenska Academy, University of Gothenburg, Mölndal, Sweden.
N Mattsson-CarlgrenClinical Memory Research Unit, Department of Clinical Sciences, Lund University, SE-205 02, Malmö, Sweden.
A DodichNIMTlab-Neuroimaging and Innovative Molecular Tracers Laboratory, University of Geneva, Geneva, Switzerland.
M BoccardiGerman Center for Neurodegenerative Diseases (DZNE), Rostock, Germany.
J CorreCentre National de la Recherche Scientifique, Montpellier, France.
A DrzezgaMedical Faculty, University Hospital of Cologne, Cologne, Germany.
A NordbergDivision of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden.
R OssenkoppeleClinical Memory Research Unit, Department of Clinical Sciences, Lund University, SE-205 02, Malmö, Sweden.
H ZetterbergDepartment of Psychiatry and Neurochemistry, The Sahlgrenska Academy, University of Gothenburg, Mölndal, Sweden.
K BlennowDepartment of Psychiatry and Neurochemistry, The Sahlgrenska Academy, University of Gothenburg, Mölndal, Sweden.
G B FrisoniGerman Center for Neurodegenerative Diseases (DZNE), Rostock, Germany.
V GaribottoNIMTlab-Neuroimaging and Innovative Molecular Tracers Laboratory, University of Geneva, Geneva, Switzerland.
O HanssonClinical Memory Research Unit, Department of Clinical Sciences, Lund University, SE-205 02, Malmö, Sweden. Oskar.Hansson@med.lu.se.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeIn the last decade, the research community has focused on defining reliable biomarkers for the early detection of Alzheimer's disease (AD) pathology. In 2017, the Geneva AD Biomarker Roadmap Initiative adapted a framework for the systematic validation of oncological biomarkers to cerebrospinal fluid (CSF) AD biomarkers-encompassing the 42 amino-acid isoform of amyloid-β (Aβ42), phosphorylated-tau (P-tau), and Total-tau (T-tau)-with the aim to accelerate their development and clinical implementation. The aim of this work is to update the current validation status of CSF AD biomarkers based on the Biomarker Roadmap methodology.

methodsA panel of experts in AD biomarkers convened in November 2019 at a 2-day workshop in Geneva. The level of maturity (fully achieved, partly achieved, preliminary evidence, not achieved, unsuccessful) of CSF AD biomarkers was assessed based on the Biomarker Roadmap methodology before the meeting and presented and discussed during the workshop.

resultsBy comparison to the previous 2017 Geneva Roadmap meeting, the primary advances in CSF AD biomarkers have been in the area of a unified protocol for CSF sampling, handling and storage, the introduction of certified reference methods and materials for Aβ42, and the introduction of fully automated assays. Additional advances have occurred in the form of defining thresholds for biomarker positivity and assessing the impact of covariates on their discriminatory ability.

conclusionsThough much has been achieved for phases one through three, much work remains in phases four (real world performance) and five (assessment of impact/cost). To a large degree, this will depend on the availability of disease-modifying treatments for AD, given these will make accurate and generally available diagnostic tools key to initiate therapy.

Indexed as

Alzheimer DiseaseAmyloid beta-PeptidesBiomarkersHumansPeptide Fragmentstau ProteinsAmyloid beta-PeptidesBiomarkersPeptide Fragmentstau ProteinsAlzheimer’s diseaseAβ42CSFP-taustrategic roadmapT-tau

Identifiers

PMID33674895
PMCPMC8175301

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.