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@ARTICLE{Leuzy:155429,
author = {Leuzy, A. and Ashton, N. J. and Mattsson-Carlgren, N. and
Dodich, A. and Boccardi, M. and Corre, J. and Drzezga,
Alexander and Nordberg, A. and Ossenkoppele, R. and
Zetterberg, H. and Blennow, K. and Frisoni, G. B. and
Garibotto, V. and Hansson, O.},
title = {2020 update on the clinical validity of cerebrospinal fluid
amyloid, tau, and phospho-tau as biomarkers for
{A}lzheimer’s disease in the context of a structured
5-phase development framework},
journal = {European journal of nuclear medicine and molecular imaging},
volume = {48},
number = {7},
issn = {1619-7089},
address = {Heidelberg [u.a.]},
publisher = {Springer-Verl.},
reportid = {DZNE-2021-00635},
pages = {2121 - 2139},
year = {2021},
abstract = {Purpose: In 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.Methods: A 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.Results: By 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.Conclusions: Though 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.},
subtyp = {Review Article},
keywords = {Alzheimer Disease: diagnosis / Amyloid beta-Peptides /
Biomarkers / Humans / Peptide Fragments / tau Proteins},
cin = {AG Boccardi / Rostock / Greifswald common},
ddc = {610},
cid = {I:(DE-2719)5000062 / I:(DE-2719)6000017},
pnm = {353 - Clinical and Health Care Research (POF4-353)},
pid = {G:(DE-HGF)POF4-353},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:33674895},
pubmed = {33674895},
pmc = {pmc:PMC8175301},
doi = {10.1007/s00259-021-05258-7},
url = {https://pub.dzne.de/record/155429},
}