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@ARTICLE{Wolters:904375,
author = {Wolters, E. E. and Dodich, A. and Boccardi, M. and Corre,
J. and Drzezga, Alexander and Hansson, O. and Nordberg, A.
and Frisoni, G. B. and Garibotto, V. and Ossenkoppele, R.},
title = {{C}linical validity of increased cortical uptake of
[18{F}]flortaucipir on {PET} as a biomarker for
{A}lzheimer’s disease in the context of a structured
5-phase biomarker development framework},
journal = {European journal of nuclear medicine and molecular imaging},
volume = {48},
number = {7},
issn = {0340-6997},
address = {Heidelberg [u.a.]},
publisher = {Springer-Verl.},
reportid = {FZJ-2021-05945},
pages = {2097 - 2109},
year = {2021},
abstract = {Purpose: In 2017, the Geneva Alzheimer's disease (AD)
Biomarker Roadmap initiative adapted the framework of the
systematic validation of oncological diagnostic biomarkers
to AD biomarkers, with the aim to accelerate their
development and implementation in clinical practice. With
this work, we assess the maturity of [18F]flortaucipir PET
and define its research priorities.Methods: The level of
maturity of [18F]flortaucipir was assessed based on the AD
Biomarker Roadmap. The framework assesses analytical
validity (phases 1-2), clinical validity (phases 3-4), and
clinical utility (phase 5).Results: The main aims of phases
1 (rationale for use) and 2 (discriminative ability) have
been achieved. [18F]Flortaucipir binds with high affinity to
paired helical filaments of tau and has favorable kinetic
properties and excellent discriminative accuracy for AD. The
majority of secondary aims of phase 2 were fully achieved.
Multiple studies showed high correlations between
ante-mortem [18F]flortaucipir PET and post-mortem tau (as
assessed by histopathology), and also the effects of
covariates on tracer binding are well studied. The aims of
phase 3 (early detection ability) were only partially or
preliminarily achieved, and the aims of phases 4 and 5 were
not achieved.Conclusion: Current literature provides partial
evidence for clinical utility of [18F]flortaucipir PET. The
aims for phases 1 and 2 were mostly achieved. Phase 3
studies are currently ongoing. Future studies including
representative MCI populations and a focus on healthcare
outcomes are required to establish full maturity of phases 4
and 5.Keywords: Alzheimer’s disease; Biomarker-based
diagnosis; PET; Strategic roadmap; [18F]flortaucipir.},
cin = {INM-2},
ddc = {610},
cid = {I:(DE-Juel1)INM-2-20090406},
pnm = {5253 - Neuroimaging (POF4-525)},
pid = {G:(DE-HGF)POF4-5253},
typ = {PUB:(DE-HGF)16},
pubmed = {33547556},
UT = {WOS:000615202400001},
doi = {10.1007/s00259-020-05118-w},
url = {https://juser.fz-juelich.de/record/904375},
}