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@ARTICLE{Bollack:269681,
author = {Bollack, Ariane and Collij, Lyduine E and García, David
Vállez and Shekari, Mahnaz and Altomare, Daniele and
Payoux, Pierre and Dubois, Bruno and Grau-Rivera, Oriol and
Boada, Mercè and Marquié, Marta and Nordberg, Agneta and
Walker, Zuzana and Scheltens, Philip and Schöll, Michael
and Wolz, Robin and Schott, Jonathan M and Gismondi,
Rossella and Stephens, Andrew and Buckley, Christopher and
Frisoni, Giovanni B and Hanseeuw, Bernard and Visser, Pieter
Jelle and Vandenberghe, Rik and Drzezga, Alexander and
Yaqub, Maqsood and Boellaard, Ronald and Gispert, Juan
Domingo and Markiewicz, Pawel and Cash, David M and Farrar,
Gill and Barkhof, Frederik},
collaboration = {consortium, AMYPAD},
title = {{I}nvestigating reliable amyloid accumulation in
{C}entiloids: {R}esults from the {AMYPAD} {P}rognostic and
{N}atural {H}istory {S}tudy.},
journal = {Alzheimer's and dementia},
volume = {20},
number = {5},
issn = {1552-5260},
address = {Hoboken, NJ},
publisher = {Wiley},
reportid = {DZNE-2024-00595},
pages = {3429 - 3441},
year = {2024},
abstract = {To support clinical trial designs focused on early
interventions, our study determined reliable early
amyloid-β (Aβ) accumulation based on Centiloids (CL) in
pre-dementia populations.A total of 1032 participants from
the Amyloid Imaging to Prevent Alzheimer's
Disease-Prognostic and Natural History Study (AMYPAD-PNHS)
and Insight46 who underwent [18F]flutemetamol,
[18F]florbetaben or [18F]florbetapir amyloid-PET were
included. A normative strategy was used to define reliable
accumulation by estimating the 95th percentile of
longitudinal measurements in sub-populations (NPNHS =
101/750, NInsight46 = 35/382) expected to remain stable over
time. The baseline CL threshold that optimally predicts
future accumulation was investigated using precision-recall
analyses. Accumulation rates were examined using linear
mixed-effect models.Reliable accumulation in the PNHS was
estimated to occur at >3.0 CL/year. Baseline CL of 16
[12,19] best predicted future Aβ-accumulators. Rates of
amyloid accumulation were tracer-independent, lower for APOE
ε4 non-carriers, and for subjects with higher levels of
education.Our results support a 12-20 CL window for
inclusion into early secondary prevention studies. Reliable
accumulation definition warrants further investigations.},
keywords = {Humans / Male / Female / Positron-Emission Tomography /
Aged / Amyloid beta-Peptides: metabolism / Alzheimer
Disease: diagnostic imaging / Alzheimer Disease: metabolism
/ Aniline Compounds / Prognosis / Middle Aged / Longitudinal
Studies / Stilbenes / Brain: diagnostic imaging / Brain:
metabolism / Benzothiazoles / Alzheimer's (Other) /
Centiloid (Other) / amyloid (Other) / longitudinal PET
(Other) / quantification (Other) / reliable accumulation
(Other)},
cin = {AG Boecker},
ddc = {610},
cid = {I:(DE-2719)1011202},
pnm = {353 - Clinical and Health Care Research (POF4-353)},
pid = {G:(DE-HGF)POF4-353},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:38574374},
pmc = {pmc:PMC11095430},
doi = {10.1002/alz.13761},
url = {https://pub.dzne.de/record/269681},
}