MRAβ: A multimodal MRI‐derived amyloid‐β biomarker for Alzheimer's disease

Y Zhang, X Li, Y Ji, H Ding, X Suo, X He… - Human Brain …, 2023 - Wiley Online Library
Abstract Florbetapir 18F (AV45), a highly sensitive and specific positron emission
tomographic (PET) molecular biomarker binding to the amyloid‐β of Alzheimer's disease …

Fast and accurate amyloid brain PET quantification without MRI using deep neural networks

SK Kang, D Kim, SA Shin, YK Kim… - Journal of Nuclear …, 2023 - Soc Nuclear Med
This paper proposes a novel method for automatic quantification of amyloid PET using deep
learning–based spatial normalization (SN) of PET images, which does not require MRI or CT …

Preclinical evaluation of novel PET probes for dementia

R Cools, K Kerkhofs, RCF Leitao, G Bormans - Seminars in Nuclear …, 2023 - Elsevier
The development of novel PET imaging agents that selectively bind specific dementia-
related targets can contribute significantly to accurate, differential and early diagnosis of …

Imaging methods applicable in the diagnostics of Alzheimer's disease, considering the involvement of insulin resistance

P Hnilicova, E Kantorova, S Sutovsky, M Grofik… - International Journal of …, 2023 - mdpi.com
Alzheimer's disease (AD) is an incurable neurodegenerative disease and the most
frequently diagnosed type of dementia, characterized by (1) perturbed cerebral perfusion …

Multimodal brain age estimates relate to Alzheimer disease biomarkers and cognition in early stages: a cross-sectional observational study

PR Millar, BA Gordon, PH Luckett, TLS Benzinger… - Elife, 2023 - elifesciences.org
Background: Estimates of 'brain-predicted age'quantify apparent brain age compared to
normative trajectories of neuroimaging features. The brain age gap (BAG) between …

Longitudinal head-to-head comparison of 11C-PiB and 18F-florbetapir PET in a Phase 2/3 clinical trial of anti-amyloid-β monoclonal antibodies in dominantly …

CD Chen, A McCullough, B Gordon… - European journal of …, 2023 - Springer
Abstract Purpose Pittsburgh Compound-B (11C-PiB) and 18F-florbetapir are amyloid-β (Aβ)
positron emission tomography (PET) radiotracers that have been used as endpoints in …

Microglial activation, tau and amyloid deposition in TREM2 p. R47H carriers and mild cognitive impairment patients: a multi-modal/multi-tracer PET/MRI imaging study …

O Cousins, JJ Schubert, A Chandra… - Journal of …, 2023 - Springer
Background Microglia are increasingly understood to play an important role in the
pathogenesis of Alzheimer's disease. The rs75932628 (p. R47H) TREM2 variant is a well …

Operationalizing the centiloid scale for [18F]florbetapir PET studies on PET/MRI

W Coath, M Modat, MJ Cardoso… - Alzheimer's & …, 2023 - Wiley Online Library
INTRODUCTION The Centiloid scale aims to harmonize amyloid beta (Aβ) positron
emission tomography (PET) measures across different analysis methods. As Centiloids were …

Head-to-head comparison of relative cerebral blood flow derived from dynamic [18F]florbetapir and [18F]flortaucipir PET in subjects with subjective cognitive decline

H Tuncel, D Visser, T Timmers, EE Wolters… - EJNMMI research, 2023 - Springer
Background Dynamic PET imaging studies provide accurate estimates of specific binding,
but also measure the relative tracer delivery (R1), which is a proxy for relative cerebral blood …

A new accuracy metric under three classes when subclasses are involved and its confidence interval estimation

N Nan, L Tian - Statistics in Medicine, 2023 - Wiley Online Library
“Compound multi‐class classification” refers to the setting where three or more main classes
are involved and at least one of the main classes have multiple subclasses. A common …