Simulating the outcome of amyloid treatments in Alzheimer's Disease from multi-modal imaging and clinical data - Archive ouverte HAL Access content directly
Journal Articles Brain Communications Year : 2021

Simulating the outcome of amyloid treatments in Alzheimer's Disease from multi-modal imaging and clinical data

Abstract

In this study we investigate a novel quantitative instrument for the development of intervention strategies for disease modifying drugs in Alzheimer's disease. Our framework is based on the modeling of the spatio-temporal dynamics governing the joint evolution of imaging and clinical biomarkers along the history of the disease, and allows the simulation of the effect of intervention time and drug dosage on the biomarkers' progression. When applied to multi-modal imaging and clinical data from the Alzheimer's Disease Neuroimaging Initiative our method enables to generate hypothetical scenarios of amyloid lowering interventions. The results quantify the crucial role of intervention time, and provide a theoretical justification for testing amyloid modifying drugs in the pre-clinical stage. Our experimental simulations are compatible with the outcomes observed in past clinical trials, and suggest that anti-amyloid treatments should be administered at least 7 years earlier than what is currently being done in order to obtain statistically powered improvement of clinical endpoints.
Fichier principal
Vignette du fichier
revised_manuscript.pdf (1.68 Mo) Télécharger le fichier
Origin : Files produced by the author(s)

Dates and versions

hal-02968724 , version 1 (16-10-2020)
hal-02968724 , version 2 (23-10-2020)
hal-02968724 , version 3 (05-11-2020)
hal-02968724 , version 4 (10-02-2021)

Identifiers

Cite

Clément Abi Nader, Nicholas Ayache, Giovanni B Frisoni, Philippe Robert, Marco Lorenzi. Simulating the outcome of amyloid treatments in Alzheimer's Disease from multi-modal imaging and clinical data. Brain Communications, 2021, ⟨10.1093/braincomms/fcab091⟩. ⟨hal-02968724v4⟩
308 View
181 Download

Altmetric

Share

Gmail Facebook X LinkedIn More