Abstract
We propose a method for selecting pre-symptomatic subjects likely to have amyloid plaques in the brain, based on the automatic analysis of neuropsychological and MRI data and using a cross-validated binary classifier. By avoiding systematic PET scan for selecting subjects, it reduces the cost of forming cohorts of subjects with amyloid plaques for clinical trials, by scanning fewer subjects but increasing the number of recruitments. We validate our method on three cohorts of subjects at different disease stages, and compare the performance of six classifiers, showing that the random forest yields good results more consistently, and that the method generalizes well when tested on an unseen data set.
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Acknowledgement
This work was partly funded by ERC grant N\(^\text {o}\)678304, H2020 EU grant N\(^\text {o}\)666992 and ANR grant ANR-10-IAIHU-06. HH is supported by the AXA Research Fund, the Fondation UPMC and the Fondation pour la Recherche sur Alzheimer, Paris, France. OC is supported by a “contrat d’interface local” from AP-HP.
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Ansart, M. et al. (2017). Prediction of Amyloidosis from Neuropsychological and MRI Data for Cost Effective Inclusion of Pre-symptomatic Subjects in Clinical Trials. In: Cardoso, M., et al. Deep Learning in Medical Image Analysis and Multimodal Learning for Clinical Decision Support . DLMIA ML-CDS 2017 2017. Lecture Notes in Computer Science(), vol 10553. Springer, Cham. https://doi.org/10.1007/978-3-319-67558-9_41
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DOI: https://doi.org/10.1007/978-3-319-67558-9_41
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