Impact of the 2008-2012 French Alzheimer Plan on the use of cerebrospinal fluid biomarkers in research memory center: the PLM Study. Gabelle, A., Dumurgier, J., Vercruysse, O., Paquet, C., Bombois, S., Laplanche, J., Peoc'h, K., Schraen, S., Buée, L., Pasquier, F., Hugon, J., Touchon, J., & Lehmann, S. Journal of Alzheimer's disease: JAD, 34(1):297–305, 2013. doi abstract bibtex The French Alzheimer's Disease Plan aims, in an unprecedented national effort, to develop research, promote optimal diagnosis, and take better care of patients. In order to evaluate the clinical interest and use of cerebrospinal fluid (CSF) biomarkers, a data-sharing project, the PLM (Paris-North, Lille and Montpellier) study has emerged through collaboration between these memory centers, already involved in this field. The revised Alzheimer's disease (AD) diagnosis criteria include CSF biomarkers, but little is known about their use in routine clinical practice. To evaluate their interest and diagnostic accuracy in routine AD diagnosis, a cohort of 677 patients from Montpellier was first analyzed. The results were then validated through the analysis of a second cohort of 638 patients from Lille and Paris-Nord. Diagnoses of AD and other dementias were established by multidisciplinary expert teams, based on neuropsychological exams and structural brain imaging, blinded from CSF results. CSF amyloid-β, tau, and p-tau concentrations were measured for all patients. Receiver-operating characteristic curves were used to define cut-offs and evaluate the ability of each biomarker to discriminate AD from other diagnoses. We showed that p-tau outperformed other biomarkers for discriminating AD from non-AD patients and presents a clear clinical interest. The other biomarkers also showed relevant variations especially when the differential AD diagnoses were taken into account. Altogether we could demonstrate in both mono-centric and multi-centric cohorts from memory clinics the capacity of CSF biomarkers to discriminate AD from non-AD patients in clinical routine with a high sensitivity and specificity.
@article{gabelle_impact_2013,
title = {Impact of the 2008-2012 {French} {Alzheimer} {Plan} on the use of cerebrospinal fluid biomarkers in research memory center: the {PLM} {Study}},
volume = {34},
issn = {1875-8908},
shorttitle = {Impact of the 2008-2012 {French} {Alzheimer} {Plan} on the use of cerebrospinal fluid biomarkers in research memory center},
doi = {10.3233/JAD-121549},
abstract = {The French Alzheimer's Disease Plan aims, in an unprecedented national effort, to develop research, promote optimal diagnosis, and take better care of patients. In order to evaluate the clinical interest and use of cerebrospinal fluid (CSF) biomarkers, a data-sharing project, the PLM (Paris-North, Lille and Montpellier) study has emerged through collaboration between these memory centers, already involved in this field. The revised Alzheimer's disease (AD) diagnosis criteria include CSF biomarkers, but little is known about their use in routine clinical practice. To evaluate their interest and diagnostic accuracy in routine AD diagnosis, a cohort of 677 patients from Montpellier was first analyzed. The results were then validated through the analysis of a second cohort of 638 patients from Lille and Paris-Nord. Diagnoses of AD and other dementias were established by multidisciplinary expert teams, based on neuropsychological exams and structural brain imaging, blinded from CSF results. CSF amyloid-β, tau, and p-tau concentrations were measured for all patients. Receiver-operating characteristic curves were used to define cut-offs and evaluate the ability of each biomarker to discriminate AD from other diagnoses. We showed that p-tau outperformed other biomarkers for discriminating AD from non-AD patients and presents a clear clinical interest. The other biomarkers also showed relevant variations especially when the differential AD diagnoses were taken into account. Altogether we could demonstrate in both mono-centric and multi-centric cohorts from memory clinics the capacity of CSF biomarkers to discriminate AD from non-AD patients in clinical routine with a high sensitivity and specificity.},
language = {eng},
number = {1},
journal = {Journal of Alzheimer's disease: JAD},
author = {Gabelle, Audrey and Dumurgier, Julien and Vercruysse, Olivier and Paquet, Claire and Bombois, Stéphanie and Laplanche, Jean-Louis and Peoc'h, Katell and Schraen, Susanna and Buée, Luc and Pasquier, Florence and Hugon, Jacques and Touchon, Jacques and Lehmann, Sylvain},
year = {2013},
pmid = {23186986},
keywords = {Aged, Alzheimer Disease, Humans, Cognition Disorders, Female, Male, Middle Aged, Retrospective Studies, tau Proteins, Reproducibility of Results, Aged, 80 and over, Amyloid beta-Peptides, Biomarkers, Cohort Studies, France, ROC Curve},
pages = {297--305}
}
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