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Biomarkers in humans: From diagnostic to therapy evaluation tools. ❖ Dubois ... Percentage of success after the first test in humans ... ➢Plus de 1 000 000 000€.
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Médecine translationnelle et stratégies d'évaluation de médicaments de la cible à l'homme: Exemple de la maladie d'Alzheimer Marc Dhenain URA CEA CNRS 2210 – MIRCen - Fontenay aux Roses Eq. Maladie d'Alzheimer : Modélisation, Biomarqueurs, Imageries Précliniques http://mamobipet.free.fr/Teaching/Teaching.html Translational Research in Neurological Diseases, M. Dhenain - May 2013

Overview ƒ Overview on neurodegenerative diseases ƒ Strategies for the discovery of new therapies ™ From phenotypic to target based approaches ™ Biomarkers, POM, POC ™ Use of animal model: Target models, predictive models, and biomarkers

ƒ Biomarkers in humans: From diagnostic to therapy evaluation tools ™ ™ ™ ™

Dubois Criteria / ADNI initiative Cerebral atrophy (MRI) Brain metabolism (PET) Amyloid plaques (PET)

ƒ Animal models of Alzheimer's disease ™ Most used models of AD ™ Can we predict clinical efficacy of a drug with these models ? ¾ "Classical view" of translational medicine ¾ Translational bridges

ƒ Conclusion Translational Research in Neurological Diseases, M. Dhenain - May 2013

Neurodegenerative diseases Disease

Anatomy

Alzheimer

cortex

Parkinson

subst. nigra

80 000

Huntington

striatum

6 000

Spino-cereb. ataxia

cerebellum

Amyotrophic Lat. Scler. cortex, medulla Multiple Sclerosis

cortex, stem, medulla

Patients (Fr) 860 000