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<dc:title xml:lang="fr">Traitement des douleurs neuropathiques : évaluation préclinique de la combinaison THN101, entre amitriptyline et méfloquine.</dc:title>
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<dcterms:abstract xml:lang="fr">Les douleurs neuropathiques représentent un enjeu de santé dans les pays vieillissants comme la France. En effet, leur survenue impacte significativement la qualité de vie des patients, sur les plans privé et professionnel. De nos jours, la prise en charge médicale de ces douleurs se fait en première intention avec des antiépileptiques ou des antidépresseurs, dont l’amitriptyline. Néanmoins, ces traitements, dont le délai thérapeutique peut être long, ne sont pas systématiquement efficaces ou entrainent des effets indésirables parfois invalidants. Par conséquent, les recherches visent à mieux connaître la physiopathologie des douleurs neuropathiques et les mécanismes d’action de leurs traitements. Un certain nombre d’études chez l’animal ont mis en évidence un remodelage glial lors de la mise en place des neuropathies, impliquant les jonctions communicantes. Or, la modulation des protéines transmembranaires qui les composent a montré des effets bénéfiques sur les symptômes douloureux dans de nombreux modèles. Aussi, la co-administration d’amitriptyline et de méfloquine (modulateur glial) permet d’améliorer significativement les effets induits par le traitement de référence seul, dans des modèles in vitro ou in vivo. L’objectif de cette thèse a été d’en déterminer les mécanismes d’action dans un modèle préclinique.</dcterms:abstract>
<dcterms:abstract xml:lang="en">Neuropathic pain is a health issue in aging countries such as France. Indeed, it has a significant impact on patients' quality of life, both privately and professionally. Nowadays, first-line treatments are antiepileptics or antidepressants, notably amitriptyline. However, these treatments, which may take a long time to treat, are not systematically effective and may have disabling side effects. Therefore, the research aims to better understand the mechanisms of neuropathic pain and the mechanisms of action of its treatment. Several animal studies have shown glial remodeling during neuropathies involving gap junctions. However, the modulation of their transmembrane proteins has shown beneficial effects on painful symptoms in many models. Also, co-administration of amitriptyline and mefloquine (glial modulator) significantly improves the effects induced by amitriptyline alone, in vitro, or in vivo. The goal of this thesis was to determine the mechanisms of action of this combination in a preclinical model.</dcterms:abstract>
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