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Vers une définition patient-spécifique du taux cible de facteur anti-hémophilique à partir de la génération de thrombine : Apports des approches expérimentales et des modèles dynamiques de la cascade de la coagulation

Abstract : Haemophilia is a genetic disease corresponding to the deficiency of coagulation factor VIII or IX and leading to a bleeding tendency. The current substitutive treatment is defined essentially by the basal level of deficient factor and not the individual capacity to generate thrombin, a key enzyme of the clot formation. The thrombin generation assay could help in the individualisation of the anti-haemophilia treatment. Indeed, the factor VIII or IX level needed to normalise the thrombin generation vary potentially from one patient to another for a same degree of severity. We can wonder which experimental approach could emphasise the relation between level of anti-haemophilic factor and thrombin generation. Is it possible to mathematically model coagulation to obtain a relation, either explicit, or implicit, between factor level and thrombin generation? Could existing models provide this relation? An extensive experimental campaign was carried out to build a database that has been used to identify the determinant coagulation factors of thrombin generation and the individual relation between thrombin generation and anti-haemophilic factor level, to define their reference values, and also to evaluate and parametrise subject-specifically mathematical models of the coagulation cascade
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Pierre Chelle. Vers une définition patient-spécifique du taux cible de facteur anti-hémophilique à partir de la génération de thrombine : Apports des approches expérimentales et des modèles dynamiques de la cascade de la coagulation. Autre. Université de Lyon, 2017. Français. ⟨NNT : 2017LYSEM014⟩. ⟨tel-01848726⟩

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