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     <dc:title xml:lang="fr">Évolution des médicaments anticorps conjugués : un changement de paradigme des biomarqueurs en oncologie, exemple du biomarqueur HER2</dc:title>
     <dcterms:alternative xml:lang="en">The evolution of antibody-drug conjugates : a paradigm shift in oncology biomarkers. The example of the HER2 biomarker.</dcterms:alternative>
     <dc:subject xml:lang="fr">Oncologie</dc:subject><dc:subject xml:lang="fr">médecine de précision</dc:subject><dc:subject xml:lang="fr">thérapie ciblée</dc:subject><dc:subject xml:lang="fr">anticorps conjugués</dc:subject><dc:subject xml:lang="fr">biomarqueurs</dc:subject><dc:subject xml:lang="fr">HER2</dc:subject><dc:subject xml:lang="fr">effet bystander</dc:subject><dc:subject xml:lang="fr">trastuzumab emtansine (T-DM1)</dc:subject><dc:subject xml:lang="fr">trastuzumab déruxtécan (T-DXd)</dc:subject>
     <dc:subject xml:lang="en">Oncology</dc:subject><dc:subject xml:lang="en">precision medicine</dc:subject><dc:subject xml:lang="en">targeted therapy</dc:subject><dc:subject xml:lang="en">antibody-drug conjugates (ADC)</dc:subject><dc:subject xml:lang="en">biomarkers</dc:subject><dc:subject xml:lang="en">HER2</dc:subject><dc:subject xml:lang="en">bystander effect</dc:subject><dc:subject xml:lang="en">trastuzumab emtansine (T-DM1)</dc:subject><dc:subject xml:lang="en">trastuzumab deruxtecan (T-DXd)</dc:subject><tef:sujetRameau><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="078973260">Gène HER-2</tef:elementdEntree>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="030203341">Conjugués anticorps-médicament‎</tef:elementdEntree>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="069770662">Trastuzumab‎</tef:elementdEntree>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="172275245">Médecine personnalisée</tef:elementdEntree>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="128976675">Thérapie moléculaire ciblée</tef:elementdEntree>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027357414">Cancérologie</tef:elementdEntree>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027623106">Marqueurs biologiques</tef:elementdEntree>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="243787243">Effet du témoin </tef:elementdEntree>
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     <dcterms:abstract xml:lang="fr">Cette thèse explore l’évolution des biomarqueurs en oncologie à travers l’exemple des médicaments anticorps conjugués (antibody-drug conjugates, ADC), en particulier dans le contexte du cancer du sein avec une surexpression de HER2. Initialement conçus pour délivrer de manière ciblée des agents cytotoxiques aux cellules surexprimant le récepteur HER2, les ADC illustrent les progrès de la médecine de précision. En retraçant l’histoire des anticorps monoclonaux ainsi que des ADC de première, deuxième, et troisième génération, ce travail met en évidence une transition progressive vers des mécanismes d’action élargis, notamment l’effet bystander. Ce phénomène, qui permet une action au-delà des cellules strictement HER2-positives, remet en question la définition classique de biomarqueur en tant qu’élément strictement prédictif de la réponse thérapeutique. L’évolution technologique des ADC semble ainsi s’accompagner d’une redéfinition du rôle et de la spécificité des biomarqueurs en oncologie. </dcterms:abstract>
     <dcterms:abstract xml:lang="en">This thesis explores the evolution of biomarkers in oncology through the example of antibody-drug conjugates (ADCs), particularly in the context of breast cancer with HER2 overexpression. Originally designed to selectively deliver cytotoxic agents to cells overexpressing the HER2 receptor, ADCs exemplify the advancements in precision medicine. By tracing the history of monoclonal antibodies and first-, second-, and third-generation ADCs, this work highlights a gradual shift toward broader mechanisms of action, notably the bystander effect. This phenomenon, which enables activity beyond strictly HER2-positive cells, challenges the classical definition of a biomarker as a strictly predictive indicator of therapeutic response. The technological evolution of ADCs thus appears to be accompanied by a redefinition of the role and specificity of biomarkers in oncology.</dcterms:abstract>
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       <tef:nom>Frin</tef:nom>
       <tef:prenom>Louise</tef:prenom>
       
       <tef:dateNaissance>1999-09-07</tef:dateNaissance>
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                        <dc:identifier xsi:type="tef:NNT">2025URENP047</dc:identifier>
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