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     <dc:title xml:lang="fr"> Impact de la complexité des designs d’étude sur la performance de la recherche clinique en France</dc:title>
     <dcterms:alternative xml:lang="en"> Impact of clinical trial design complexity on clinical research performance in France</dcterms:alternative>
     <dc:subject xml:lang="fr"> recherche biomédicale</dc:subject><dc:subject xml:lang="fr">développement clinique</dc:subject><dc:subject xml:lang="fr">méthodologie en recherche clinique</dc:subject><dc:subject xml:lang="fr">protocole d’études cliniques</dc:subject><dc:subject xml:lang="fr">essais cliniques</dc:subject><dc:subject xml:lang="fr">designs complexes</dc:subject><dc:subject xml:lang="fr">recrutement</dc:subject><dc:subject xml:lang="fr">données patients</dc:subject><dc:subject xml:lang="fr">optimisation des designs</dc:subject><dc:subject xml:lang="fr">performance de la recherche clinique</dc:subject>
     <dc:subject xml:lang="en">Biomedical Research /methods</dc:subject><dc:subject xml:lang="en">Clinical Protocols</dc:subject><dc:subject xml:lang="en">Clinical Trials as Topic / methods</dc:subject><dc:subject xml:lang="en"> Design complexity</dc:subject><dc:subject xml:lang="en">Patient Selection</dc:subject><dc:subject xml:lang="en">Patient Dropouts / statistics &amp; numerical data</dc:subject><dc:subject xml:lang="en">Design optimization</dc:subject><dc:subject xml:lang="en">Clinical trial performance</dc:subject><dc:subject xml:lang="en">managing complexity</dc:subject><tef:sujetRameau><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027792803">Sciences de la santé</tef:elementdEntree><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeSujet" autoriteExterne="027315754">Recherche</tef:subdivision>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027238989">Médecine clinique</tef:elementdEntree><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeSujet" autoriteExterne="027239489">Méthodologie</tef:subdivision>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="031453996">Essais cliniques des médicaments </tef:elementdEntree>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027607690">Malades</tef:elementdEntree><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeSujet" autoriteExterne="027798887">Recrutement</tef:subdivision>
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     <dcterms:abstract xml:lang="fr">La recherche clinique est une étape clé dans le cycle de vie du médicament. En effet, la mise sur le marché et donc l’accès des patients aux traitements innovants dépend des résultats des essais cliniques. A ce titre, le développement clinique porte des enjeux sanitaires et économiques considérables. Les entreprises du médicament se doivent ainsi de mener des études d’une qualité irréprochable, afin de garantir l’efficacité et la sécurité d’emploi du produit à l’étude, tout en respectant des délais les plus courts possibles. La durée de développement joue un rôle crucial dans ce secteur extrêmement compétitif, où le moindre retard représente une perte de chance d’apporter une innovation et surtout une exclusivité plus courte compte tenu du brevet. Les essais cliniques ont beaucoup évolué ces dernières années. Les avancées scientifiques, les évolutions sociétales et les différentes crises sanitaires ont contribué à la modification de la réglementation, tant nationale qu’internationale. Les pratiques et les méthodes se sont affinées pour répondre à cette réglementation de plus en plus stricte et surtout pour garantir la protection des volontaires se prêtant à la recherche. D’autre part, les défis de la recherche clinique sont grandissants. Les études portent sur des maladies complexes et sur des sous-populations particulières très spécifiques. Toutes ces caractéristiques impactent inexorablement la conception des protocole d’étude. Il est par ailleurs aujourd’hui largement admis que la conception du protocole joue un rôle crucial dans la réussite des études cliniques. Cependant les modifications apportées au protocoles ces dernières années et l’impact de ces évolutions sur la performance des essais a été très peu étudié jusqu’à maintenant, et notamment en France. Pour mesurer les tendances en matière de conception de protocoles, les données de 313 études Roche de phase I à III réalisés entre 2001 et 2018 ont été analysées. Les résultats de cette étude indiquent que le nombre de critères de jugements et le nombre de critères d’éligibilité sont en hausse croissante depuis les 20 dernières années. De plus, la performance de la recherche clinique tend à se détériorer, en France comme à l’international. Le taux de recrutement est en baisse, les durées de démarrage s’allongent et le nombre de centre diminue. La France se démarque des autres pays par son délai de démarrage particulièrement long et ayant augmenté depuis 2001. L’adoption de nouvelles stratégies de conception et d’optimisation des designs d’études pour les entreprises du médicament est devenue une étape inévitable. Des adaptations anticipées du design sont à discuter et seraient susceptibles de réduire les coûts et finalement d’améliorer les chances de succès et de performance des études.</dcterms:abstract>
     <dcterms:abstract xml:lang="en">Clinical research is a key step in the drug’s life cycle. Indeed, the the placing on the market and therefore thepatients' access to innovative treatments depends on the results of clinical trials. As such, clinical development carries considerable health and economic challenges. Drug companies must therefore carry out studies of impeccable quality, in order to guarantee the effectiveness and safety of use of the product under study, while respecting the shortest possible deadlines. Development time plays a crucial role in this extremely competitive area, where the slightest delay represents a loss of opportunity to bring an innovation and especially a shorter exclusivity given the patent. Clinical trials have evolved considerably in recent years. Scientific advances, societal developments and various health crises have contributed to regulatory changes, both nationally and internationally. Practices and methods have been refined to meet these increasingly stringent regulations and, above all, to ensure the protection of research volunteers. On the other hand, the challenges of clinical research are growing. The studies focus on complex diseases and very specific subpopulations. All these characteristics inexorably impact the design of study protocols. It is now widely accepted that protocol design plays a crucial role in the success of clinical studies. However, the changes made to the protocols in recent years and the impact of these developments on the performance of the tests have been studied very little so far, and especialy in France. To measure protocol design trends, data from 313 Phase I to III Roche studies conducted between 2001 and 2018 were analyzed. The results of this study indicate that the number of judging criteria and the number of eligibility criteria have been increasing steadily over the past 20 years. In addition, the performance of clinical research tends to deteriorate, both in France and internationally. The recruitment rate is declining, start-up times are increasing and the number of centres is decreasing. France stands out from other countries for its particularly long start-up time, which has increased since 2001. The adoption of new design and design optimization strategies for drug companies has become an inevitable step. Early design adaptations are to be discussed and could reduce costs and ultimately improve the chances of success and performance of studies. </dcterms:abstract>
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