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Evaluation des consommations médicamenteuses associées au décours d'un lymphome : approche pharmacoépidémiologique

Abstract : This thesis presents a pharmacoepidemiology approach to describe drug utilization in lymphomas during their whole care pathway. The use of the French claims database (Système National d'Informations Inter-Régimes de l'Assurance Maladie (SNIIRAM)) allows to exhaustively quantify this drug utilization in real life conditions. This thesis consists of three mains objectives. First, we aimed to develop validated algorithms for the identification of incident cases of lymphoma. For the validation, we used data from a regional Cancer Registry as the gold standard. The purpose of this validation study was to enhance validity of future studies conducted on lymphomas in the SNIIRAM database. The results of this study associated to strengths of this database demonstrate that this approach is of great interest to conduct pharmacoepidemiological or medico-economic studies in lymphomas. Second, we aimed to estimate the incidence of use of psychotropic drugs during the active treatment phase of lymphoma in comparison with control groups. Indeed, the increased probability of developing anxio-depressive disorders after diagnosis could lead to an increased initiation of psychotropic drugs and a potential inappropriate chronic use of these drugs after initiation. Such inappropriate chronic use can unnecessarily expose patients to adverse event. For this aim, we conducted a new-user cohort study using data from the SNIIRAM database. The results of this study revealed that the initiation rate of these drugs is higher than in the general population or for life-threatening diseases such as myocardial infarction. Moreover, we observed an inappropriate prolonged use for a significant fraction of patients (20% to more than 50% according to therapeutic class). On the basis of these findings, the third objective was to identify factors associated with prolonged use of these drugs during survivorship. This study was conducted using data from the General Sample of Beneficiaries (EGB). [...]
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Cécile Conte. Evaluation des consommations médicamenteuses associées au décours d'un lymphome : approche pharmacoépidémiologique. Médecine humaine et pathologie. Université Paul Sabatier - Toulouse III, 2018. Français. ⟨NNT : 2018TOU30185⟩. ⟨tel-02316177⟩

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