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Schizophrenia and informed consent to research

Abstract : CONTEXT: Informed consent to research remains a complex issue, while sometimes staying difficult to obtain, even in the general population. This problem may be maximized with patients suffering from schizophrenia. OBJECTIVE: This paper summarizes available data in the literature about informed consent for research involving patients suffering from schizophrenia. METHOD: Medline and Google Scholar searches were conducted using the following MESH terms: schizophrenia, informed consent and research. RESULTS: Studies using dedicated standardized scales (e.g. MacCAT-CR) revealed a decrease in the capacity to consent of patients with schizophrenia when compared with healthy individuals. Keeping in mind that schizophrenia is an heterogeneous disorder, patients with the lowest insight as well as those with the most severe cognitive symptoms appeared more impaired in their capacity to consent. Such a poor capacity to understand and consent to trials was shown linked with alterations in decision-making. For these specific patients, interventions may be set up to increase their capacity to consent. Various strategies were proposed: enhanced consent forms, extended discussion, test/feedback method or multimedia interventions. Among them, interventions relying on communication and the growing field of information technologies (e.g. web-based tools) seem promising. Finally, associations grouping families and patients (like the French Association UNAFAM) may facilitate the involvement of patients in research programs with safer conditions. CONCLUSION: Patients suffering from schizophrenia appear able to consent to research programs when suitable interventions are proposed. Further studies are now needed to optimize and individualize such interventions.
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https://hal.univ-lille.fr/hal-02539890
Contributeur : Lilloa Université de Lille <>
Soumis le : vendredi 10 avril 2020 - 14:29:55
Dernière modification le : samedi 11 avril 2020 - 01:43:07

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Thomas Fovet, Ali Amad, Pierre Thomas, Renaud Jardri. Schizophrenia and informed consent to research. L'Encéphale, Elsevier Masson, 2015, L’Encéphale, 41 (5), pp.394-402. ⟨10.1016/j.encep.2014.07.004⟩. ⟨hal-02539890⟩

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