Subtyping based on premorbid profile: A strategy to personalize treatment in first-episode affective psychosis.
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- doi: 10.1111/eip.13130
- issn: 1751-7885
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Psychotic disorders PsychosisCiter ce document
J. Ramain et al., « Subtyping based on premorbid profile: A strategy to personalize treatment in first-episode affective psychosis. », Serveur académique Lausannois, ID : 10.1111/eip.13130
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Premorbid history may have a major influence on the way patients cope with the onset of psychosis. This issue has been widely studied in the context of early intervention in schizophrenia but considerably less is known regarding affective psychosis. Our first goal was to investigate if subgroups could be identified among affective psychosis patients based on premorbid factors. Our second goal was to compare these subtypes according to the evolution of mood symptoms and outcomes at the end of the program. We conducted a 3-year prospective study on a sample of 74 adults aged 18-35 with a first episode of affective psychosis. Latent class analysis (LCA) was used to reveal distinct exploratory subgroups within affective psychosis patients. Three distinct subgroups could be distinguished. One with later onset of psychosis mainly including women with more severe depressive symptoms in the first 6 months contrasting with two other subgroups with more severe manic symptoms all along the follow-up and earlier onset of psychosis, with or without many serious antecedents. The subgroup with many serious antecedents was more likely to require several hospitalizations, less likely to achieve recovery, especially regarding professional integration and return to premorbid general functioning. This study provides further evidence of poor functional recovery in the early phase of affective psychosis and shows that premorbid characteristics allow the identification of subgroups with distinct outcome which may require specification of treatment.