Distress related to attenuated psychotic symptoms: Static and dynamic association with transition to psychosis, non-remission and transdiagnostic symptomatology in clinical high-risk patients in an international intervention trial.
AuthorNelson, B; Yuen, HP; Amminger, GP; Berger, G; Chen, EYH; de Haan, L; Hartmann, JA; Hickie, IB; Lavoie, S; Markulev, C; ...
Source TitleSchizophrenia Bulletin
PublisherOxford University Press (OUP)
University of Melbourne Author/sAmminger, Guenter; Yung, Alison; Nelson, Christopher; Hartmann, Jessica
AffiliationCentre for Youth Mental Health
Document TypeJournal Article
CitationsNelson, B., Yuen, H. P., Amminger, G. P., Berger, G., Chen, E. Y. H., de Haan, L., Hartmann, J. A., Hickie, I. B., Lavoie, S., Markulev, C., Mossaheb, N., Nieman, D. H., Nordentoft, M., Polari, A., Riecher-Rössler, A., Schäfer, M. R., Schlögelhofer, M., Smesny, S., Tedja, A. ,... McGorry, P. D. (2020). Distress related to attenuated psychotic symptoms: Static and dynamic association with transition to psychosis, non-remission and transdiagnostic symptomatology in clinical high-risk patients in an international intervention trial.. Schizophr Bull, https://doi.org/10.1093/schizbullopen/sgaa006.
Access StatusOpen Access
This study examined whether distress in relation to attenuated psychotic symptoms (DAPS) is associated with clinical outcomes in an ultra-high-risk (UHR) for psychosis sample. We also investigated whether DAPS is associated with cognitive style (attributional style and cognitive biases) and whether amount of psychosocial treatment provided is associated with reduction in DAPS. The study was a secondary analysis of the 'Neurapro' clinical trial of omega-3 fatty acids. 304 UHR patients were recruited across ten early intervention services. Data from baseline assessment, regular assessments over 12 months and medium term follow up (mean=3.4 years) were used for analysis. Findings indicated: a positive association between DAPS assessed over time and transition to psychosis; a significant positive association between baseline and longitudinal DAPS and transdiagnostic clinical and functional outcomes; a significant positive association between baseline and longitudinal DAPS and non-remission of UHR status. There was no relationship between severity of DAPS and cognitive style. A greater amount of psychosocial treatment (cognitive-behavioural case management) was associated with an increase in DAPS scores. The study indicates that UHR patients who are more distressed by their attenuated psychotic symptoms are more likely to have a poorer clinical trajectory transdiagnostically. Assessment of DAPS may therefore function as a useful marker of risk for a range of poor outcomes. The findings underline the value of repeated assessment of variables and incorporation of dynamic change into predictive modelling. More research is required into mechanisms driving distress associated with symptoms and the possible bidirectional relationship between symptom severity and associated distress.
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