Transdiagnostic subgroups of cognitive impairment in early affective and psychotic illness

Julian Wenzel*, Luzie Badde, Shalaila S. Haas, Carolina Bonivento, Tamsyn E. Van Rheenen, Linda A. Antonucci, Anne Ruef, Nora Penzel, Marlene Rosen, Theresa Lichtenstein, Paris Alexandros Lalousis, Marco Paolini, Alexandra Stainton, Udo Dannlowski, Georg Romer, Paolo Brambilla, Stephen J. Wood, Rachel Upthegrove, Stefan Borgwardt, Eva MeisenzahlRaimo K. R. Salokangas, Christos Pantelis, Rebekka Lencer, Alessandro Bertolino, Joseph Kambeitz, Nikolaos Koutsouleris, Dominic B. Dwyer, Lana Kambeitz-Ilankovic, PRONIA Consortium

*Corresponding author for this work

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Abstract

Cognitively impaired and spared patient subgroups were identified in psychosis and depression, and in clinical high-risk for psychosis (CHR). Studies suggest differences in underlying brain structural and functional characteristics. It is unclear whether cognitive subgroups are transdiagnostic phenomena in early stages of psychotic and affective disorder which can be validated on the neural level. Patients with recent-onset psychosis (ROP; N = 140; female = 54), recent-onset depression (ROD; N = 130; female = 73), CHR (N = 128; female = 61) and healthy controls (HC; N = 270; female = 165) were recruited through the multi-site study PRONIA. The transdiagnostic sample and individual study groups were clustered into subgroups based on their performance in eight cognitive domains and characterized by gray matter volume (sMRI) and resting-state functional connectivity (rsFC) using support vector machine (SVM) classification. We identified an impaired subgroup (NROP = 79, NROD = 30, NCHR = 37) showing cognitive impairment in executive functioning, working memory, processing speed and verbal learning (all p < 0.001). A spared subgroup (NROP = 61, NROD = 100, NCHR = 91) performed comparable to HC. Single-disease subgroups indicated that cognitive impairment is stronger pronounced in impaired ROP compared to impaired ROD and CHR. Subgroups in ROP and ROD showed specific symptom- and functioning-patterns. rsFC showed superior accuracy compared to sMRI in differentiating transdiagnostic subgroups from HC (BACimpaired = 58.5%; BACspared = 61.7%, both: p < 0.01). Cognitive findings were validated in the PRONIA replication sample (N = 409). Individual cognitive subgroups in ROP, ROD and CHR are more informative than transdiagnostic subgroups as they map onto individual cognitive impairment and specific functioning- and symptom-patterns which show limited overlap in sMRI and rsFC. Clinical trial registry name: German Clinical Trials Register (DRKS). Clinical trial registry URL: https://www.drks.de/drks_web/. Clinical trial registry number: DRKS00005042.
Original languageEnglish
Pages (from-to)573-583
Number of pages11
JournalNeuropsychopharmacology
Volume49
Issue number3
Early online date22 Sept 2023
DOIs
Publication statusPublished - Feb 2024

Bibliographical note

Funding
This work was supported in analysis and writing of the manuscript by the European Union-FP7 project PRONIA (“Personalized Prognostic Tools for Early Psychosis Management”, grant number 602152). JW was partly supported by the NARSAD Young Investigator Award of LK through the Brain & Behavior Research Foundation (grant number 28474). RU achieved grants from Medical Research Council, grants from the National Institute for Health Research, and personal fees from Sunovion. TL was supported by the Koeln Fortune Program/Faculty of Medicine, University of Cologne (No 370/2020). CP was supported by a National Health and Medical Research Council (NHMRC) Senior Principal Research Fellowship (1105825), an NHMRC L3 Investigator Grant (1196508), and NHMRC-EU grant (1075379). SSH was supported by NIH National Institute of Mental Health, grant T32MH122394. TEVR was supported by an Al and Val Rosenstrauss Fellowship from the Rebecca L. Cooper Medical Research Foundation. This paper should be linked to a future Research Highlight to be written by Dr. Kathryn Lewandowski. Open Access funding enabled and organized by Projekt DEAL.

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