Cited by 22Schizophrenia research and treatmentPsychiatric care and mental health servicesPsychopathy, Forensic Psychiatry, Sexual Offending

Real-World Clinical Outcomes Two Years After Transition to Psychosis in Individuals at Clinical High Risk: Electronic Health Record Cohort Study

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Fusar-Poli, Paolo, De Micheli, Andrea, Patel, Rashmi, Signorini, Lorenzo, Miah, Syed, Spencer, Thomas, McGuire, Philip·2020·Schizophrenia Bulletin

Abstract

The objective of this study is to describe the 2-year real-world clinical outcomes after transition to psychosis in patients at clinical high-risk. The study used the clinical electronic health record cohort study including all patients receiving a first index primary diagnosis of nonorganic International Classification of Diseases (ICD)-10 psychotic disorder within the early psychosis pathway in the South London and Maudsley (SLaM) National Health Service (NHS) Trust from 2001 to 2017. Outcomes encompassed: cumulative probability (at 3, 6, 12, and 24 months) of receiving a first (1) treatment with antipsychotic, (2) informal admission, (3) compulsory admission, and (4) treatment with clozapine and (5) numbers of days spent in hospital (at 12 and 24 months) in patients transitioning to psychosis from clinical high-risk services (Outreach and Support in south London; OASIS) compared to other first-episode groups. Analyses included logistic and 0-inflated negative binomial regressions. In the study, 1561 patients were included; those who had initially been managed by OASIS and had subsequently transitioned to a first episode of psychosis (n = 130) were more likely to receive antipsychotic medication (at 3, 6, and 24 months; all P < .023), to be admitted informally (at all timepoints, all P < .004) and on a compulsory basis (at all timepoints, all P < .013), and to have spent more time in hospital (all timepoints, all P < .007) than first-episode patients who were already psychotic when seen by the OASIS service (n = 310), or presented to early intervention services (n = 1121). The likelihood of receiving clozapine was similar across all groups (at 12/24 months, all P < .101). Transition to psychosis from a clinical high-risk state is associated with severe real-world clinical outcomes. Prevention of transition to psychosis should remain a core target of future research. The study protocol was registered on www.researchregistry.com; researchregistry5039).

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  • Transition to psychosis is associated with baseline levels of attenuated positive psychotic symptoms (OR=2.56) and negative symptoms (OR=2.68), while good functioning reduces the risk (OR=0.59).

    “Transition to psychosis is associated with clinically meaningful real-world outcomes 89 and is modulated by baseline levels of attenuated positive psychotic (OR=2.56) and negative (OR=2.68) symptoms, while good functioning reduces the risk (OR=0.59) 44 .”

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  1. Fusar-Poli P, Cappucciati M, Borgwardt S, et al. Heterogeneity of psychosis risk within individuals at clinical high risk: a meta- analytical stratification. JAMA Psychiatry. 2016;73(2):113-120.

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Authors
Fusar-Poli, P., De Micheli, A., Patel, R., Signorini, L., Miah, S., Spencer, T., & McGuire, P.
Affiliations
  • Early Psychosis: Interventions and Clinical-Detection Lab, Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, UK
  • King's College London (GB)
Venue
Schizophrenia Bulletin
Published
2020-04-18
Volume
46
Issue
5
Pages
1114-1125
ISSN
  • 0586-7614 (ISSN-L)
  • 1745-1701
OpenAlex
W3017370768
Cited by
22
References
59
Citations by year
2026: 5 · 2025: 2 · 2024: 2 · 2023: 2 · 2022: 3 · 2021: 6 · 2020: 2
FWCI
2.37
Type
journal article
Language
en
Open access
Locations
  • Schizophrenia Bulletin (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion, other-oa)
Funders
  • National Institute for Health Research
  • South London and Maudsley NHS Foundation Trust
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Social Sciences › Psychology › Clinical Psychology › Psychiatric care and mental health services
  • Social Sciences › Psychology › Clinical Psychology › Psychopathy, Forensic Psychiatry, Sexual Offending
Keywords
clinical high risk for psychosis, transition to psychosis

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