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Twenty-year effects of antipsychotics in schizophrenia and affective psychotic disorders

Published online by Cambridge University Press:  08 February 2021

Martin Harrow ,
Thomas H Jobe  and
Liping Tong
Martin Harrow*
Affiliation:
Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
Thomas H Jobe
Affiliation:
Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
Liping Tong
Affiliation:
Advocoate Aurora Health, Downers Grove, IL, USA
*
Author for correspondence: Martin Harrow, E-mail: mharrow@uic.edu
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Abstract

Background

Studies that examine course and outcome in psychosis have reported considerable heterogeneity in terms of recovery, remission, employment, symptom presentation, social outcomes, and antipsychotic medication effects. Even with demonstrated heterogeneity in course and outcome, prophylactic antipsychotic maintenance therapy remains the prominent practice, particularly in participants with schizophrenia. Lack of efficacy in maintenance antipsychotic treatment and concerns over health detriments gives cause to re-examine guidelines.

Methods

This study was conducted as part of the Chicago follow-up study designed as a naturalistic prospective longitudinal research study to investigate the course, outcome, symptomatology, and effects of antipsychotic medication on recovery and rehospitalization in participants with serious mental illness disorders. A total of 139 participants with 734 observations were included in the analysis. GEE logistic models were applied to adjust for confounding factors measured at index hospitalization and follow-ups.

Results

Our data show that the majority of participants with schizophrenia or affective psychosis experience future episodes of psychosis at some point during the 20-year follow-up. There was a significant diagnostic difference between groups showing an increase in the number of future episodes of psychosis in participants with schizophrenia. Participants with schizophrenia not on antipsychotics after the first 2 years have better outcomes than participants prescribed antipsychotics. The adjusted odds ratio of not on antipsychotic medication was 5.989 (95% CI 3.588–9.993) for recovery and 0.134 (95% CI 0.070–0.259) for rehospitalization. That is, regardless of diagnosis, after the second year, the absence of antipsychotics predicted a higher probability of recovery and lower probability of rehospitalization at subsequent follow-ups after adjusting for confounders.

Conclusion

This study reports multiple findings that bring into question the use of continuous antipsychotic medications, regardless of diagnosis. Even when the confound by indication for prescribing antipsychotic medication is controlled for, participants with schizophrenia and affective psychosis do better than their medicated cohorts, strongly confirming the importance of exposing the role of aiDSP and antipsychotic drug resistance.

Keywords

Schizophreniaffective psychosisantipsychotic medicationdopamine supersensitivity psychosislongitudinal study
Type
Original Article
Information
Psychological Medicine , Volume 52 , Issue 13 , October 2022 , pp. 2681 - 2691
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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