Antipsychotic Drug Effects on Left Prefrontal Phospholipid Metabolism: A Follow-up 31P-2D-CSI Study of Haloperidol and Risperidone in Acutely Ill Chronic Schizophrenia Patients
Abstract
Introduction ³¹Phosphorous magnetic resonance spectroscopy (2D chemical shift imaging, CSI) allows multiregional study of membrane phospholipids and high-energy phosphates in vivo. Increased membrane lipid turnover and impaired energy supply have repeatedly been shown in first-episode schizophrenia patients, and might be a target of drug actions other than dopamine receptors. Here, we explored differential metabolic effects of a typical vs. an atypical antipsychotic on brain phospholipids.Methods We applied 2D-CSI MR spectroscopy in 17 recurrent-episode schizophrenia patients off antipsychotics at baseline and at follow-up after 6 weeks, during which 7 patients were treated with haloperidol (10-16 mg/d) and 10 with risperidone (4-6 mg/d). Psychopathology changes were assessed using PANSS, BPRS and CGI scores.Results Follow-up analysis using repeated measure ANOVA revealed different effects of both antipsychotic agents: while risperidone generally increased metabolite levels, haloperidol showed a tendency to decrease them. This diverging effect was significant for ATP levels in the left lateral frontal cortex. Furthermore, risperidone increased ATP in the left dorsolateral prefrontal cortex, left anterior temporal cortex and left insular cortex, basal ganglia, and anterior cerebellum, along with left frontal and prefrontal increase of PCr, PDE and PME in these brain regions.Conclusion Risperidone seems to stimulate neuronal and synaptic phospholipid remodeling in left frontal and prefrontal regions, and to a lesser extent also in temporal and insular cortices. We discuss these effects with respect to clinical effects on negative and cognitive symptoms, as well as interaction of phospholipid metabolism with glutamatergic neurotransmission.
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Risperidone stimulates the remodeling of neuronal and synaptic phospholipids.
“Using this technique, the authors showed that risperidone stimulates the remodeling of neuronal and synaptic phospholipids.”
From Lipids in Psychiatric Disorders: Functional and Potential Diagnostic Role as Blood Biomarkers (2024) · cites this paper as [139]
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Lipids in Psychiatric Disorders: Functional and Potential Diagnostic Role as Blood Biomarkers
Zorkina, Y., Ushakova, V., Ochneva, A., Tsurina, A., Abramova, O., Savenkova, V., Goncharova, A., Alekseenko, I., Morozova, I., Riabinina, D., et al. (2024) · Metabolites · doi:10.3390/metabo14020080 · Cited by 36 · see citing works
- Authors
- Smesny, S., Langbein, K., Rzanny, R., Gussew, A., Burmeister, H. P., Reichenbach, J. R., & Sauer, H.
- Affiliations
- Jena University Hospital (DE)
- Corresponding author
- Smesny, Stefan
- Venue
- Schizophrenia Research
- Publisher
- Elsevier BV
- Published
- 2012-07
- Volume
- 138
- Issue
- 2-3
- Pages
- 164-170
- ISSN
- 0920-9964 (ISSN-L)
- OpenAlex
- W2080859696
- Cited by
- 18
- References
- 32
- Citations by year
- 2025: 1 · 2024: 1 · 2023: 1 · 2021: 1 · 2020: 1 · 2019: 2 · 2018: 2 · 2016: 3 · 2015: 2 · 2013: 3 · 2012: 1
- FWCI
- 1.37
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Schizophrenia Research (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Deutsche Forschungsgemeinschaft
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
- Keywords
- antipsychotic drugs, haloperidol
- MeSH terms
- Adult, Basal Ganglia, Cerebellum, Cerebral Cortex, Female, Haloperidol, Humans, Male, Membrane Lipids, Middle Aged, Magnetic Resonance Spectroscopy, Phospholipids, Phosphorus Isotopes, Schizophrenia, Antipsychotic Agents, Risperidone, Lipid Metabolism
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