ArticleCureus2025
Dopamine Supersensitivity Psychosis Resolved With Electroconvulsive Therapy (ECT) in a Patient With Treatment-Resistant Schizophrenia: A Case Report.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Psychosis, Catatonia and Tachypnoea Following Paliperidone Palmitate 3-Monthly Injection Error: Case Report.Case reports in psychiatry · 2026Article
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Authors and funding
5 authors.
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Abstract
In individuals with schizophrenia, high-dose antipsychotic medication can induce an upregulation of the brain's dopamine D2 receptors (D2Rs), leading to dopamine supersensitivity (DS) or dopamine supersensitivity psychosis (DSP). For patients with established DSP, a reduction in the increased D2R density is sought, which in theory will restore the patients' therapeutic responsiveness to antipsychotics. We describe the case of a 50-year-old Japanese woman with schizophrenia who fulfilled the criteria for DSP and recovered from DSP after undergoing electroconvulsive therapy (ECT). Before the ECT, she had exhibited serious psychotic symptoms requiring admission and was treated with the chlorpromazine (CPZ) equivalent dose of 1,250 mg. After the ECT, she achieved a >2-year period of remission with a 35% reduction in the dose of the antipsychotic. Considering that ECT leads to D2R downregulation, the reduction in this patient's maintained antipsychotic dose may reflect the normalization of increased D2R density, resulting in the resolution of the DS state by ECT. This patient's case indicates that for individuals with schizophrenia and DPS, the application of ECT may effectively restore the therapeutic response to antipsychotics.
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