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A Study on the Rapid Antisuicidal Mechanism and Therapeutic Efficacy Prediction of Ketamine Based on Glu/GABA Metabolism in the Prefrontal-Limbic System Circuit

A Study on the Rapid Antisuicidal Mechanism and Therapeutic Efficacy Prediction of Ketamine Based on Glu/GABA Metabolism in the Prefrontal-Limbic System Circuit

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500108533
Enrollment
Unknown
Registered
2025-09-01
Start date
2025-09-20
Completion date
Unknown
Last updated
2025-09-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Major depressive disorder with suicidal ideation

Interventions

major depressive disorder without suicidal ideation:none
major depressive disorder with suicidal ideation:Intravenous injection of ketamine

Sponsors

Beijing Anding Hospital, Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Meets the diagnostic criteria for a depressive episode in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), either first episode or recurrence, without psychotic symptoms. 2. Aged 18 to 65; gender unrestricted; Han ethnicity; right-handed. 3. With or without suicidal ideation: A score of >=6 on the Beck Scale for Suicide Ideation (BSS) was used as the criterion for the presence of suicidal ideation. 4. No contraindications to MRI scans such as electronic and metal device implants; 5. Sign the informed consent form;

Exclusion criteria

Exclusion criteria: 1. Current or past diagnoses that meet the criteria of other significant conditions in DSM-5, excluding depressive disorders, include schizophrenia spectrum and other psychotic disorders, bipolar and related disorders, neurodevelopmental disorders, neurocognitive disorders, disruptive impulse control and conduct disorders; 2. There are serious organic diseases or medical histories of important systems or organs; 3. Having evidence of drug dependence and use of psychoactive substances; 4. Pregnant or lactating female patients; 5. The researchers determined that those with poor compliance or who were not suitable for participation; 6. Those with metal implants or dentures in their bodies, pregnant or lactating women, and those with claustrophobia, etc., cannot undergo MRI scans;

Design outcomes

Primary

MeasureTime frame
Imaging differences between the group with reduced suicidal ideation and the group with unaltered suicidal ideation;Imaging differences in the group with reduced suicidal ideation before and after ketamine treatment;Neuroimaging features that predict the anti-suicidal effect of ketamine;

Secondary

MeasureTime frame
The correlation between neuroimaging features and the individual factor scores of MADRS, HAMD, etc.;

Countries

China

Contacts

Public ContactAihong Yu

Beijing Anding Hospital, Capital Medical University

imaging2008@sina.com+86 10 5830 0233

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026