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Analysis of early recognition and differential diagnosis of patients with adolescent encephalitis with psychotic symptoms

Analysis of early recognition and differential diagnosis of patients with adolescent encephalitis with psychotic symptoms

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500104755
Enrollment
Unknown
Registered
2025-06-23
Start date
2025-07-01
Completion date
Unknown
Last updated
2025-06-30

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

Conditions

Autoimmune encephalitis

Interventions

Autoimmune encephalitis (AE) with psychiatric symptoms:None
AE without psychiatric symptoms:None
Patients with adolescent-onset schizophrenia:None

Sponsors

Peking University Sixth Hospital ( Institute of Mental Health )
Lead Sponsor

Eligibility

Sex/Gender
All
Age
12 Years to 19 Years

Inclusion criteria

Inclusion criteria: 1. Age 12-19 years old, meet the criteria for the diagnosis of AE in the 2022 Chinese Expert Consensus on the Diagnosis and Treatment of Autoimmune Encephalitis (2022 Edition), and the blood and cerebrospinal fluid samples were tested by the Neurology Laboratory of Peking Union Medical College Hospital: A. Subacute (rapidly progressing within 3 months) onset of working memory deficits (short-term memory loss. , seizures, psychiatric symptoms, suggestive of limbic involvement. B. FLAIR sequence from MRI showing abnormal signal shadows on the medial temporal lobes of both sides. C. At least 1 of the following: a. Cerebrospinal fluid leukocytosis (white blood cell count > 5×10^6/L); b. EEG suggests epileptiform discharges or slow-wave activity originating from the temporal lobe. D. Reasonable exclusion of other causes. 2. All patients received first- or second-line immunotherapy. First-line immunotherapy includes glucocorticoids, gamma globulin, and plasma exchange, and second-line immunotherapy includes rituximab, mycophenol mofetil, azathioprine, etc. 3. Patients with ovarian teratoma will be treated with tumor resection. 4. Laboratory examination of cerebrospinal fluid AE-related antibody positive, antibody detection method is indirect immunofluorescence. All patients were tested for cerebrospinal fluid AE-related antibodies. 5. The patients were all autoimmune encephalitis, and the onset of the disease was not treated with hormonal immunotherapy. 6. Agree to cooperate with follow-up observation, improve the compliance of examination and treatment, and the clinical data are more complete.

Exclusion criteria

Exclusion criteria: 1. Exclude positive anti-neuronal antibodies caused by other diseases, such as herpes simplex virus and varicella-zoster virus infection; 2. Patients with a family history of other neurological diseases or psychiatric diseases, including viral encephalitis, glioma, neurosyphilis, metabolic encephalopathy, drug poisoning, rheumatic diseases, neurovascular diseases involving cerebrovascular diseases, mitochondrial diseases, etc.; 3. Patients with severe multi-system diseases: such as liver or kidney insufficiency, severe acid-base imbalance, gastrointestinal bleeding, fatal arrhythmia, severe brain injury, etc. 4. Those who are lost to follow-up or whose family members refuse to follow-up. 5. Patients with incomplete clinical data.

Design outcomes

Primary

MeasureTime frame
NEOS;MRS;

Countries

China

Contacts

Public ContactYuan Junliang

Peking University Sixth Hospital ( Institute of Mental Health )

yuan_doctor@163.com+86 10 62723887

Outcome results

None listed

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