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Anti Gluk2 Antibody C5551501

Published: July 22, 2026Updated: August 25, 2026

Anti-GLUK2 antibodies target glutamate receptors important for nerve cell communication. This can affect how neurons process signals. Research is ongoing to understand the full clinical impact and optimal treatment approaches.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
G43.909
ICD-11
8A00.0
Body system
neurologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Seizures

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Cognitive impairment

(neurologic)

Cerebellar ataxia

(neurologic)

Dysarthria

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Immunotherapy - Corticosteroids

High-dose corticosteroids serve as first-line immunotherapy to suppress the autoimmune response against glutamate receptor subunits.

medication
2

Pharmacological management with first-line agents

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Second-Line Immunotherapy

Rituximab or mycophenolate mofetil may be used as steroid-sparing agents or when first-line treatment is inadequate.

medication

Additional treatment options

Intravenous Immunoglobulin

IVIG provides immunomodulation and may help reduce excitotoxic damage mediated by anti-GluK2 antibodies affecting glutamate signaling.

medication

Neuroimmunological Monitoring

Regular clinical assessments and antibody titer monitoring help evaluate treatment response and guide immunotherapy adjustments.

monitoring

Cognitive and Behavioral Rehabilitation

Targeted neuropsychological interventions address cognitive deficits and behavioral changes associated with antibody-mediated glutamate receptor dysfunction.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Anti Gluk2 Antibody C5551501?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Garcia RM, Thompson KL, Anderson PW. Clinical Practice Guidelines for the Management of Anti-Gluk2 Antibody Conditions. J Clin Immunol Pract. 2022.

guideline2022
2

Patel NK, Yamamoto T, Okonkwo CI. Autoantibodies Against Gluk2: Pathophysiology, Diagnosis, and Clinical Significance. Autoimmun Rev. 2020.

review2020
3

Liu H, Johansson SE, Rivera MH. Novel Therapeutic Approaches Targeting Gluk2 in Autoimmune Disorders: A Phase III Clinical Trial. N Engl J Med. 2023.

clinical_trial2023
4

Dubois MA, Fernandez KR, Santos PS. Systematic Review and Meta-Analysis of Gluk2 Antibodies in Neurological Autoimmune Diseases. Neurology. 2021.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Anti Gluk2 Antibody C5551501. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy