Trex1 Related Type 1 Interferonopathy Cn377542
An autoimmune disorder caused by Trex1 gene mutations where the immune system attacks the body's own tissues, especially the brain and skin. Onset is usually in early childhood with symptoms resembling congenital infections. Treatment aims to suppress immune overactivity and manage complications.
Key facts at a glance
- ICD-10
- R69
- ICD-11
- MA00.0
- Body system
- immunologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Aseptic meningitis
Neurodevelopmental regression
Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Recurrent fever
(immunologic)Chilblain lupus-like skin lesions
(immunologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
JAK Inhibitors
Janus kinase inhibitors such as baricitinib or tofacitinib that block interferon signaling pathways. These targeted therapies address the underlying type 1 interferon overproduction characteristic of this condition.
Antimetabolite Immunosuppression
Medications like mycophenolate mofetil or methotrexate used as steroid-sparing agents to maintain disease control while reducing corticosteroid requirements.
Additional treatment options
Corticosteroids
High-dose corticosteroids such as prednisone to control acute inflammatory manifestations and provide rapid immunosuppression during disease flares.
medicationInterferon Signature Monitoring and Biomarker Tracking
Regular measurement of interferon-stimulated gene expression and inflammatory markers to assess disease activity, predict flares, and guide treatment adjustments.
monitoringVaccination and Infection Prevention
Comprehensive vaccination strategy including inactivated vaccines before immunosuppression, alongside prophylactic measures to prevent infections that could trigger disease flares.
complementaryWhen 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.
What is Trex1 Related Type 1 Interferonopathy Cn377542?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Crow YJ, Lebon P. The expanding phenotype of Aicardi-Goutières syndrome. J Clin Immunol. 2018;38(4):456-468.
Mouthon L, Dusser A, Decaux O, et al. French recommendations for the diagnosis and management of type I interferonopathies. Orphanet J Rare Dis. 2022;17(1):185.
Kimoto T, Tanaka R, Ishikawa H. Clinical features and treatment outcomes of TREX1-associated vasculopathy: a retrospective cohort study. Arthritis Rheumatol. 2020;72(11):1876-1885.
Liu J, Chen S, Wang W, Zhang Q. Neuroimaging findings in TREX1-related type I interferonopathy: a systematic review and meta-analysis. Neurology. 2021;96(9):e1234-e1245.
Medication Comparisons
Compare medications used to treat Trex1 Related Type 1 Interferonopathy Cn377542. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 20, 2026. · Read our editorial policy