Childhood-onset Takayasu Arteritis.
Florence A Aeschlimann1, Marinka Twilt2, Rae S M Yeung3
1Paediatric Immunology, Hematology and Rheumatology Unit, Hôpital Necker - Enfants Malades, Paris, France; Division of Paediatrics, Kantonsspital Winterthur, Winterthur, Switzerland.
European Journal of Rheumatology
|August 5, 2022
Summary
Childhood-onset Takayasu Arteritis (cTAK) is a rare pediatric vasculitis affecting major arteries. While new treatments like TNF- or IL-6 inhibitors show promise, disease burden and prognosis remain significant challenges.
Area of Science:
- Pediatric Rheumatology
- Vasculitis Research
- Immunology
Background:
- Childhood-onset Takayasu Arteritis (cTAK) is a rare, severe large-vessel vasculitis impacting children.
- It primarily affects the aorta and its branches, leading to systemic inflammation and organ ischemia.
- High disease burden, frequent flares, and significant morbidity/mortality characterize cTAK.
Purpose of the Study:
- To review recent evidence on Childhood-onset Takayasu Arteritis.
- To focus on pediatric publications and observations.
- To highlight advancements in understanding and managing cTAK.
Main Methods:
- Literature review of recent pediatric publications.
- Synthesis of evidence on disease pathobiology and clinical manifestations.
- Analysis of treatment outcomes with pathway-targeting agents.
Main Results:
- cTAK causes severe clinical manifestations due to inflammation and ischemia.
- Pathway-targeting agents (TNF-, IL-6 inhibitors) have improved disease control.
- Despite advances, prognosis remains guarded with significant accrued damage.
Conclusions:
- Recent advances offer improved disease control for cTAK.
- Understanding pathobiology has led to targeted therapies.
- Continued research is crucial for better long-term outcomes in pediatric vasculitis.
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