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Updated: Sep 20, 2025

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
06:35

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis

Published on: February 8, 2019

7.3K

Patients' Baseline Characteristics, but Not Tocilizumab Exposure, Affect Severe Outcomes Onset in Giant Cell

Cyril Dumain1, Jonathan Broner1, Erik Arnaud1

  • 1Internal Medicine Department, CHU Nîmes, University of Montpellier, 30029 Nîmes, France.

Journal of Clinical Medicine
|June 10, 2022
PubMed

Insights

Giant cell arteritis (GCA) patients who are diabetic or overweight face higher risks of severe outcomes. Tailored treatment and vaccinations are crucial for this high-risk group. Tocilizumab

Area of Science:

  • Rheumatology
  • Internal Medicine

Background:

  • Giant cell arteritis (GCA) is linked to severe complications, including infections and cardiovascular events.
  • Understanding risk factors in GCA patients is crucial for improving outcomes.

Purpose of the Study:

  • To investigate the impact of patient characteristics and treatment on severe outcomes in GCA.
  • To identify predictive factors for severe outcomes in a real-world GCA cohort.

Main Methods:

  • Retrospective analysis of real-world GCA patients with at least six months of follow-up.
  • Survival analysis incorporating time-dependent covariates for glucocorticoid (GC) and tocilizumab (TCZ) exposure.
  • Assessment of patient characteristics (e.g., BMI, diabetes) and treatment exposure.

Main Results:

  • Diabetes and overweight (BMI ≥ 25 kg/m2) at baseline were significant predictors of severe outcomes (HR 2.41 and 2.08, respectively).
  • Over a 48-month follow-up, 77% of patients experienced severe outcomes, including infections (29%) and cardiovascular diseases (18%).
  • Tocilizumab (TCZ) exposure did not demonstrate a statistically significant reduction in severe outcomes in this cohort.

Conclusions:

  • Diabetic and overweight GCA patients represent a high-risk group requiring personalized management strategies, including vaccinations.
  • Further research is needed to clarify the role of TCZ in mitigating severe outcomes in GCA.

Keywords:
cardiovascular eventsdiabetesgiant cell arteritisglucocorticoidsinfectionsoverweighttocilizumab

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