Autoinflammatory & rare systemic diseases

Comparative Efficacy and Safety of Anakinra and Canakinumab in Patients With VEXAS Syndrome: An International Multicenter Study

Arthritis RheumatolPublished Multicentre retrospective cohort study

Authors' conclusion

Canakinumab demonstrated superior clinical response and drug survival with fewer adverse events compared with anakinra.

Study context

Population
Male patients with VEXAS syndrome treated with IL-1 inhibition, France, Israel and Italy47 patients
Participants
44 vs 9
Exposure
Anakinra vs canakinumab
  • Anakinran = 44reference
  • Canakinumabn = 9
Outcome
Global response (GR): absence of inflammatory symptoms and ≥50% decrease in steroid dose and CRP
Methodological detailsinternational
  • International

Main finding

As reported in the abstract

GR · 1 month

P < 0.001

Observational data: associations, not effects.

Further findings

GR · 3 months — Anakinra vs Canakinumab

P = 0.001

OutcomeOR (95% CI)P value
GR · 3 monthsCanakinumabvs AnakinraMultivariable analysis28.8 (3.0–273.9)P = 0.004
OutcomeAnakinraCanakinumabP value
Drug survivalCanakinumab 300 mg/month vs Anakinra · across the three groupsMedian 1 (IQR 1–2.5) months— not stated in the abstractP = 0.01

— not stated in the abstract

  • Drug survival: Canakinumab 300 mg/month Median 54 (IQR 30–56) months
  • Drug survival: Canakinumab 150 mg/month Median 7 (IQR 4–8) months

Safety

Injection-site reactions

P = 0.006

Infections

P = 0.3

Original publication

Comparative Efficacy and Safety of Anakinra and Canakinumab in Patients With VEXAS Syndrome: An International Multicenter Study. Arthritis Rheumatol. Published 12 December 2025. doi:10.1002/art.43384

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