Vasculitis & polymyalgia rheumatica

Baricitinib for Takayasu arteritis refractory to TNF-α inhibitors: a multicentre, single-arm trial

Rheumatology (Oxford)Published Single-arm trial

An erratum to this article was published (Rheumatology (Oxford), 30 Jun 2026 ↗)

Authors' conclusion

Baricitinib is effective in patients with TAK resistant to conventional treatments and anti-TNF-α therapy and demonstrates a notable steroid-sparing effect.

Study context

Population
Patients with TAK unresponsive to at least 6 months of TNFi; median age 29 years, median disease duration 56.5 monthsnine female, one male
Participants
10 patients
Outcome
Overall response (ORR) (CR plus PR)
Follow-up
24 weeks
Methodological detailsmulticentre, February 2021 to August 2023
  • Multicentre
  • February 2021 to August 2023

Main finding

As reported in the abstract

ORR (CR plus PR)

Overall response (ORR) at 24 weeks

80%

CR

6 patients

PR

2 patients

Further findings

Disease progression · 24 weeks

Disease progression in the remaining patients
2

Median GC dosage · baseline to 24 weeks

Median GC dosage at baseline, mg/day (15.0, 26.3)
20.0
Median GC dosage at 24 weeks, mg/day (4.4, 10.6)
6.3
Change vs baseline
P < 0.001

Disease activity, ESR and CRP · 24 weeks

Significantly decreased compared with baseline

Relapse among responders

No relapse in the eight patients who achieved a response

Safety

Upper respiratory tract infection

Upper respiratory tract infection, n
2

Diarrhoea

Diarrhoea, n
1

Serious adverse effects (AEs)

No serious AEs reported

Original publication

Baricitinib for Takayasu arteritis refractory to TNF-α inhibitors: a multicentre, single-arm trial. Rheumatology (Oxford). Published 24 May 2025. doi:10.1093/rheumatology/keaf286

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