Vasculitis & polymyalgia rheumatica

Maintenance of Remission After Tocilizumab Withdrawal in Patients With Glucocorticoid‐Dependent Polymyalgia Rheumatica

Arthritis RheumatolPublished Follow-up study of the SEMAPHORE randomised trial

Authors' conclusion

Among patients with GC-dependent PMR in remission after a six-month TCZ treatment, only a minority of the patients remained relapse-free after TCZ discontinuation.

Study context

Population
Patients with glucocorticoid (GC)-dependent polymyalgia rheumatica (PMR) who achieved remission (PMR-AS <10 and GC dose reduction) at week 24 of tocilizumab (TCZ) in the SEMAPHORE trial26 followed to week 48
Participants
33 patients
Primary endpoint
Relapse after stopping TCZ (failure of the primary composite outcome during follow-up or need for ≥1 TCZ infusion)
Follow-up
Week 48
Methodological detailssingle-group follow-up after TCZ withdrawal, Kaplan-Meier analysis
  • Single-group follow-up after TCZ withdrawal
  • Kaplan-Meier analysis

Primary result

As reported in the abstract

Relapse after TCZ withdrawal (failure of primary composite outcome or need for ≥1 TCZ infusion)

Patients who experienced a relapse

24

92.3%

Patients with sustained remission in the following six months

2 of 26

7.7%

Further findings

Median time to relapse
15 weeks (IQR, 8-25 weeks)
  • Kaplan-Meier analysis

Original publication

Maintenance of Remission After Tocilizumab Withdrawal in Patients With Glucocorticoid‐Dependent Polymyalgia Rheumatica. Arthritis Rheumatol. Published 29 July 2025. doi:10.1002/art.43221

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