Vasculitis & polymyalgia rheumatica

Cost effectiveness of avacopan for ANCA-associated vasculitis in China

Clin Exp RheumatolPublished Cost-effectiveness analysis

Main finding · QALYs, LYs, total costs and ICERResult — go to the resultICER $6,146 per QALY

Authors' conclusion

Avacopan-based regimens are cost-effective versus GC-based therapy for GPA/MPA in China

Study context

Population
Adults with granulomatosis with polyangiitis (GPA) or microscopic polyangiitis (MPA) in China; baseline characteristics from the ADVOCATE trial
Comparison
Avacopan plus CYC or rituximab (RTX) with reduced-dose glucocorticoid (GCs) vs CYC/RTX plus standard GCs
Outcome
ICER (cost per QALY gained) at a WTP threshold of one time China's 2024 GDP per capita per QALY
Methodological detailsnine-state Markov model, Chinese healthcare system perspective, one-way, probabilistic and scenario sensitivity analyses, threshold price analysis, Treatment shares followed trial allocation (35.2% CYC; 64.8% RTX)
  • Nine-state Markov model
  • Chinese healthcare system perspective
  • One-way, probabilistic and scenario sensitivity analyses
  • Threshold price analysis
  • Treatment shares followed trial allocation (35.2% CYC; 64.8% RTX)

Main finding

Quality-adjusted life years (QALYs), life-years (LYs), total costs and ICER

ICER

$6,146 per QALY

By group

As reported in the abstract

Further findings

Robustness in sensitivity and scenario analyses

Results were robust in sensitivity and scenario analyses

Maximum cost-effective avacopan price at willingness-to-pay (WTPs) of 1.0-1.5 times GDP per capita

Maximum cost-effective price per 10 mg
$11.12-$12.70

Original publication

Cost effectiveness of avacopan for ANCA-associated vasculitis in China. Clin Exp Rheumatol. Published 13 November 2025. doi:10.55563/clinexprheumatol/bmn4te

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