Rheumatology International

, Volume 35, Issue 2, pp 295–302 | Cite as

Anti-tumor necrosis factor drug survival in axial spondyloarthritis is independent of the classification criteria

  • Pascal ZuffereyEmail author
  • Jacqueline Ghosn
  • Fabio Becce
  • Adrian Ciurea
  • Bérengère Aubry-Rozier
  • Axel Finckh
  • Alexander K. So
Original Article


To compare the impact of meeting specific classification criteria [modified New York (mNY), European Spondyloarthropathy Study Group (ESSG), and Assessment of SpondyloArthritis international Society (ASAS) criteria] on anti-tumor necrosis factor (anti-TNF) drug retention, and to determine predictive factors of better drug survival. All patients fulfilling the ESSG criteria for axial spondyloarthritis (SpA) with available data on the axial ASAS and mNY criteria, and who had received at least one anti-TNF treatment were retrospectively retrieved in a single academic institution in Switzerland. Drug retention was computed using survival analysis (Kaplan–Meier), adjusted for potential confounders. Of the 137 patients classified as having axial SpA using the ESSG criteria, 112 also met the ASAS axial SpA criteria, and 77 fulfilled the mNY criteria. Drug retention rates at 12 and 24 months for the first biologic therapy were not significantly different between the diagnostic groups. Only the small ASAS non-classified axial SpA group (25 patients) showed a nonsignificant trend toward shorter drug survival. Elevated CRP level, but not the presence of bone marrow edema on magnetic resonance imaging (MRI) scans, was associated with significantly better drug retention (OR 7.9, ICR 4–14). In this cohort, anti-TNF drug survival was independent of the classification criteria. Elevated CRP level, but not positive MRI, was associated with better drug retention.


Axial spondyloarthritis Classification criteria Anti-tumor necrosis factor Drug survival 

Supplementary material

296_2014_3094_MOESM1_ESM.pptx (213 kb)
Supplementary material 1 (PPTX 212 kb)


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Pascal Zufferey
    • 1
    Email author
  • Jacqueline Ghosn
    • 1
  • Fabio Becce
    • 2
  • Adrian Ciurea
    • 3
  • Bérengère Aubry-Rozier
    • 1
  • Axel Finckh
    • 4
  • Alexander K. So
    • 1
  1. 1.Department of RheumatologyLausanne University HospitalLausanneSwitzerland
  2. 2.Department of Diagnostic and Interventional RadiologyLausanne University HospitalLausanneSwitzerland
  3. 3.Department of RheumatologyUniversity Hospital ZurichZurichSwitzerland
  4. 4.Department of RheumatologyUniversity Hospital GenevaGenevaSwitzerland

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