Last updated on February 2013

Assessment of SpondyloArthritis Society (ASAS) Classification and Diagnostic Criteria for Early Axial Spondyloarthritis (SpA)


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Spondylarthropathy | Ankylosing | Spondylitis | Spondyloarthritis
  • Age: Between 18 - 100 Years
  • Gender: Male or Female
  • Other:
    Include newly referred patients if:
    Onset of symptoms (back pain/arthritis/enthesitis) < 45 years
    Undiagnosed disease with the following symptoms:
    chronic back pain (duration of back pain more than 3 months)
    and/or peripheral arthritis (asymmetric arthritis/predominantly of the lower
    limbs)
    and/or enthesitis
    and/or dactylitis

You may not be eligible for this study if the following are true:

  • No symptoms such as specified in inclusion criteria: back pain, arthritis, enthesitis
    Definite diagnosis

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


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