CompletedNot Applicable

CLassification of Axial SpondyloarthritiS Inception Cohort

United States501 participantsStarted 2019-12-04

Plain-language summary

A joint meeting of the ASAS (Assessment of Spondyloarthritis Internal Society) and SPARTAN (Spondyloarthritis Research and Treatment Network) executive boards recommended that the existing ASAS classification criteria for spondyloarthritis undergo further validation. SPARTAN is in charge of conducting a a prospective study of a North American cohort of patients presenting with undiagnosed active chronic back pain to rheumatologists in the US and Canada, and one site in Mexico. ASAS is in charge of conducting a similar study in Europe and other parts of the world.

Who can participate

Age range18 Years

SexALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion criteria

✓. Undiagnosed back and/or buttock pain
✓. Back, buttock or hip discomfort in the week before the study visit
✓. Discomfort in the back, buttocks, or hips that has lasted at least three months.
✓. First symptoms of pain when patient was ≤ 45 years of age:

Exclusion criteria

✕. Patients with a known rheumatologist confirmed diagnosis of spondyloarthritis at the time of referral to the study-affiliated investigator.
✕. Patients with a history of spinal trauma in the past 3 months.
✕. Patients unable and/or unwilling to undergo MRI examination (embedded metallic fragments, pacemaker, joint replacement or similar hardware, too large (over 350 pounds unless their MRI can scan larger patients), claustrophobic)

What they're measuring

Physician diagnosis of axial spondyloarthritis at the final diagnostic evaluation.

Timeframe: 6 weeks

Trial details

NCT IDNCT03993847

SponsorSpondyloarthritis Research and Treatment Network

Sponsor typeNETWORK

Study typeOBSERVATIONAL

Primary completion2022-08-22

View on ClinicalTrials.gov More Spondyloarthritis trials