Spondyloarthritis & psoriatic arthritis

Disease characteristics, co-morbidities and treatment response in a contemporary axial spondyloarthritis cohort: Analysis of 717 patients from the Greek axial spondyloarthritis (AxSpA) registry

Semin Arthritis RheumPublished Prospective cohort study

Authors' conclusion

In this sizable contemporary AxSpA cohort, one third of patients still miss treatment targets. Additional to cardiovascular risk factors, depression and osteoporosis are considerably prevalent. Smoking predicts a higher ASDAS, while HLA B27 positivity predicts syndesmophyte formation, but also better ASDAS responses.

Study context

Population
Patients with axSpA in the Greek AxSpA registry (64.9% males; mean age 50 years; median disease duration 13 years)Greek AxSpA registry
Participants
717 patients
Outcome
Baseline disease characteristics, comorbidities and treatment
Follow-up
Baseline
Methodological detailsmulticentre, observational, registry
  • Multicentre
  • Observational
  • Registry

Main finding

As reported in the abstract

r-axSpA
Two thirds
Peripheral arthritis ever (equal to enthesitis)
45%
Hip involvement
28%
Increased BMI
60%
Dyslipidemia
30%
Hypertension
30%
Depression
14%
Osteoporosis
10%
Receiving a bDMARD
78%
No treatment
12%
Inactive disease or low disease activity
65%

Observational data: associations, not effects.

Further findings

Disease activity, r-axSpA vs nr-axSpA

ASDAS, BASDAI and BASFI comparable between r-axSpA and nr-axSpA
nr-axSpA patients reported higher Global and Pain VAS scores

Predictors of ASDAS (multivariable)

Higher ASDAS: dactylitis ever, current smoking, number of previous bDMARDs
Lower ASDAS: HLA-B27 positivity, low alcohol intake

Predictors of syndesmophytes (multivariable)

Male sex, HLA-B27 positivity, high CRP at diagnosis, older age and longer diagnosis delay independently predicted syndesmophytes

Original publication

Disease characteristics, co-morbidities and treatment response in a contemporary axial spondyloarthritis cohort: Analysis of 717 patients from the Greek AxSpA registry. Semin Arthritis Rheum. Published 29 January 2025. doi:10.1016/j.semarthrit.2025.152645

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