Spondyloarthritis & psoriatic arthritis

Achieving Axial Spondyloarthritis Disease Activity Score Inactive Disease Status in Axial Spondyloarthritis in Clinical Trials: A Systematic Review and Metaanalysis

J RheumatolPublished Systematic review and meta-analysis of clinical trials

Pooled result · Pooled proportion achieving ID (ASDAS <1.3)Result — go to the resultodds 0.30 95% CI 0.17–0.51

Authors' conclusion

This study demonstrates that attainment of ASDAS-ID in axSpA clinical trials is consistently low, reflecting the stringency of this remission threshold within trial designs.

Study context

Population
Patients with radiographic or nonradiographic axial spondyloarthritis (axSpA) treated with biologic therapies (tumor necrosis factor inhibitors (TNFi), IL17i) or targeted synthetic disease-modifying antirheumatic drugs (tsDMARDs) such as Janus kinase inhibitors (JAKi); studies from inception through August 2025
Participants
6,171 patients19 randomized controlled trials (RCTs)
Comparison
ASDAS-ID vs ASDAS-LDA attainment
Outcome
Proportion of patients with axSpA achieving ID compared to LDA
Methodological detailsRCTs and open-label extension studies, Cochrane risk of bias (ROB) tool, 2 independent reviewers, pooled ORs with 95% CIs, I 2 heterogeneity, 41 unique studies included; 22 open-label extension (OLE) studies, several from the same parent RCT
  • RCTs and open-label extension studies
  • Cochrane ROB tool
  • 2 independent reviewers
  • Pooled ORs with 95% CIs
  • I 2 heterogeneity
  • 41 unique studies included; 22 OLE studies, several from the same parent RCT

Pooled result

Pooled proportion achieving ID (ASDAS <1.3) · 12-24 weeks

odds

0.30

95% CI 0.17–0.51

By group

Treatment

0.24

pooled proportion · 95% CI 0.18–0.31

As reported in the abstract

Further pooled results

OutcomeValues
Pooled proportion achieving ID, OLE phases · weeks 48-52OLE pooled proportion 0.22 (95% CI 0.17–0.28)
Pooled proportion achieving ID, OLE phases · weeks 96-156OLE pooled proportion 0.35 (95% CI 0.25–0.43)

Original publication

Achieving Axial Spondyloarthritis Disease Activity Score Inactive Disease Status in Axial Spondyloarthritis in Clinical Trials: A Systematic Review and Metaanalysis. J Rheumatol. Published 15 March 2026. doi:10.3899/jrheum.2025-0553

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