Spondyloarthritis & psoriatic arthritis

Exploratory analysis of the potential disconnect between objective inflammatory response and clinical response following certolizumab pegol treatment in patients with active axial spondyloarthritis

RMD OpenPublished Post hoc analysis of a trial of certolizumab pegol

Authors' conclusion

There is a potential disconnect between objective measures of inflammation and clinical outcome responses in patients with axSpA.

Study context

Population
Patients with active axial spondyloarthritis (axSpA) treated with certolizumab pegol (CZP) for 12 weeks
Participants
136 patients
Comparison
r-axSpA vs nr-axSpA
  • r-axSpAn = 76
  • nr-axSpAn = 60
Methodological detailsexploratory, mixed model with repeated measures, two independent MRI readers, four reading campaigns pooled
  • Exploratory
  • Mixed model with repeated measures
  • Two independent MRI readers, four reading campaigns pooled

Primary result

As reported in the abstract

12 weeks
CRP reduced by ≥50%
136/136 [100.0%]
ASspiMRI-a Berlin score reduced by ≥50%
73/136 [53.7%]
SPARCC SIJ score reduced by ≥50%
71/136 [52.2%]
BASDAI ≥50% reduction
64/136 [47.1%]
ASDAS ≥50% reduction
66/136 [48.5%]

Original publication

Exploratory analysis of the potential disconnect between objective inflammatory response and clinical response following certolizumab pegol treatment in patients with active axial spondyloarthritis. RMD Open. Published 28 August 2024. doi:10.1136/rmdopen-2024-004369

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