Spondyloarthritis & psoriatic arthritis

Impact of cardiometabolic comorbidities on clinical characteristics, prescription patterns and retention rate of first b/tsDMARD treatment in 5299 European real-world patients with psoriatic arthritis

RMD OpenPublished Observational cohort study

Authors' conclusion

Cardiometabolic comorbidity burden, especially obesity, was associated with marginally lower treatment retention.

Study context

Population
Patients with PsA initiating a first b/tsDMARD in 2015 or later, eight European rheumatology registries, with information on five cardiometabolic comorbidities (obesity, dyslipidaemia, diabetes, hypertension, ischaemic heart disease) at baseline36% ≥1 comorbidity
Participants
5,299 patients
Exposure
Cardiometabolic comorbidity burden and status
Outcome
Treatment retention of first b/tsDMARD
Follow-up
12 months
Methodological detailsmulti-registry, eight European rheumatology registries, multivariable Cox regression, Kaplan-Meier, log-rank tests
  • Multi-registry
  • Eight European rheumatology registries
  • Multivariable Cox regression
  • Kaplan-Meier, log-rank tests

Main finding

As reported in the abstract

Treatment retention rate by comorbidity burden
Risk of treatment withdrawal
Each group vs 0 comorbiditiesHazard ratio (95% CI)
≥2 comorbidities
1.18(0.98–1.42)
1 comorbidity
HR 1.19 (95% CI 1.02–1.40)

Observational data: associations, not effects.

Further findings

IL-17 inhibitor use by comorbidity burden

JAKi use by comorbidity burden

OutcomeP value
Treatment retention rate by obesity · 12 monthsObesity present vs Obesity absentlog-rank, p=0.04
  • Treatment retention rate by obesity: Obesity absent 79%
  • Treatment retention rate by obesity: Obesity present 77%

TNFi prescribed (all patients)

Most patients prescribed TNFi regardless of comorbidity
76%

Baseline characteristics

Patients with comorbidity were older, had higher disease activity and more disability

Original publication

Impact of cardiometabolic comorbidities on clinical characteristics, prescription patterns and retention rate of first b/tsDMARD treatment in 5299 European real-world patients with psoriatic arthritis. RMD Open. Published 7 May 2026. doi:10.1136/rmdopen-2025-006477

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