Spondyloarthritis & psoriatic arthritis

Patient-Reported Outcomes (PROs) and PRO Remission Rates in 12,262 Biologic-Naïve Patients With Psoriatic Arthritis Treated With Tumor Necrosis Factor Inhibitors in Routine Care

J RheumatolPublished Observational cohort study

Authors' conclusion

In 12,262 biologic-naïve patients with PsA, 6 months of treatment with a TNFi reduced pain by approximately 50%. Marked differences in PRO remission rates across treatment courses, registries, disease duration, sex, and age at onset of disease were observed, emphasizing the potential influence of factors other than disease activity on PROs.

Study context

Population
Biologic-naïve European real-world patients with PsA initiating a tumor necrosis factor inhibitor (TNFi) in routine care, 13 registries
Participants
12,262 patients13 registries
Exposure
First TNFi vs Second TNFi vs Third TNFi
Outcome
PROs (pain, fatigue, PtGA by VAS or NRS; HAQ-DI) after TNFi initiation, and PRO remission rates (pain ≤ 1, fatigue ≤ 2, PtGA ≤ 2, HAQ-DI ≤ 0.5)
Methodological detailspooled registry data, real-world, 13 European registries, pooled analysis, LUNDEX-adjusted remission rates
  • Pooled registry data
  • Real-world
  • 13 European registries
  • Pooled analysis
  • LUNDEX-adjusted remission rates

Main finding

As reported in the abstract

Median PRO scores, first TNFi (baseline, 6, 12, 24 months)

Median pain score (reduced by ≈50%)

6 to 3, 3, and 2

Median fatigue score

6 to 4, 4, and 3

Median patient global assessment (PtGA) score

6 to 3, 3, and 2

Median Health Assessment Questionnaire-Disability Index (HAQ-DI) score

0.9 to 0.5, 0.5, and 0.4

Observational data: associations, not effects.

Further findings

LUNDEX-adjusted remission rates for pain, fatigue, PtGA, HAQ-DI by treatment course · 6 months

First TNFi (pain, fatigue, PtGA, HAQ-DI)
24%, 31%, 36%, and 43%
Second TNFi (pain, fatigue, PtGA, HAQ-DI)
14%, 19%, 23%, and 29%
Third TNFi (pain, fatigue, PtGA, HAQ-DI)
9%, 14%, 17%, and 20%

LUNDEX-adjusted remission rates for pain, fatigue, PtGA, HAQ-DI by disease duration (biologic-naïve) · 6 months

Disease duration < 5 years
22%, 28%, 33%, and 42%
Disease duration > 10 years
27%, 32%, 41%, and 43%

Remission rates for pain, fatigue, PtGA, HAQ-DI by sex

Men
33%, 40%, 45%, and 56%
Women
17%, 23%, 24%, and 32%

LUNDEX-adjusted pain remission rate by age at diagnosis · 6 months

Aged < 45 years at diagnosis
29%
Aged ≥ 45 years at diagnosis
18%

Original publication

Patient-Reported Outcomes (PROs) and PRO Remission Rates in 12,262 Biologic-Naïve Patients With Psoriatic Arthritis Treated With Tumor Necrosis Factor Inhibitors in Routine Care. J Rheumatol. Published 15 January 2024. doi:10.3899/jrheum.2023-0764

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