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Introduction <p>Osteoarthritis (OA) is associated with joint pain and disability, with increasing prevalence and economic burden. This study explored non-steroidal anti-inflammatory drugs (NSAID) treatment patterns, gastrointestinal (GI) complications and burden of disease in patients with OA based on Nordic registry data, with emphasis on individuals aged 60 or younger.</p> Methods <p>This non-interventional observational study analysed registry data from Norway, Finland, and Sweden. Adults with primary OA diagnosis in specialty care were matched 1:1 by age and sex with individuals of the general population. The primary outcome was NSAID treatment patterns, assessed by dispensations and daily defined doses (DDD) 1&#xa0;year before and after diagnosis. Secondary outcomes included prevalence of comorbidities, the incidence of GI complications, sick leave, and joint replacements.</p> Results <p>The study included 189,553 patients with OA from Norway, 341,548 from Sweden, and 218,253 from Finland, 34.1% to 40.4% aged ≤ 60. About half of patients had NSAIDs dispensed before and after diagnosis, (Norway 56.6% and 48.6%; Sweden 50.1% and 44.0%; Finland 58.8% and 58.2%), compared to about one-fifth of the matches (Norway 19.1% and 18.5%; Sweden 12.7% and 12.2%; Finland 22.5% and 21.7%). NSAID use increased with age until approximately 55&#xa0;years, then declined. After diagnosis, fewer patients had NSAID dispensations, but mean DDDs per prescription were generally higher. Secondary analyses showed a higher comorbidity burden, higher rates of GI complications, more sick leave days, and more joint replacements in patients with OA than in matched individuals.</p> Conclusion <p>Across Nordic countries, patients with OA had more NSAID dispensations, and GI complications were more prevalent compared to matched individuals. Notably, this was already evident in younger patients under the age of 60, underscoring the need for comprehensive GI risk assessment for every patient with OA. The substantial burden of OA was also evidenced by considerable numbers of sick leave days and joint replacements.</p>

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NSAID Use, Gastrointestinal Complications, and Burden of Disease in Osteoarthritis: Nordic Registry Study with Emphasis on Patients Below 60 Years

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月6日

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  • Tore K. Kvien,
  • Johan L. Hansen,
  • Robert Böttger,
  • Rita Freitas,
  • Jan Jastorff,
  • Elena Mascia,
  • Manfred Gross

摘要

Introduction

Osteoarthritis (OA) is associated with joint pain and disability, with increasing prevalence and economic burden. This study explored non-steroidal anti-inflammatory drugs (NSAID) treatment patterns, gastrointestinal (GI) complications and burden of disease in patients with OA based on Nordic registry data, with emphasis on individuals aged 60 or younger.

Methods

This non-interventional observational study analysed registry data from Norway, Finland, and Sweden. Adults with primary OA diagnosis in specialty care were matched 1:1 by age and sex with individuals of the general population. The primary outcome was NSAID treatment patterns, assessed by dispensations and daily defined doses (DDD) 1 year before and after diagnosis. Secondary outcomes included prevalence of comorbidities, the incidence of GI complications, sick leave, and joint replacements.

Results

The study included 189,553 patients with OA from Norway, 341,548 from Sweden, and 218,253 from Finland, 34.1% to 40.4% aged ≤ 60. About half of patients had NSAIDs dispensed before and after diagnosis, (Norway 56.6% and 48.6%; Sweden 50.1% and 44.0%; Finland 58.8% and 58.2%), compared to about one-fifth of the matches (Norway 19.1% and 18.5%; Sweden 12.7% and 12.2%; Finland 22.5% and 21.7%). NSAID use increased with age until approximately 55 years, then declined. After diagnosis, fewer patients had NSAID dispensations, but mean DDDs per prescription were generally higher. Secondary analyses showed a higher comorbidity burden, higher rates of GI complications, more sick leave days, and more joint replacements in patients with OA than in matched individuals.

Conclusion

Across Nordic countries, patients with OA had more NSAID dispensations, and GI complications were more prevalent compared to matched individuals. Notably, this was already evident in younger patients under the age of 60, underscoring the need for comprehensive GI risk assessment for every patient with OA. The substantial burden of OA was also evidenced by considerable numbers of sick leave days and joint replacements.