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Purpose <p>Short- and medium-term safety profiles of anti-TNF therapies are well-established, but data on their long-term safety, especially beyond five years, remain limited. This study aims to compare the risk of adverse events (AEs) in patients on stable anti-TNF therapy for less than five years versus more than five years.</p> Methods <p>A retrospective cohort study was conducted in an outpatient IBD clinic from April 2015 to November 2023. Patients were divided into short-term (less than five years) and long-term (more than five years) therapy groups. AEs were tracked across multiple systems, and time-adjusted risks were compared using multivariable Cox proportional hazards models.</p> Results <p>We identified 640 patients (785 instances) receiving stable anti-TNF therapy. A total of 82 AEs were reported over 1774 person-years. The AE incidence per 100 person-years was 5.12 in the short-term group and 3.50 in the long-term group with no significant adjusted risk between groups (aHR, 0.62; 95% CI 0.35 to 1.11). However, patients with CD on long-term infliximab therapy signaled a lower risk of AEs compared to short-term users (aHR, 0.33; 95% CI 0.11 to 1.00). Dermatologic events were the most common AEs.</p> Conclusion <p>Long-term anti-TNF therapy appears to have a similar safety profile to short-term therapy, with no significant increase in overall AE risk. These findings may offer cautious reassurance regarding extended anti-TNF use, particularly in patients with CD on infliximab.</p>

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Longitudinal Safety Outcomes of Anti-tumor Necrosis Factor Alpha Therapy in the Treatment of Inflammatory Bowel Disease

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月24日

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  • Andrew R. Roney,
  • Dupre Orr,
  • Armeen Barghi,
  • Sureya Hussani,
  • Vivy Cusumano,
  • Berkeley N. Limketkai,
  • Jenny S. Sauk

摘要

Purpose

Short- and medium-term safety profiles of anti-TNF therapies are well-established, but data on their long-term safety, especially beyond five years, remain limited. This study aims to compare the risk of adverse events (AEs) in patients on stable anti-TNF therapy for less than five years versus more than five years.

Methods

A retrospective cohort study was conducted in an outpatient IBD clinic from April 2015 to November 2023. Patients were divided into short-term (less than five years) and long-term (more than five years) therapy groups. AEs were tracked across multiple systems, and time-adjusted risks were compared using multivariable Cox proportional hazards models.

Results

We identified 640 patients (785 instances) receiving stable anti-TNF therapy. A total of 82 AEs were reported over 1774 person-years. The AE incidence per 100 person-years was 5.12 in the short-term group and 3.50 in the long-term group with no significant adjusted risk between groups (aHR, 0.62; 95% CI 0.35 to 1.11). However, patients with CD on long-term infliximab therapy signaled a lower risk of AEs compared to short-term users (aHR, 0.33; 95% CI 0.11 to 1.00). Dermatologic events were the most common AEs.

Conclusion

Long-term anti-TNF therapy appears to have a similar safety profile to short-term therapy, with no significant increase in overall AE risk. These findings may offer cautious reassurance regarding extended anti-TNF use, particularly in patients with CD on infliximab.