Practical considerations for the use of IL-23p19 inhibitors in inflammatory bowel disease: how to choose between them and why it matters? - Summary - MDSpire

Practical considerations for the use of IL-23p19 inhibitors in inflammatory bowel disease: how to choose between them and why it matters?

  • By

  • Cecilia Lina Pugliano

  • Raymond Fueng-Hin Liang

  • Andrea Ruffa

  • Marietta Iacucci

  • Subrata Ghosh

  • August 1, 2025

  • 0 min

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Objective:

To summarize the current clinical evidence on anti-IL23p19 therapies and provide practical guidance for their use in inflammatory bowel disease (IBD) management.

Key Findings:
  • Three IL-23p19 inhibitors (Guselkumab, Risankizumab, Mirikizumab) are approved for moderate-to-severe Crohn's disease (CD) and ulcerative colitis (UC).
  • Guselkumab offers a unique subcutaneous induction regimen, proving non-inferiority to intravenous induction.
  • Key factors for selecting an anti-IL23p19 agent include patient preference, IBD phenotype, coexisting conditions, and previous therapy exposure.
Interpretation:

The emergence of selective IL-23 inhibitors represents a significant advancement in IBD treatment, allowing for personalized therapy based on individual patient needs and characteristics.

Limitations:
  • Further real-world studies are needed to assess the effectiveness of anti-IL23p19 therapies in complex disease phenotypes.
  • The long-term implications of dual mechanisms of action, particularly for Guselkumab, remain incompletely understood.
Conclusion:

Anti-IL23p19 inhibitors may become first-line therapies for moderate-to-severe IBD, especially in patients with IL-23 driven comorbidities. Their combination with other therapies is being explored to enhance outcomes.

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