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Background <p>Inflammatory bowel disease (IBD) and psoriasis (PsO) share common immunopathogenic pathways involving IL-12 and IL-23. Biologic therapies targeting these cytokines are effective for Crohn’s diseasse (CD), ulcerative colitis (UC), and PsO. In patients with IBD with comorbid PsO or psoriatic arthritis (PsA), IL-12/23 or IL-23 inhibitors are preferred, however it remains unclear whether their treatment outcomes are improved compared to patients without comorbid PsO/PsA.</p> Methods <p>This post hoc analysis used patient-level data from the UNITI (CD), SEAVUE (CD), and LUCENT (UC) trials. Patients treated with ustekinumab or mirikizumab were grouped by the presence or absence of comorbid PsO and/or PsA. Clinical response, remission, and endoscopic improvement were evaluated at week 8 (CD) and week 12 (UC). Logistic regression models adjusted for covariates assessed associations between comorbid PsO/PsA and outcomes.</p> Results <p>Among 1130 ustekinumab-treated CD patients, no significant differences were observed in week 8 clinical response (57.3 vs. 59.1%, <i>p</i> = 0.835) or remission (46.1 vs. 49.7%, <i>p</i> = 0.534) in those with vs. without PsO/PsA. Similarly, among 1849 mirikizumab-treated patients, week 12 clinical response (74.5 vs. 80.4%, <i>p</i> = 0.882), remission (14.9 vs. 21.3%, <i>p</i> = 0.385), and endoscopic improvement (25.5 vs. 30.0%, <i>p</i> = 0.693) were not significantly different. Logistic regression analyses confirmed no significant associations between PsO status and treatment outcomes after adjusting for covariates.</p> Conclusion <p>The presence of comorbid PsO or PsA does not significantly impact the efficacy of ustekinumab in CD or mirikizumab in UC. These findings support the use of these therapies across diverse patient populations, irrespective of comorbid PsO or PsA.</p>

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Impact of Comorbid Psoriasis on the Efficacy of Ustekinumab and Mirikizumab in Inflammatory Bowel Disease: A Post-hoc Analysis of UNITI, SEAVUE, and LUCENT

  • 期刊论文

  • 发表日期：

    2026年2月19日

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  • Emily C. L. Wong,
  • Parambir S. Dulai,
  • John K. Marshall,
  • Vipul Jairath,
  • Walter Reinisch,
  • Neeraj Narula

摘要

Background

Inflammatory bowel disease (IBD) and psoriasis (PsO) share common immunopathogenic pathways involving IL-12 and IL-23. Biologic therapies targeting these cytokines are effective for Crohn’s diseasse (CD), ulcerative colitis (UC), and PsO. In patients with IBD with comorbid PsO or psoriatic arthritis (PsA), IL-12/23 or IL-23 inhibitors are preferred, however it remains unclear whether their treatment outcomes are improved compared to patients without comorbid PsO/PsA.

Methods

This post hoc analysis used patient-level data from the UNITI (CD), SEAVUE (CD), and LUCENT (UC) trials. Patients treated with ustekinumab or mirikizumab were grouped by the presence or absence of comorbid PsO and/or PsA. Clinical response, remission, and endoscopic improvement were evaluated at week 8 (CD) and week 12 (UC). Logistic regression models adjusted for covariates assessed associations between comorbid PsO/PsA and outcomes.

Results

Among 1130 ustekinumab-treated CD patients, no significant differences were observed in week 8 clinical response (57.3 vs. 59.1%, p = 0.835) or remission (46.1 vs. 49.7%, p = 0.534) in those with vs. without PsO/PsA. Similarly, among 1849 mirikizumab-treated patients, week 12 clinical response (74.5 vs. 80.4%, p = 0.882), remission (14.9 vs. 21.3%, p = 0.385), and endoscopic improvement (25.5 vs. 30.0%, p = 0.693) were not significantly different. Logistic regression analyses confirmed no significant associations between PsO status and treatment outcomes after adjusting for covariates.

Conclusion

The presence of comorbid PsO or PsA does not significantly impact the efficacy of ustekinumab in CD or mirikizumab in UC. These findings support the use of these therapies across diverse patient populations, irrespective of comorbid PsO or PsA.