Clinical Response to Risankizumab Dose Intensification for Crohn’s Disease

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RS Dalal et al. Clin Gastroenterol Hepatol 2025; 23: 662-664. Outcomes After Dose Intensification of Risankizumab for Crohn’s Disease

This retrospective study reviewed adults with Crohn’s disease (CD) who underwent dose intensification of maintenance from 360 mg every 8 weeks to every 6 weeks (n=11) or every 4 weeks (n=11).

Key findings:

  • Median time to first intensified dose was 228 days
  • Harvey Bradshaw Index (HBI) improved from a mean of 7.1 to 4.3 after 8 to 16 weeks
  • There was also improvement (not statistically significant) in mean CRP (1.64–>0.42 mg/dL) and mean calprotectin (774 –>650 mcg/g)
  • At 8 to 16 weeks, 64% (14 of 22) had a clinical response, 45% (10 of 22) achieved steroid free clinical remission

My take: This small study suggests that the majority of patients with a loss of response to standard dosing can be recaptured with dose intensification.

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