Efficacy and safety of risankizumab by baseline corticosteroid use and achievement of corticosteroid-free clinical and endoscopic outcomes in patients with moderately to severely active Crohn's disease

  • Stefan Schreiber
  • , Raymond K. Cross
  • , Remo Panaccione
  • , Geert D'Haens
  • , Peter Bossuyt
  • , Iris Dotan
  • , Jean Frederic Colombel
  • , Edouard Louis
  • , Marla C. Dubinsky
  • , Kristina Kligys
  • , Ezequiel Neimark
  • , Alexandra Song
  • , Javier Zambrano
  • , Jasmina Kalabic
  • , Erica Cheng
  • , Yafei Zhang
  • , Marc Ferrante

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Background: Risankizumab is efficacious and well tolerated in adults with moderately to severely active Crohn's disease (CD). Aim: To evaluate the corticosteroid-sparing effect of risankizumab in CD. Methods: During the 12-week induction period, patients maintained stable baseline corticosteroid doses, up to 20 mg/day prednisone or equivalent. At week 0 of maintenance, a mandatory corticosteroid taper was started. This post hoc analysis evaluated corticosteroid-free clinical and endoscopic outcomes at week 52 of maintenance; safety was also assessed. Results: Of 889 patients randomised to induction with risankizumab 600 mg or placebo, 285 (32.1%) were taking baseline concomitant corticosteroids. Week 12 clinical remission and endoscopic response rates were greater for risankizumab 600 mg versus placebo, regardless of concomitant corticosteroid use. At week 52, 66.7%, 50.0% and 41.2% of patients taking risankizumab 180 mg, risankizumab 360 mg and (withdrawal) placebo, respectively, discontinued corticosteroids. Week 52 corticosteroid-free clinical remission per stool frequency/abdominal pain score (risankizumab 180 mg [42.7%] or 360 mg [49.8%]; [withdrawal] placebo [39.0%]), corticosteroid-free clinical remission per Crohn's Disease Activity Index (risankizumab 180 mg [51.0%] or 360 mg [49.5%]; [withdrawal] placebo [40.2%]), and corticosteroid-free endoscopic response (risankizumab 180 mg [44.6%] or 360 mg [44.7%]; [withdrawal] placebo [20.7%]) rates were greater for risankizumab than placebo. Adverse event rates were generally similar, regardless of baseline corticosteroid use. Conclusions: Efficacy of risankizumab 600 mg induction therapy was independent of concomitant corticosteroid use. Risankizumab 180 and 360 mg maintenance therapy yielded high rates of corticosteroid-free clinical and endoscopic outcomes at week 52.

Original languageEnglish
Pages (from-to)897-906
Number of pages10
JournalAlimentary Pharmacology and Therapeutics
Volume60
Issue number7
DOIs
StatePublished - Oct 2024

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