Janssen Research & Development, LLC
The purpose of this study is to evaluate how-well icotrokinra works (clinical efficacy) and how safe it is (safety) in participants with moderately to severely active Crohn's disease (CD; a long-term condition causing severe inflammation of the intestinal tract).
Inclusion Criteria: * Diagnosis of CD established at least 12 weeks before screening including both endoscopic evidence and a histopathology report consistent with a diagnosis of CD * Moderately to severely active CD based on CDAI criteria, defined as baseline (Week I-0) CDAI score \>=220 but \<=450 and either mean daily SF count \>=4, or mean daily AP score \>=2 * Moderately to severely active CD based on SES-CD criteria assessed by baseline (Week I-0) endoscopic evidence of active ileal and/or colonic CD as assessed during central review of the screening video ileocolonoscopy defined as a S…
Icotrokinra will be administered orally, daily.
Matching placebo will be administered orally, daily.