Correlation of mucosal healing endpoints with long-term clinical and patient-reported outcomes in ulcerative colitis

Gareth Parkes, Ryan C. Ungaro, Silvio Danese, Maria T. Abreu, Ethan Arenson, Wen Zhou, Dapo Ilo, F. Stephen Laroux, Huiwen Deng, Yuri Sanchez Gonzalez, Laurent Peyrin-Biroulet

Research output: Contribution to journalArticlepeer-review


Background: We evaluated the clinical relevance of achieving histologic endoscopic mucosal improvement (HEMI) and the more stringent target of histologic endoscopic mucosal remission (HEMR) in the phase 3 maintenance trial of upadacitinib for moderately to severely active ulcerative colitis. Methods: Clinical and patient-reported outcomes were assessed in patients with clinical response after 8- or 16-week upadacitinib induction who received 52-week upadacitinib maintenance treatment. Cross-sectional and predictive analyses evaluated the relationship between HEMR or HEMI at Week 8/16 and Week 52, respectively, and outcomes at Week 52. Adjusted odds ratios (aOR) were derived from logistic regressions for patients achieving HEMR or HEMI without HEMR versus those not achieving HEMI. Results: Cross-sectional analyses showed that patients with HEMR had greater odds of achieving all clinical and patient-reported outcomes at Week 52 than those not achieving HEMI. In predictive analyses, patients with HEMR at Week 8/16 had significantly greater odds of achieving clinical remission (aOR = 3.6, p = 0.001) and endoscopic remission (aOR = 3.9, p < 0.001) at Week 52 than patients not achieving HEMI and HEMR. For patients achieving HEMI without HEMR, these odds were lower: clinical remission (aOR = 3.2, p < 0.001) and endoscopic remission (aOR = 2.4, p = 0.010). The odds of achieving clinically meaningful improvements in most patient-reported outcomes were directionally similar between HEMI and HEMR, but not statistically different to patients not achieving HEMI. No hospitalizations or surgeries were observed in patients with HEMR at Week 52. Conclusions: Achievement of HEMR or HEMI is clinically relevant with HEMR being associated with greater likelihood of improvement in long-term clinical and patient-reported outcomes. NCT02819635.

Original languageEnglish
JournalJournal of Gastroenterology
StateAccepted/In press - 2023


  • Histologic endoscopic mucosal improvement
  • Histologic endoscopic mucosal remission
  • Inflammatory bowel disease


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