Zhou,11 Aileen Pangan,11 Xavier Hebuterne,3 Hiroshi Nakase,4 Geert D’Haens,5 Julian Panes,6 James O. Lindsay,7 Peter D. R. Higgins,8 Edward Loftus, Jr.,9 William Sandborn,10 Wangang Xie,11 Yuri Sanchez Gonzalez,11 Jianzhong Liu,11 Michael A. Weinreich,11 Severine Vermeire12 Efficacy and Safety of Upadacitinib Maintenance Therapy in Patients with Moderately to Severely Active Ulcerative Colitis: Results from a Randomized Phase 3 Study 1Division of Gastroenterology, University of Calgary, Calgary, Alberta, Canada; 2Humanitas University and Humanitas Research Hospital, IRCCS, Milan, Italy; 3Department of Gastroenterology and Clinical Nutrition, CHU de Nice, Université Côte d’Azur, Nice, France;4Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, Sapporo, Japan; 5Department of Gastroenterology and Hepatology, Amsterdam University Medical Centres, Amsterdam, Netherlands; 6Hospital Clinic Barcelona, IDIPABS, CIBERehd, Barcelona, Spain; 7Department of Gastroenterology, The Royal London Hospital, Barts Health NHS Trust, London, UK; 8University of Michigan, Ann Arbor, Michigan, USA; 9Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, MN, USA; 10Division of Gastroenterology, University of California San Diego, La Jolla, CA, USA; 11AbbVie, Inc, North Chicago, IL, USA; 12Department of Gastroenterology & Hepatology, University Hospital Leuven, Leuven, Belgium # 64