Efficacy and Safety of Vedolizumab IV in Chinese Participants With Ulcerative Colitis

Inclusion criteria

• . Has a diagnosis of ulcerative colitis (UC) established at least 3 months prior to Screening by clinical and endoscopic evidence corroborated by a histopathology report. Cases of UC established at least 6 months before randomization for which a histopathology report is not available will be considered based on the weight of evidence supporting the diagnosis and excluding other potential diagnoses and must be discussed with the sponsor on a case-by case basis before randomization.
• . Has moderately to severely active UC as determined by a complete Mayo score of 6-12 with an endoscopic subscore ≥2 within 10 days prior to the first dose of IP. The endoscopy can be performed during the Screening Phase (Day -10 to Day -5 to allow for central reading prior to first dose at Week 0).
• . Has evidence of UC extending proximal to the rectum (≥15 cm of involved colon).
• . Participants with extensive colitis or pancolitis of \>8 years duration or left-sided colitis \>12 years duration must have documented evidence that a surveillance colonoscopy was performed within 12 months of the initial Screening Visit (may be performed during screening).
• . Participants with a family history of colorectal cancer, personal history of increased colorectal cancer risk, age \>50 years, or other known risk factors must be up-to-date on colorectal cancer surveillance (may be performed during screening).
• . Has demonstrated an inadequate response to, loss of response to, or intolerance of at least 1 of the following agents: corticosteroids, immunomodulators, or tumor necrosis factor alpha (TNF-α) antagonists.

Exclusion criteria