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

  • End date
    Jul 18, 2028
  • participants needed
  • sponsor
Updated on 3 June 2022


The purpose of this study is to assess the effect of vedolizumab intravenous IV as induction and maintenance treatment in Chinese participants with moderately to severely active ulcerative colitis (UC).


The drug being tested in this study is called Vedolizumab. Vedolizumab will be administered as an intravenous (IV) infusion. This study will investigate the efficacy and safety of vedolizumab IV as induction and maintenance therapy in participants with moderately to severely active ulcerative colitis (UC).

The study will enroll approximately 302 moderately to severely active patients with ulcerative colitis.

The Induction Phase contained 2 cohorts of participants: Cohort 1 participants will be randomized 1:2 in a double-blinded manner to receive:

  • Vedolizumab IV 300 mg
  • Placebo IV

Cohort 2 participants will be treated with open-label vedolizumab. The second cohort was enrolled to ensure that the sample size of Induction Phase responders randomized into the Maintenance Study provided sufficient power for the Maintenance Study primary efficacy analysis.

Participants will receive induction therapy of Vedolizumab 300 mg or matching placebo, intravenous (IV) infusion at Weeks 0, 2, and 6. At Week 10, participants will be assessed for clinical response based on complete clinic Mayo score. Results of Week 10 clinical response will determine the treatment pathway in maintenance phase.

In the Maintenance Phase, participants who received vedolizumab in the induction phase and achieved clinical response at Week 10 will be randomized 1:1 in a double-blinded manner to receive vedolizumab IV 300 mg or placebo starting from Week 14 (i.e., Weeks 14, 22, 30, 38, 46, and 54).

This multi-center trial will be conducted in China. The overall time to participate in this study is 60 weeks. Participants will make multiple visits to the clinic, and will be contacted by telephone, 6 months after last dose of study drug for a long term follow-up safety survey.

Condition Moderately to Severely Active Ulcerative Colitis
Treatment Placebo, Vedolizumab IV
Clinical Study IdentifierNCT03221036
Last Modified on3 June 2022


Yes No Not Sure

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
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 study drug. 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

Has evidence of abdominal abscess or toxic megacolon at the initial Screening Visit
Has had extensive colonic resection, subtotal or total colectomy
Has an existing ileostomy, colostomy, or known fixed symptomatic stenosis of the intestine. A history of ileostomy or colostomy that has been reversed may be acceptable
Has had any previous exposure to approved or investigational anti-integrins (e.g., natalizumab, efalizumab, etrolizumab, or AMG-181) or mucosal addressin cell adhesion molecule-1 (MAdCAM-1) antagonist, or rituximab
Has used a topical (rectal) treatment with 5-acetyl salicylic acid (5-ASA) or corticosteroid enemas/suppositories or traditional Chinese medications for treatment of UC within 2 weeks of the administration of the first dose of study drug
Currently requires or is anticipated to require surgical intervention for UC during the study
Has a history or evidence of adenomatous colonic polyps that have not been removed, or has a history or evidence of colonic mucosal dysplasia including low or high-grade dysplasia, as well as indeterminate for dysplasia
Has a suspected or confirmed diagnosis of Crohn's enterocolitis, indeterminate colitis, ischemic colitis, radiation colitis, diverticular disease associated with colitis, or microscopic colitis
Has evidence of or has had treatment for C. difficile infection or other intestinal pathogen within 28 days prior to randomization
Has chronic hepatitis B virus (HBV) infection or chronic hepatitis C virus (HCV) infection
Has active or latent TB
Has any identified congenital or acquired immunodeficiency (e.g., common variable immunodeficiency, human immunodeficiency virus [HIV] infection, organ transplantation)
Has any history of malignancy, except for the following: (a) adequately treated non-metastatic basal cell skin cancer; (b) squamous cell skin cancer that has been adequately treated and that has not recurred for at least 1 year prior to randomization; and (c) history of cervical carcinoma in situ that has been adequately treated and that has not recurred for at least 3 years prior to randomization. Subjects with remote history of malignancy (eg, >10 years since completion of curative therapy without recurrence) will be considered based on the nature of the malignancy and the therapy received and must be discussed with the sponsor on a case-by-case basis prior to randomization
Has a history of any major neurological disorders, including stroke, multiple sclerosis, brain tumor, or neurodegenerative disease
Has a positive progressive multifocal leukoencephalopathy (PML) subjective symptom checklist at Screening or prior to the administration of the first dose of study drug at Week 0
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