Prediction Model for Response to Biologics and Small Molecular Agent for UC
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ClinicalTrials.gov Identifier: NCT05186623 |
Recruitment Status :
Recruiting
First Posted : January 11, 2022
Last Update Posted : February 15, 2022
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Condition or disease | Intervention/treatment |
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Ulcerative Colitis | Drug: Vedolizumab, Ustekinumab, or Tofacitinib |
Study Type : | Observational [Patient Registry] |
Estimated Enrollment : | 300 participants |
Observational Model: | Case-Only |
Time Perspective: | Prospective |
Target Follow-Up Duration: | 12 Months |
Official Title: | Establishment of Prediction Model of Biologics and Small Molecular Agent for Patients With Ulcerative Colitis Using Longitudinal Data |
Actual Study Start Date : | February 5, 2022 |
Estimated Primary Completion Date : | December 31, 2026 |
Estimated Study Completion Date : | December 31, 2026 |

Group/Cohort | Intervention/treatment |
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Patients with confirmed ulcerative colitis
Patients with confirmed ulcerative colitis, who are going to receive vedolizumab therapy (n=100: development cohort n=70 and validation cohort n=30), ustekinumab therapy (n=100: development cohort n=70 and validation cohort n=30), or tofacitinib therapy (n=100: development cohort n=70 and validation cohort n=30), will be enrolled.
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Drug: Vedolizumab, Ustekinumab, or Tofacitinib
Drug administration and prospective follow-up for evaluating response |
- Response to induction therapy [ Time Frame: Week 14 to Week 16 ]A decrease from baseline in the total Mayo score of at least 3 points and at least 30 percent, with an accompanying decrease in the subscore for rectal bleeding of at least 1 point or an absolute subscore for rectal bleeding of 0 or 1, together with Mayo endoscopic subscore of 0 to 1
- Remission to induction therapy [ Time Frame: Week 14 to Week 16 ]Full Mayo score 0 to 2 + Any component of full Mayo score of 1 or less + Mayo endoscopic subscore of 0 to 1
- Complete Mayo endoscopic subscore remission to induction therapy [ Time Frame: Week 14 to Week 16 ]Mayo endoscopic subscore of 0
- Ulcerative colitis endoscopic index of severity remission to induction therapy [ Time Frame: Week 14 to Week 16 ]Ulcerative colitis endoscopic index of 0 to 1
- Response to maintenance therapy [ Time Frame: Week 52 ]A decrease from baseline in the total Mayo score of at least 3 points and at least 30 percent, with an accompanying decrease in the subscore for rectal bleeding of at least 1 point or an absolute subscore for rectal bleeding of 0 or 1, together with Mayo endoscopic subscore of 0 to 1
- Remission to maintenance therapy [ Time Frame: Week 52 ]Full Mayo score 0 to 2 + Any component of full Mayo score of 1 or less + Mayo endoscopic subscore of 0 to 1
- Complete Mayo endoscopic subscore remission to maintenance therapy [ Time Frame: Week 52 ]Mayo endoscopic subscore of 0
- Ulcerative colitis endoscopic index of severity remission to maintenance therapy [ Time Frame: Week 52 ]Ulcerative colitis endoscopic index of 0 to 1
Biospecimen Retention: Samples With DNA

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Ages Eligible for Study: | 18 Years to 79 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Patients with an established diagnosis of ulcerative colitis and who are going to receive vedolizumab, ustekinumab, or tofacitinib will be enrolled in this study.
Patients who give a voluntary informed consent will be eligible.
Inclusion Criteria:
- Patients with an established diagnosis of ulcerative colitis based on clinical symptoms, endoscopic features and histopathologic features
- Patients who are going to receive vedolizumab, ustekinumab, or tofacitinib treatment
Exclusion Criteria:
- Not Korean ethnicity by family history
- Inflammatory Bowel Disease Unclassified
- Patients who already received colectomy due to ulcerative colitis

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05186623
Contact: Byong Duk Ye, MD, PhD | 82230103180 | bdye@amc.seoul.kr |
Korea, Republic of | |
Asan Medical Center | Recruiting |
Seoul, Korea, Republic of, 05505 | |
Contact: Byong Duk Ye, MD, PhD bdye@amc.seoul.kr |
Responsible Party: | Byong Duk Ye, Professor, Asan Medical Center |
ClinicalTrials.gov Identifier: | NCT05186623 |
Other Study ID Numbers: |
2021-1718 |
First Posted: | January 11, 2022 Key Record Dates |
Last Update Posted: | February 15, 2022 |
Last Verified: | February 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | Yes |
Response, Vedolizumab, Ustekinumab, Tofacitinib, Multiomics |
Colitis Colitis, Ulcerative Ulcer Gastroenteritis Gastrointestinal Diseases Digestive System Diseases Colonic Diseases Intestinal Diseases Pathologic Processes Inflammatory Bowel Diseases |
Ustekinumab Vedolizumab Tofacitinib Dermatologic Agents Janus Kinase Inhibitors Protein Kinase Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Gastrointestinal Agents |