- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05596422
A Study of Vedolizumab and Biologic Agents in Participants With Inflammatory Bowel Disease (IBD)
Understand the Outcomes of Inflammatory Bowel Disease (IBD) Patients Treated With Biologics in Taiwan - A Decentralized Vedolizumab and Biologic Agents Core Assessments in IBD Collaboration
Study Overview
Status
Detailed Description
This is a non-interventional, retrospective study in newly diagnosed IBD participants (UC or CD) treated with biologics.
The study will assess IBD relapse, effectiveness, and safety of biologic treatments in IBD participants. The study will enroll approximately 724 participants. The data will be collected from the electronic medical record (EMR) database of selected medical centers in Taiwan. IBD Participants who were evaluated and treated at the participating sites between 01 February 2007 to 31 March 2020 will be included. Participants will be assigned to the following two observational cohorts based on pathological diagnosis:
- Cohort 1: Participants With Biologics Discontinuation
- Cohort 2: Participants Treated With Biologics
This multi-center trial will be conducted in Taiwan. The overall duration of the study will be approximately 15 months.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Taichung, Taiwan, 40705
- Taichung Veterans General Hospital
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Taichung, Taiwan, 404327
- China Medical University Hospital
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Taipei, Taiwan, 100229
- National Taiwan University Hospital
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Taoyuan, Taiwan, 333
- Chang Gung Memorial Hospital-Linkou
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
Diagnosed during February 2008 to March 2020 (or per local institutional review board [IRB] permitted date).
- CD (International Classification of Diseases, Ninth Revision, Clinical Modification [ICD-9-CM]: 555.X or International Classification of Diseases, Tenth Revision, Clinical Modification [ICD-10-CM]: K50.XX, K50.XXX)
- UC (ICD-9-CM: 556.X or ICD-10-CM: K51.XX, K51.XXX).
- Had received any dose of biologics for IBD treatment, including vedolizumab adalimumab, infliximab or golimumab, from February 2008 to March 2020 (or per local IRB permitted date).
Exclusion Criteria:
1. Participants with any suspected diagnosis of CD or UC within one year before the initial date of confirmed IBD diagnosis will be excluded.
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Retrospective
Cohorts and Interventions
Group / Cohort |
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Cohort 1: Participants With Biologics Discontinuation
Participants with IBD (UC or CD) who had received biologic treatments for at least 6 months after the initial confirmed diagnosis of IBD, and with at least 3 months follow-up period after biologics discontinuation will be observed retrospectively.
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Cohort 2: Participants Treated With Biologics
Participants with IBD (UC or CD) who had any dose of biologic for IBD treatment after the initial confirmed diagnosis of IBD will be observed retrospectively.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Percentage of Participants Who Had IBD Relapse
Time Frame: Up to approximately 13 years
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IBD Relapse includes re-treatment with biologics, steroid use, IBD-related hospitalization record, IBD-related ER visits, IBD-related surgery, increase in disease index.
The occurrence of any of the above records will be regarded as an IBD relapse.
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Up to approximately 13 years
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Time to Relapse After Biologics Discontinuation
Time Frame: Up to approximately 13 years
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Time to relapse is defined as the time interval from end of treatment (EOT) to the first IBD relapse.
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Up to approximately 13 years
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Correlation Between the Clinical Variables and Relapse Post Biologics Discontinuation
Time Frame: Up to approximately 13 years
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The identifying predictors of relapse, survival distributions will be studied using the log-rank test for the univariate analysis and then using time dependent Cox regression models for the multivariate analysis.
The potential confounders of relapse including demographics, disease status, IBD-related treatment, symptom control treatment, lab and complication will be assessed.
Two predictive models will be built in the study, one is "on biologics treatment", and other is "off biologics treatment".
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Up to approximately 13 years
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Percentage of Participants Achieving Clinical Response
Time Frame: Up to approximately 13 years
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Clinical Response for CD is defined as Crohn's disease active index (CDAI) greater than or equal to (>=) 70 points reduction from the index date.
For UC, Mayo score >=3 points reduction and >=30 percent (%) decrease from the index date with an accompanying rectal bleeding subscore >=1 points reduction or with absolute rectal bleeding subscore less than or equal to (<=) 1 and as >=2 point reduction in partial Mayo score.
Index date: date when the first dose of the biologic was prescribed in each treatment cycle.
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Up to approximately 13 years
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Percentage of Participants Achieving Clinical Remission
Time Frame: Up to approximately 13 years
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Clinical Remission for CD is defined as CDAI <=150 point.CDAI assesses CD based on clinical signs such as number of liquid stools,intensity of abdominal pain,general wellbeing,presence of comorbid conditions,antidiarrheal use,physical examination and laboratory findings.Total score ranges from 0 to 600 points.Clinical Remission for UC is defined as Mayo score <=2 and no individual subscore >1 and partial Mayo score <=1.Mayo score measure disease activity of UC.Mayo score consists of 4 sub-scores: stool pattern,most severe rectal bleeding of the day,endoscopic findings,global assessment by physician,each graded from 0 to 3 with higher scores indicating more severe disease.Scores are summed to give a total score range of 0 to 12.Partial Mayo score consists of 3 sub-scores:stool pattern,most severe rectal bleeding of the day, global assessment by physician, each graded from 0 to 3 with higher scores indicating more severe disease.Scores are summed to give a total score range of 0 to 9.
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Up to approximately 13 years
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Percentage of Participants Achieving Steroid-free Remission
Time Frame: Up to approximately 13 years
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Steroid-free remission for CD is defined as CDAI <=150 point.
CDAI assesses CD based on clinical signs such as number of liquid stools, intensity of abdominal pain, general wellbeing, presence of comorbid conditions, antidiarrheal use, physical examination and laboratory findings.
Total score ranges from 0 to 600 points.
Steroid-free remission for UC is defined as absence of steroid treatment (within 1 week before and after the date of potential clinical remission achieved) among participants on steroids at baseline (index date).
Index date: date when the first dose of the biologic was prescribed in each treatment cycle.
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Up to approximately 13 years
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Percentage of Participants Achieving Mucosal Healing
Time Frame: Up to approximately 13 years
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Mucosal healing is defined as absence of any symptom finding of ulcer or spontaneous bleeding on endoscopic assessment or Crohn's Disease Endoscopic Index of Severity (CDEIS) less than (<) 4 for CD participants and as Mayo endoscopic subscore <=1 for UC participants.
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Up to approximately 13 years
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Correlation Between the Clinical Variables and Treatment Effectiveness
Time Frame: Up to approximately 13 years
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The relationship between clinical variables and treatment effectiveness will be assessed.
The impact of potential bias from the baseline/demographic variables, baseline matching will be performed using propensity score 1:1 matching by each treatment cycle and different types of biologic treatments before performing the comparative analysis for effectiveness outcome.
The matching condition will be determined according to the data collection.
IBD participants with clinical response, clinical remission, steroid-free remission, and mucosal healing will be analyzed.
The difference in effectiveness between IBD participants receiving different types of biologic treatment will be compared using Chi-square test.
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Up to approximately 13 years
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Percentage of Participants Experiencing Infection
Time Frame: Up to approximately 13 years
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Participants experiencing opportunistic infections, hepatic viral infections, gastrointestinal (GI) infections, respiratory infections, respiratory failure, or sepsis or septic shock among participants receiving vedolizumab versus those receiving anti-TNF-α will be assessed.
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Up to approximately 13 years
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Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Vedolizumab-4030
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- Study Protocol
- Statistical Analysis Plan (SAP)
- Informed Consent Form (ICF)
- Clinical Study Report (CSR)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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